to Volvo wire codes
Contents
1. C Service Manual Trucks Group 370 500 Circuit and Wiring Numbers VN VHD PV776 TSP145180 VOLVO Foreword The descriptions and service procedures contained in this manual are based on de signs and methods studies carried out up to August 00 The products are under continuous development Vehicles and components produced after the above date may therefore have different specifications and repair methods When this is believed to have a significant bearing on this manual supplementary ser vice bulletins will be issued to cover the changes The new edition of this manual wil update the changes In service procedures where the title incorporates an operation number this is a refer ence to an S R T Standard Repair Time Service procedures which do not include an operation number in the title are for gen eral information and no reference is made to an S R T The following levels of observations cautions and warnings are used in this Service Documentation Note Indicates a procedure practice or condition that must be followed in order to have the vehicle or component function in the manner intended Caution Indicates an unsafe practice where damage to the product could occur Warning Indicates an unsafe practice where personal injury or severe damage to the product could occur Danger indicates an unsafe practice where serious personal injury or death could oc cur Volvo Trucks Nort2. Coolant Level Low Signal to EECU Detroit Diesel Engine Coolant Level Low Signal to EECU Cummins Caterpillar Engine Coolant Level Normal Signal to EECU Coolant Level Module Feed Engine Brake On Off Switch Feed Clutch Switch Feed Clutch Switch to Throttle Switch Feed Throttle Switch to Mode Select Switch Feed Engine Brake Low Feed e Engine Brake 001 ISX e Engine Brake Switch Jumper Volvo D7 D12 e Engine Brake 010 ISX e Engine Brake Signal to EECU Volvo D7 D12 Engine Brake 100 ISX Engine Brake 01 ISM Engine Brake 10 ISM Engine Brake Medium Feed Forward Engine Cylinder Bank Engine Brake Feed 3 Position Brake Rear Engine Cylinder Bank Engine Brake Feed 3 Position Brake Engine Brake Mode Select to Transmis sion Lockup Switch Feed Lockup Switch to Throttle Switch Feed 632 633 634 635 635A 635B 636 636A 636B 636C 636D 636E 636F 636G 636H 636J 636K 637 638 639 639A 639B 639C 639D 639E 639F 639G Oil Temp Lamp Feed Oil Temp Switch Feed eo Solenoid Valve to Throttle Swi eed Engine Brake Mode Select Switch Feed Engine Brake Switch Lamp Feed Engine Brake Switch Lamp Feed ISM ISX Brake Feed Skinner Valve Exhaust Switch Feed Circuit Breaker Engine Brake Exhaust Switch Feed Circuit Breaker Air Pressure Switch and Skinner Valve Feed Engine Preheat Time Relay to Exhaust Brake Solenoid Engine Brake Switch PTO Feed
3. CAN HIGH VORAD Driver Display SAE J1939 Noninverted Data Link CAN HIGH SAE J1939 Inverting Data Link CAN LOW SAE J1939 Inverting Data Linke CAN LOW VORAD ECU SAE J1939 Inverting Data Link CAN LOW VORAD Front Antenna SAE J1939 In verting Data Link CAN LOW VORAD Driver Display SAE J1939 In verting Data Link CAN LOW SAE J1939 Shield SAE J1939 Shield SAE J1939 Shield VORAD ECU SAE J1939 Shield e 17 Group 37 Circuit and Wiring Numbers 410 419 Back up Lamps 410 ov Back Up Lamp Feed Back Up Alarm 411 Back Up Lamp Switch Feed 420 459 Indicator Lamps 420 Parking Brake Indicator Lamp Feed 420A Parking Brake Indicator to VECU 421 Parking Brake Pressure Switch Feed 422 Differential Lockout Indicator Lamp Feed 422A Differential Lockout indicator Lamp Jumper Feed 422B Differential Lockout indicator Lamp Feed external to instrument cluster 423 Differential Lockout indicator Lamp Switch Feed 424 Fifth Wheel indicator Lamp Feed 424A Fifth Wheel indicator Lamp Jumper Feed 425 Fifth Wheel indicator Lamp Switch Feed Differential Lockout interwheel Indicator x Lamp Feed 427 Differential Lockout Interwheel Switch Feed 427A Differential Lockout Interwheel Forward Rear Axle Switch Feed 427B Differential Lockout Interwheel Rear Rear Axle Switch Feed 427C Differential Lockout Interwheel Dash Switch Feed 428 Low Air Pressure Indicator Lamp Fe
4. Power Vent 340 Power Vent Switch Feed me Power Vent OPEN Circuit 342 Power Vent Armature Feed 343 Power Vent CLOSED Circuit 350 359 Power Window 350 Power Window Switch Feed 350L Power Window Switch Feed LH Side 350R Power Window Switch Feed RH Side 351 Power Window DOWN Circuit 352 Power Window Armature Feed 353 Power Window UP Circuit 354 Power Window Switch Feed to Power Window Switch 355 Power Window Switch Feed to Power Window Switch we 16 360 369 Starting Aids 360 Engine Pre heat Cab Switch Feed or Relay Coil Feed 361 Engine Pre heat Indicator Lamp Feed 361A Engine Pre heat Time Relay Indicator Lamp Feed 362 Engine Pre heat Glow Plug Flame Start Feed 363 Engine Glow Plug Magnetic Switch Feed 364 Engine Pre heat Solenoid Coil Feed 365 Engine Pre heat Thermal Sensor Feed 366 Engine Pre heat Solenoid Switch Feed 367 Engine Pre heat Element Feed 367A Engine Pre heat Element Failure Indica tion to Time Relay 367B Engine Pre heat Element Failure Indica tion to Time Relay 368 Engine Pre heat Time Relay Ignition Feed 368A Engine Pre heat Time Relay Coil Feed 369 Engine Pre heat Cil Pressure Switch Feed 369A Engine Pre heat Controller Feed 370 379 Cigar Lighter 370 Cigar Lighter Power Supply Feed 370A Power Supply Feed 370B Power Supply Feed 370C Bunk Power Supply Feed 375A Sink Feed 375B Sink Switch Feed 375C Sink Pump Feed Group 37 Circuit and Wiring Nu
5. Return Transmission Range Inhibitor Valve Feed Transmission Range Inhibitor Valve Return Eaton Lightning Protected Battery Feed Transmission Neutral Indicator Lamp Feed Transmission Oil Temp Sending Unit Feed Transmission Oil Pressure Sending Unit Feed Transmission High Oil Temp Switch Feed Indicator Lamp Switch Feed Transmission Low Range Indicator Switch Feed Transmission Low Range Indicator Signal to VECU Eaton Lightning Service Lamp Eaton Lightning Service Lamp Forward Indicator Lamp Feed Reverse Indicator Lamp Feed Auxiliary Transmission Oil Temp Sending Unit Feed High Oil Temp Indicator Lamp Feed Neutral Switch Shift Lever Control Relay Feed 322A 322B 323 324 325 326 327 328 329 Eaton Lightning Shift Knob Ground Eaton Lightning Shift Knob 4 Relay to Park Pressure Switch Park Pressure Switch to Alarm Do Not Shift Warning Lamp Return Ignition Feed to Vehicle Interface Mode VIM Automatic Transmission Feed PTO Switch to ECU Engine Brake Select Switch to Trans mission ECU 330 339 Power Seat 330 330L 330R 331 332 333 Power Seat Relay Feed Power Seat Feed LH Side Power Seat Feed RH Side Power Seat Control Switch Feed Power Seat UP Circuit Power Seat DOWN Circuit Power Seat FORWARD Circuit Power Seat REAR Circuit Heated Seat Feed Heated Seat Feed Left Heated Seat Feed Right Group 37 Circuit and Wiring Numbers Specifications 340 349
6. controlled diesel engines will not follow the numbering system explained in this manual For identification of cir cuit numbers colors on vendor supplied components see the component manufacturer s technical erature For information on terms and abbreviations see Definitions page 6 The table seetable page 4 lists prefixes and the corre spor vendor Circuit Suffixes Design of branch circuits that originate from a base cir cuit may contain a hyphenated suffix For example if circuit 0 requires a splice to feed two branch circuits then those branch circuits may be labelled 0 A and 0 B The text that appears after the suffix separator does not apply to the function of the circuit and is therefore not listed Circuits functionally related to a given base circuit are of ten created for new designs These circuits appear without a hyphenated suffix For example circuit the main alternator ground is related to circuit 0 the main vehicle ground Please note that a functional relation ship does not imply electrical continuity A B C D E L M P Q T V Allison Caterpillar Cummins Detroit Diesel VDO Delphi Delco Electronics Meritor Delphi Packard Electronics Qualcomm Eaton Bosch EBS Eaton VORAD Group 37 Circuit and Wiring Numbers General Circuit Groups Bodybuilder Circuits page 7 0 Ground page 7 1 19 Primary Power page 8 20 29 Polarity Reversing Circuits page 9
7. 1 tad 1A 1AD 1B 1C 1D 1P 1PA 1PB 1PC 1PD 10 11 12 13 14 14A Cab Unswitched Battery Feed Cab Unswitched Battery Feed to Igni tion Relay Icon Thermostat Power Cab Unswitched Battery Feed to Turn Signal Maxi Fuse Cab Unswitched Battery Feed to Maxi Fuse Cab Unswitched Battery Feed to Maxi Fuse 12 Volt Battery Protection 12 Volt Battery Protection 12 Volt Battery Protection 12 Volt Battery Protection 12 Volt Battery Protection Ammeter to Circuit Breakers Switches Voltage Regulator Etc Generator Armature to Voltage Regulator Generator Field F1 Voltage Regulator ignition Terminal Supply Voltage Regulator Armature Terminal to Rectifier Alternator to Rectifier Load Battery to Alternator Self Load Limiting Alternator to Voltage Regulator B Terminal Sensing Generator Field F2 Relay Rectifier to Voltage Regulator Ignition Alternator to Ammeter Alternator to Start Battery Alternator No Charge Lamp Feed from Alternator Regulator Alternator No Charge Lamp Feed from Auxiliary Relay 15 16 17 17A 17AA 17B 17BB 17C 17D 17E 17F 17FB 17NV 18 18A 18B 18C 18D 18E 18G 18V 18X 18Y 19 Alternator Ignition No Charge Resistor Feed to Regulator Alternator Ignition No Charge Lamp Feed Unswitched Battery Feed to EECU EECU Unswitched Battery Feed Fused 17A Feed EECU Unswitched Battery Feed Fused 17B
8. 30 49 Headlamps and Fog Lamps page 9 50 69 Marker and Clearance Lamps page 10 70 89 Stop Lamps page 10 90 109 Tail and Parking Lamps page 10 110 129 Turn Signal Lamps page 11 130 139 Secondary Lamps page 11 140 149 Instrument Lamps page 11 150 179 Heater Defroster and Air Conditioner page 12 180 219 Instruments page 12 220 239 Cab Hoist page 14 240 259 Ignition page 14 260 279 Horns page 14 280 299 Starter page 14 300 309 Compressor Clutch page 14 310 329 Transmission page 15 830 339 Power Seat page 15 340 349 Power Vent page 16 350 359 Power Window page 16 360 369 Starting Aids page 16 370 379 Cigar Lighter page 16 380 389 Windshield Wiper page 17 390 399 Electric Fuel Pump page 17 400 409 410 419 420 459 460 489 490 499 500 549 550 599 600 639 680 699 700 709 710 719 720 729 730 799 800 850 900 910 950 959 page 28 970 979 990 999 Diagnostics and Control page 17 Back up Lamps page 18 Indicator Lamps 18 Rear Axle page 18 Radio page 19 Miscellaneous Lamps page 19 Engine Electronics page 20 Engine Controls page 22 Air Conditioning Control Wiring page 24 Heated Mirrors page 24 Door Locks page 24 Safety and Warning Systems page 24 Anti lock ABS Con
9. 41 DRL Module Ignition Feed RH 42 DRL Module Park Brake Signal 30L Headlamp Feed LH 42A Parking Brake Switch 30R Headlamp Feed RH 43 DRL Indicator Lamp 31 Dimmer Switch Feed 43A DRL Control Relay Feed 31L Dimmer Switch Feed Split System LH DRL Module Low Beam Feed 31R Dimmer Switch Feed Split System RH s 45 DRL High Beam Disable 32 Headlamp Low Beam Circuit 32L Headlamp Low Beam LH 32LA Headlamp Flash Option LH 32R Headlamp Low Beam RH 32RA Headlamp Flash Option RH 32RB Headlamp Flash Option RH 33 Headlamp High Beam Circuit 33A e High Beam Relay Control Feed e Flash to Pass Control Supply 33B High Beam Indicator Lamp Ground 33F Flash to Pass Contact Feed 33L Headlamp High Beam LH 33R Headlamp High Beam RH 34 Fog Lamp Switch Supply 34A Aux Lamp Switch Feed 35 Fog Lamp Feed C 351 Fog Lamp Feed LH 35R Fog Lamp Feed RH Group 37 Circuit and Wiring Numbers Specifications 50 69 Marker and Clearance Lars pu 50A 51 52 52A 52X 59A 59B 10 e Marker and Tail Lamp Switch Feed e Master Lighting Switch Supply for Tractor Lighting VN Only e Trailer Marker and Tail Lamp Switch Feed e Master Lighting Switch Supply for Trailer Lighting VN Only Trailer Marker and Tail Lamp Feed Overhead Cab Marker Lamp Feed from Interrupter Switch Marker Interrupter Switch Supply from Master Lighting Switch Central Tire inflation ECU from Marker Lamps ICC
10. Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only 3 13 Group 37 Circuit and Wiring Numbers 220 239 Cab Hoist 220 222 223 224 225 226 Cab Hoist Panel Switch Feed Cab Hoist Control Switch Feed Cab Hoist Solenoid Switch Coil Feed Cab Hoist Solenoid Switch Feed Cab Hoist Solenoid Switch Feed Cab Hoist Motor Armature Feed Cab Hoist Safety Switch Feed 240 259 Ignition 240 241 242 243 243A EN 245A 246 247 248 248A Ignition Coil Feed Ignition to Distributor Ignition Coil Resistor or Diesel Fuel Valve Feed ignition Switch Feed B Lock Switch Position Feed 30 Ignition Safety Switch Feed e ignition Fuel Heater Control Feed e VOLVO Engine Engine Pre heat Circuit Protection Feed e Detroit Diesel Engine Diagnostic Request Shutdown Engine Over ride Feed Circuit Breaker to Time Relay Signal Diesel Fuel Valve Relay Control Fuel Switch to Magnetic Switch Feed Ignition Sender Supply Ignition Supply to Oil Pressure Sender 260 279 Horns 260 261 262 14 Electric Horn Relay Feed Battery Electric Horn Feed Electric Horn Button Electric Horn Relay NC Electric Horn Relay Common Air Horn Solenoid Feed Air Horn Button 280 299 Starter PEREERE NE UJ Starter Solenoid Coil Feed Series Parallel Switch Terminal 5 to Solenoid on Starter Series Parallel Switch Terminal 4
11. Feed EECU Unswitched Battery Feed EECU Unswitched Battery Feed Antilock Brake System Unswitched Battery Feed Electronic Engine Unswitched Battery Feed to Transmission non Volvo Transmission generated Battery Feed Fused 17F Feed Inverter Unswitched Battery Power Feed Electronic Engine Switched Battery Feed Switched Battery Feed to EECU Switched Battery Feed to EECU Electronic Engine Switched Battery Feed to Circuit Protection Electronic Engine Switched Battery Feed to Throttle Pedal Electronic Engine Switched Battery Feed to EECU Electronic Engine Switched Battery Feed to Gearbox Electronic Engine Switched Battery Feed to VECU Electronic Engine Switched Battery Feed to EMS Supply Electronic Engine Switched Battery Feed to EMS B Supply Alternator R Terminal Signal Group 37 Circuit and Wiring Numbers Specifications 20 29 Polarity Reversing Circuits 36 Driving Lamp Switch Feed 20 Low Ai itch Neutral Wi TA en i wen out Wire 37 Driving Lamp Feed 21 A S Neutral Wi Am Sete foutre Wis 37L Driving Lamp Feed LH 21A Alt tor No Charge Relay to Alarm BORED e E 37R Driving Lamp Feed RH 21B Alarm Buzzer to Diode Feed 38 Driving Fog Relay Control Feed 39 e Driving Fog Relay Feed e LED Supply for Aux Lamp Switch 30 49 Headlamps and Fog Lamps 39A Driving Fog Switch Indicator 30 Headlamp Switch Feed Split System LH 40 DRL Module Battery Feed 30A Headlamp Switch Feed Split System
12. General Purpose Output 4 A163 General Purpose Output 6 A127 H Solenoid Low A164 Retarder Modulation Request A128 B Solenoid Low A165 Oil Level Sensor Input A129 E Solenoid Low A166 General Purpose Output A167 General Purpose Output 6 A130 C G Solenoid Power A169 General Purpose Input A131 D Solenoid Low A170 Primary Shift Selector 1 mise General Ouiput 2 3 A171 Primary Shift Selector 2 A135 Analog Ground A172 Primary Shift Selector 4 A135A Analog Ground A173 Primary Shift Selector 8 A136 Battery Power A174 Primary Shift Selector P 27 Group 37 Circuit and Wiring Numbers A175 A17 178 180 186 187 188 195 25 A325NC 901 902 903 c 907 908 909A 909B D909 910 910A 910B D910 D910A 28 900 910 Detroit Diesel Feeds Shift Select Mode Input General Purpose Output 6 General Purpose Input 10 General Purpose input 11 Shift Selector Display Ground Ground Ground Transmission ID Retarder Power Relay Common Retarder Power Relay Normally Closed ProDriver Alarm Output Pneumatic Control Unit Feed Pneumatic Control Unit Deflate Pneumatic Control Unit Drive Pneumatic Control Unit Steer Solenoid Feed Pneumatic Control Unit Power Supply Pneumatic Control Unit Trailer Solenoid Feed ECU Sensor Transducer Signal ECU Transducer Voltage Reference Cummins ICON Alarm Cummins ICON Alarm Return Optim
13. Indicator Feed LH Hazard Switch Feed to Fuse Front Turn Signal Lamp Trailer Recep tacle and Indicator Feed RH Hazard Switch Feed to Fuse VORAD Right Turn Input Turn Signal Indicator Feed LH Stop and Rear Turn Lamp Feed RH Stop and Rear Turn Lamp Feed LH Tail Lamp Feed Turn Signal Switch Control RH Tail Lamp Feed Turn Signal Switch Control Turn Signal Fuse Feed Turn Signal Repeater Lamp Feed Hazard Warning Switch Flasher Feed Tractor Stop Lamp Relay Feed LED Feed Hazard Warning Switch Hazard Switch Feed to Fuse 130 139 Secondary Lamps 130 131 131B 132 133 134 135 135A 135B 136 137 138 139 139A 139B Courtesy amp Dome Lamp Switcb Feed Courtesy amp Dome Lamp rod Bunk Lighting Master Feed Sleeper Compartment Reading Lamp Feed Trailer Dome Lamp Switch Feed Trailer Dome Lamp Feed Luggage Dome Lamp Feed Luggage Lamp Feed RH Side Luggage Lamp Feed LH Side Utility Spot Lamp Switch Feed Utility Spot Lamp Feed Bunk Reading Lamp Switch Feed Back of Cab Lamp Switch Feed Back of Cab Lamp Switch Indicator Back of Cab Lamp Feed 140 149 Instrument Lamps 140 140A 140P 141 141A 141R Instrument Lamp Switch pae o stat Feed from Headlamp Swite Aux Lamp Enable Relay Coil Feed Instrument Lamp Switch Feed to Pro Driver Instrument Lamp Feed Instrument Lamp Feed to Option Connector Instrument Lamp Feed to Radio 11 Group 37 Circuit and Wiring Number
14. NEU 12 Volt Neutral Start Feed 0 Ground is ABS Antilock Brake System Ground 0 Engine or Main Ground to Cab 05 Alternator VOA VORAD Front Antenna Ground 0B Blower Heater OVA VOB VORAD Driver Display Ground oc Console Accessories OVB VORAD Power Ground oW voc VORAD Side Sensor Side Sensor Dis play Ground ox oD Differential Lockout OXA Exhaust Brake Power Take Off Fuel 0G Windshield Wiper Washer 0GA Snow Plow Lamp Right Hand er 0GB Snow Plow Lamp Left Hand OYA oGS Snow Plow Lamp ore Headlamp 02 OHS Headlamp C e HVAC Lamp e Lift Axle Lighter Cigar Marker and Turn Signal Marker and Turn Signal Left Hand Marker and Turn Signal Right Hand Inverter Power Ground Panel Instruments Priming Pump Supply Return Cummins Park Brake Ground Pump Pressure Ground PTO Ground Relay Solenoid Speedometer L e Trailer e Central Tire Inflation Starting Aid Overcrank Protection OCP Ground Jumper Ether Start Sensor Ground Warning System Air Oil Water Wiper Kysor Electronic Ground Cluster Electronic Ground SRS ECU Electronic Ground Cab Electronic Ground ECU Electronic Ground BAT Automatic Transmission Ground Automatic Transmission ECU Ground Automatic Transmission EUM 1 Diagnostic Ground Group 37 Circuit and Wiring Numbers Specifications 1 19 Primary Power
15. Protection OCP Battery Power 991 Fuel Cooler Fan Feed 992 Fuel Cooler Temperature Signal 999 Auxiliary Switch Illumination Feed 999A Engine Auxiliary Pass through Circuit NN 999B Engine Auxiliary Pass through Circuit 999C Engine Auxiliary Pass through Circuit 999D Engine Auxiliary Pass through Circuit 999E Chassis Auxiliary Pass through Circuit 999F Chassis Auxiliary Pass through Circuit 999G Chassis Auxiliary Pass through Circuit Ne 29 Feedback One of our objectives is that workshop personnel should have access to correct and appropriate service manuals where it concerns fault tracing repairs and maintenance of Volvo trucks In order to maintain the high standards of our literature your opinions and experience when using this manual would be greatly appreciated If you have any comments or suggestions make a copy of this page write down your comments and send them to us either via telefax or mailing directly to the address listed below To From Volvo Trucks North America Dept 516 Service Publications 0 7825 National Service Road PO Bot 36115 Greensboro NC 27402 6115 USA 1 11 n 1 1 1n ignedeieemiesesesponktiscsiase canini isa ca dede ge da ds ipa Fax 336 393 3170 1 Comments proposals
16. Switch Feed High Side A C Compressor Clutch Control Low Refrigerant Pressure Switch Re turn Low Side A C Compressor Clutch Control Low Refrigerant Pressure Switch Re turn High Side Compressor Clutch Control Auto A C On Off Switch Feed ATC Temp Sensor Return ATC Temp Sensor Return ATC Temp Sensor Feed 700 709 Heated Mirrors 700 Low Heat Black Element Feed 701 High Heat Red Element Feed 702 Heated Mirror Indicator Lamp Feed 702A Heated Mirror Feed 703 Heated Mirror Switch Feed 704 Mirror Switch Power Feed 704L Mirror Control LH Side 704R Mirror Control RH Side 705 Mirror Motor Common Feed 705L Mirror Motor Common Feed LH Side 705R Mirror Motor Common Feed RH Side 706 Mirror Motor Up or Down Feed 706L Mirror Motor Up or Down Feed LH Side 706R Mirror Motor Up or Down Feed RH Side 707 Mirror Motor Left or Right Feed 707L Mirror Motor Left or Right Feed LH Side 707R Motor Left or Right Feed RH ide 710 719 Door Locks 710 Battery Feed to Door Lock Module 711 Door Lock Module to Left Hand Switch 712 Door Lock Module to Right Hand Switch 713 Door Lock Module to Motor Unlock 7131 Door Lock Module to Motor Unlock LH Side 713R Door Lock Module to Motor Unlock RH Side 714 Door Lock Module to Motor Lock 714L Door Lock Module to Motor Lock LH Side 714R Door Lock Module to Motor Lock RH Side 720 729 Safe
17. to Engine Preheat Time Relay Exhaust Brake Throttle Switch Feed Exhaust Brake Select Switch Feed Exhaust Brake Clutch Switch BD Governor Switch Feed ee Engine Brake Control Module Power Feed Exhaust Back Pressure Governor Sole noid Valve Feed Transmission Lockup Switch Feed Clutch Switch to Solenoid Valve PTO Solenoid Valve Feed PTO Switch 12V Supply PTO Switch Indicator Lamp Feed PTO Switch 12V Supply PTO Switch 12V to Solenoid PTO Switch 12V Supply PTO Switch Indicator Lamp Feed PTO Switch 12V Supply v 23 Group 37 Circuit and Wiring Numbers Specifications 680 699 Air Conditioning Control Wi i 681 682 682A 682B 682C 682G 691 692 693 694 695 695A A 697 698 24 Low Refrigerant Pressure Switch Re turn Low Side High Refrigerant Pressure Switch Re turn High Side High Refrigerant Pressure Switch Feed Fan Control Fan Clutch Solenoid Retum Signal Out from Data Concentrator Feed from APADS Module to Data Concentrator A C High Pressure Signal to VECU High Refrigerant Pressure Switch Re turn Fan Control OrvOff Fan Solenoid Override Switch Feed On Off Fan Solenoid Override Switch Return Bunk Temp Control Switch Supply Bunk Temp Control Switch Signal Bunk Temp Control Switch Return Not Used Defrost Switch Feed Defrost Switch Return Low Refrigerant Pressure Switch Feed Low Side A C Compressor Clutch Control High Refrigerant Pressure
18. to Remote PTO ECU Common Ground to Throttle Posi tion Sensor ECU Common Ground to Coolant Level Sender ECU Common Ground to Parking Brake Switch ECU Common Ground to Power Control ECU Common Ground to Remote Throttle ECU Common Ground to Fan Control Override ECU Common Ground to AC Status ECU Common Return 1 ISM ISX ECU Common Return 2 ISM ISX Cab Return ISM ISX Idle Diagnostic Switch Increment Input to EECU Idle Diagnostic Switch Increment Input to EECU ISM ISX Diagnostic Enable to EECU ISM ISX Diagnostic Switch On Indicator 561 562 562A 563 563A D563 564 564A C564 D564 565 565A 0565 567 567 569 570 571 572 573 573A 573B 573C 574 Idle Diagnostic Switch Decrement Input to EECU Cruise Contro PTO Switch X Y EECU Cruise Control On Input to VECU Cruise Control PTO Switch Set ON Input to EECU Cruise Control PTO Set Eaton Top 2 Lockout Solenoid Cruise Control PTO Switch Set OFF Input to EECU Cruise Control PTO Set Icon Indicator Lamp Opt Idle Indicator Lamp Cruise Control PTO Switch Resume ON Input to EECU Cruise Control PTO Resume Eaton Top 2 Shift Solenoid Cruise Control PTO Switch Resume OFF Input to EECU Service Brake Switch Input e Service Brake Switch Input to EECU Service Brake Switch Input to EECU Service Brake Switch ON to Clutch Switch NC Terminal Service Brake Switch OFF to Clutch Switch Common Terminal Not Use
19. 240 259 Ignition nnnm 14 260 279 HOMS i e nennen tenemento 14 280 299 Starter isset 14 300 309 Compressor Clutch 14 310 329 Transmission eene 15 330 339 Power Seat eren 15 340 349 Power Vent eeenernnnennnnenennnmneneemrnetrneeemm 16 350 359 Power WindOW 16 360 369 Starting Aids eene 16 370 379 Cigar Lighter 16 380 389 Windshield Wiper 17 390 399 Electric Fuel Pump 17 400 409 Diagnostics and Control 17 410 419 Back up Lamps nsere 18 420 459 Indicator Lamps 18 460 489 Rear Axle iiis 18 490 499 nn 19 500 549 Miscellaneous Lamps 19 550 599 Engine Electronics 20 600 639 Engine Controls 22 680 699 Air Conditioning Control 24 700 709 Heated Mirrors 24 710 719 Door LOCKS 24 720 729 Safety and Warning Systems eene 24 730 799 Anti lock ABS Control nnne 25 800 850 Automatic Transmission 26 900 910 Detroit Diesel Feeds eene 28 950 959 Protected Branch Connector Circuit Feeds 28 Feedback Group 37 Circuit and Wiring Numbers General General Circuit Number Index Circuit and Wiring Numbers Wire and Cable Number Marking All wire and cable smaller than 0 AWG American Wire Gauge is imprinted with circuit and wire numbers The circuit numbers are imprinted repeatedly every two to three inches 50 to 75 mm horizon
20. Trailer Marker and Clearance Lamp Feed from Interrupter Switch Marker Interrupter Switch Supply from Master Lighting Switch Cab Marker Lamp Switch Feed Cab Marker Lamp Circuit Breaker Feed Side Marker Lamp Feed Side Marker Lamp Feed LH Side Marker Lamp Feed RH Marker Lamp Relay Feed Marker Lamp Relay Control Feed Beacon Lamp Feed Beacon Lamp Feed Beacon Lamp Feed 70 89 Stop Lamps 70 71 TIA 74 75 75A 75B 75C 76 Stop Lamp Switch Feed Tractor Stop Lamp and Trailer Receptacle Feed Stop Lamp Switch Output Trailer Stop Lamp Feed Spring Brake Stop Lamp Switch Feed Trailer Emergency Stop Stop Lamp Relay Coil Feed ECU Stop Lamp Coil Feed Trailer Stop Lamp Relay Coil Feed Tractor Stop Lamp Relay Coil Feed Tractor Stop Lamp Relay Feed Trailer Stop Lamp Relay Feed 90 109 Tail and Parking Lamps 90 90A Tractor Tail Lamp Feed Tractor Tail Lamps ON Output e Radio Illumination Supply from Master Lighting Switch VN Only HVAC Lamp Control Switch Illumination Parking Lamp Switch Feed Parking Lamp Feed Group 37 Circuit and Wiring Numbers Specifications 110 129 Turn Signal Lamps 110 110B 111 111A 112 112A 113 113A V113 114 115 116 117 118 119 120 121 122 122A 122B Turn Signal Flasher Feed Turn Signal Flasher Feed Turn Signal Switch Feed from fuse Hazard Switch to Fuse Feed Front Turn Signal Lamp Trailer Recep tacle and
21. Volt Battery Fuse Feed ABS 12 Volt Ignition Feed ABS ECU 12 Volt Ignition Feed ABS ECU 12 Volt Ignition Feed ABS ECU 12 Volt Ignition Feed ABS Warning Lamp Enable ABS Warning Lamp Tractor ABS Warning Lamp Trailer Traction Control Solenoid Feed Traction Control Solenoid Ground LH Front Lining Wear Sensor Ground LH Front Lining Wear Sensor Signal LH Front Lining Wear Sensor Supply 5 Volts RH Front Lining Wear Sensor Wand RH Front Lining Wear Sensor Signal RH Front Lining Wear Sensor Supply 5 Volts Front Axle Pressure Control Valve Ground Front Axle Pressure Control Valve Sup ply 12 Volts Front Axle Pressure Control Valve CAN HIGH Front Axle Pressure Control Valve CAN LOW Service Brake Valve Sensor Common Ground Service Brake Valve Sensor Supply 5 Volts Service Brake Valve Sensor Signal 1 25 Amen Mami till ui T AIRE c Ron aaa RE Group 37 Circuit and Wiring Numbers Specifications 114 T116 T117 T118 T119 T120 T121 T122 T123 T124 T12 T126 T127 T128 T129 T130 T131 T132 T133 T134 T 26 Service Brake Valve Sensor Signal 2 Rear Axle Pressure Control Valve Ground Rear Axle Pressure Control Valve Sup ply 12 Volts Rear Axle Pressure Control Valve CAN HIGH Rear Axle Pressure Control Valve CAN LOW Trailer Pressure Control Valve Ground Trailer Pressure Control Valve Supply 12 Volts Trailer Pre
22. d Clutch Switch Input to EECU Engine Brake Switch ON to EECU Remote PTO Switch ON to EECU Remote PTO 1 Enable Remote PTO 2 Enable Remote PTO 3 Enable Diagnostic Request Engine Shutdown Override to EECU 21 Group 37 Circuit and Wiring Numbers Specifications 575 576 STAT 578 578A 579 580 581 581B 581C 589 590 591 592 592A 592B 592V 593 594 i Stop Engine Indicator Lamp Check Engine Indicator Lamp Engine Protection System Indicator Lamp Cruise Control Indicator Lamp Cruise Contro Relay Ground ISX Engine Brake Enable from EECU Cruise Control PTO Switch Resume ON to Diagnostic Request Switch Parking Brake Switch Input to EECU Parking Brake Switch Input to Time Re lay Parking Brake Switch Feed Auxiliary Shutdown Input to EECU Power Control from EECU EECU Sensor Retum EECU Sensor Return from Throttle Po sition Sensor EECU Sensor Retum from Remote PTO Cruise Control Switch to Cruise Control Brake Switch Common Terminal Cruise Control Service Brake Switch Feed Cruise Control Service Brake Switch ON Feed Remote PTO Sensor Input to EECU Low Coolant Level input to EECU Remote PTO Sensor Input to Relay Data Display Battery Feed Engine Switched Battery Feed EECU A Supply Volvo EECU B Supply Volvo VORAD Fused Ignition Diagnostic Indicator Lamp On Off Fan Enable from EECU 594A On Off Manual Fan Enable Switch to ECU 595 Engine Shutdown Signal 596 Ba
23. ed 429 Front Axle Lockout Indicator Lamp Feed 430 PTO indicator Lamp Feed 431 Air Suspension Pressure Indicator Lamp Feed lt 18 460 489 Rear Axle 472B 472C 473 473A 473B 473C Selector Switch Safety Switch Feed Selector Switch Feed Forward Rear Axle Solenoid Valve Feed Rear Rear Axle Solenoid Valve Feed Speedometer Adapter Feed Rear Axle Solenoid Valve Feed Differential Lock Safety Switch Feed Differential Lock Solenoid Valve Feed Forward Rear Axle Oil Temp Sending Unit Feed Rear Rear Axle Oil Temp Sending Unit Feed Two 2 Speed Axle Lift Axle 12V Feed Lift Axle Switch Lift Axle Switch 1 Lift Axle Switch 2 Lift Axle Switch 43 Lift Axle Solenoid Lift Axle Solenoid 1 Lift Axle Solenoid 2 Lift Axle Solenoid 3 Group 37 Circuit and Wiring Numbers Specifications 490 499 Radio LARGE c 4490 491 LIGHT RteARga 493 ORANGE 497L elou 497L Smal 4 97 PURPLE 497R 4497 e Radio CB Radio Feed e Radio Accessory Feed gure CB Radio Power Stud Feed Radio Battery Feed 4ce Headlamp Marker Lamp On Signal Door Speaker Left Positive Door Speaker Left Negative Door Speaker Right Positive Door Speaker Right Negative 498LR 225 Rear Speaker Left Positive 24472 498LR 222 Rear Speaker Left Negative 097 498RR 4 27 Rear Speaker Right Positive 347 DARK GREE r AQOL Ey Smnii RO 499LF Arve 499 wH
24. h America Inc Greensboro NC USA Order number PV776 TSP145180 00 Volvo Trucks North America Inc Greensboro NC USA All rights reserved No part of this publication may be reproduced stored in retrieval system or transmitted in any forms by any means electronic me chanical photocopying recording or otherwise without the prior written permission of Volvo Trucks North America Inc Contents General 3 Circuit Number Index menm 3 Circuit and Wiring Numbers 3 Wire and Cable Number Marking 3 Wire 3 Electronic Sub system Circuit Numbers 4 Circuit Suffixes rennen nennen nennen 4 Circuit Groups ient ennemis 5 Definitions o on 6 Specifications seem 7 Circuit eene rene 7 Bodybuilder Circuits 7 GrroUnd eerte tena 7 1 19 Primary POWer senem 8 20 29 Polarity Reversing Circuits 9 30 49 Headlamps and Fog Lamps 9 50 69 Marker and Clearance Lamps enne 10 70 89 Stop Lamps temm 10 90 109 and Parking Lamps 10 110 129 Turn Signal Lamps 11 130 139 Secondary Lamps mmt 11 140 149 Instrument Lamps erne ennnen mmm 11 150 179 Heater Defroster and Air Conditioner 12 180 219 Instruments isset 12 220 239 Cab Hoist sese 14
25. iTE 499RF L L 1 1 2 S2 L2 M 0 A 498RR 7 Speaker Right Negative Front Speaker Left Positive Front Speaker Left Negative Front Speaker Right Positive Front Speaker Right Negative Lower Left Rear Positive Lower Left Rear Negative Lower Right Rear Positive Lower Right Rear Negative Subwoofer Coil 1 Positive Subwoofer Coil 1 Negative Subwoofer Coil 2 Positive Subwoofer Coil 2 Negative Radio Suptly GREY 7441 Fadl S rec F round 500 549 Miscellaneous Lamps 500 500L 500R 501 501L 501R 510 Courtesy Door Lamp Switch Door Switch Feed LH Side Door Switch Feed RH Side Courtesy Door Lamp Feed Door Lamp Feed LH Side Door Lamp Feed RH Side Roof Sign Light Feed Courtesy Door Lamp to Relay Courtesy Door Lamp Relay Coil Return Door Switch Relay Coil Return LH Side Door Switch Relay Coil Return RH Side Cab Overhead Lamp to Relay Cab Overhead Lamp VN770 Bunk Overhead Lamp to Switch Fluorescent Lamp Switch Work Center Fluorescent Lamp eed Overhead Fluorescent Lamp Switch Feed Overhead Fluorescent Lamp Switch Feed Overhead Fluorescent Lamp Feed Muwofa tions O 7s PAGE ARE Jom installation of After MARKET Radio ee amp 19 A a sis aos cot ros aal mte ete Group 37 Circuit and Wiring Numbers Specifications 550 599 Engine Elect
26. ive or Pyrometer Feed Electric Tachometer Sender to Head Positive or Pyrometer Return Tachograph Feed Tachograph Lamp Feed Ignition Switch Accessory Relay Coil Feed Accessory Relay Feed to Vehicle Loads Optimized Idle No Start Relay Coil Feed ignition Switch Ignition Relay Coil Feed Detroit Diesel Optimized Idie System Feed Ignition Relay 1 Feed to Vehicle Loads Ignition Feed to Fuses 1 7 Ignition Feed to Fuses 8 14 VORAD Front Antenna Power Ignition Relay 2 Feed to Vehicle Loads Ignition Feed to Fuses 46 51 VORAD Driver Display Power Data Display Ignition Feed VORAD Side Sensor Side Sensor Dis play Power Ignition Feed Splice to ABS Brakes DR Feed to Splice Group 37 Circuit and Wiring Numbers Specifications 200 201 202 205 207 208 209 210 211 212 213 214 DR Feed to Gearbox Ignition Power Relay 2 Coil Feed Ignition Feed to Diagnostic Tool DR Feed to VECU DR Feed to Wiper Relay Ignition Feed to Central Tire inflation Ignition Feed to Camera Prep Buzzer Feed VORAD Side Sensor Signal VORAD Side Sensor Display Signal Low Air System Warning Air Filter Restriction Switch Feed ECU Pressure Switch Feed Central Tire Inflation Tachograph Head Feed Battery Hourmeter Feed e Battery Generator Gauge Feed Load e Instrument Panel Feed VN only Tachograph Remote Control Switch Feed Engine Oil Temp Sending Unit to Gauge Electric Speedomete
27. ized idle Alarm Output Cummins ICON ECU Common Cummins ICON Start Signal Cummins ICON Safety Loop Feed Optimized Idle Start Relay Output Optimized Idle Start Supply 950 959 Protected Branch Con nector Circuit Feeds 950 951 952 953 954 955 956 957 958 D958 Communication System Battery Feed Communication System Ignition Feed Air Drier Feed Relay to Heater Fuel Heater Feed Relay to Heater Fuel Heater Relay Power Feed Accessory Circuit Breaker Feed to Branch Connector Ignition Circuit Breaker Feed to Branch Connector Battery Circuit Breaker Feed to Branch Connector Cummins ICON Thermostat Data Optimized Idie Thermostat Input 970 979 Inverter 95A 95B 96A 96B 97A 97B 971 972 973 974 975 Ground IN 120V Ground OUT 120V Neutral IN Neutral OUT 120V AC IN 120V AC OUT Inverter Remote Control Feed Inverter Remote Control Return LED Common Cathode AC IN LED Inverter on LED Group 37 Circuit and Wiring Numbers Specifications 990 999 Auxiliary Circuits AUX Ignition Relay Feed from Maxi Fuse to Trailer AUXA Auxiliary Switch 12V Feed zd 1 1 Expansion Block Feed 1 2 Expansion Block Feed EXPB1 3 Expansion Block Feed EXPB1 4 Expansion Block Feed 1 5 Expansion Block Feed EXPB1 6 Expansion Block Feed EXPB2 1 Expansion Block Feed EXPB2 2 Expansion Block Feed EXPB2 3 Expansion Block Feed EXPB2 4 Expansion Block Feed 990 Overcrank
28. mbers Specifications 400 409 Diagnostics and Control 380 389 Windshield Wiper 380 381 382 382A 383 384 385 385A 385B 386 387 387A 387B 389 389A 389B Electric Windshield Wiper Switch Feed LH Electric Windshield Wiper Switch Feed RH Low Speed Electric Wiper Motor Low Speed Wiper Interval Relay to Bulkhead High Speed Electric Wiper Motor 12 Volt Supply Switch to Motor Park Control Wiper Motor Park Control to VECU Park Control to Switch Supply from Circuit Breaker to Switch Switch Feed to Washer Motor Washer Fluid Level Input to Instrument Cluster Washer Motor 12V Supply Intermittent Wiper Intermittent Wiper Feed to Wiper Con trol Module Intermittent Wiper Relay Coil Supply Intermittent Wiper Relay Coil Return 390 399 Electric Fuel Pump 390 391 392 Electric Fuel Pump Switch Feed Electric Fuel Pump Starting Feed Electric Fuel Pump Feed 400 401 402 403 403A 404 405 V406A V406B 407 407A V407A V407B SAE J1708 1587 Data Link SAE J1708 1587 Data Link Unswitched Battery Fused to Datalink Engine Programming Enable EOL Enable Instrument Cluster SAE J1922 Noninverted Data Link SAE J1922 inverted Data Link SAE J1939 Noninverted Data Link CAN HIGH SAE J1939 Noninverted Data Link CAN HIGH VORAD ECU SAE J1939 Noninverted Data Link 4 CAN HIGH VORAD Front Antenna SAE J1939 Noninverted Data Link
29. r Feed Low Oil Pressure Alarm Feed Electric Water Temp Switch or Alarmstat Normally Open Feed Transformer Rectifier System Sec ondary Battery Charge Indicator Feed Storage Transformer Rectifier System Voltmeter Positive Feed Transformer Rectifier System Voltmeter Negative Feed Diode Common to Buzzer Clock Feed Alarm Radio Power Feed to Instrument Panels Speedometer Head to Sender Ground 215 215A 216 217 218 219 219A 219B 219C 219D 219E 219F IPJ1 IPJ2 IPJ3 IPJ5 IPJ6 IPJ7 IPJ8 Speedometer Head to Sender Positive Speedometer Signal trol Module Speed Limiter Tachometer Head to Sender Ground Tachometer Head to Sender Ignition Feed Clock Cluster Display Common Output Cluster Display Escape Input Cluster Display Down Input Cluster Display Up Input Cluster Display Select Input Cluster Display Set Input Cluster Display Mode Input Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only Cluster Jumper 1996 Cluster VN Only
30. ronics 550 N 551 551A 552 553 554 555 555A 556 557 557A 557B 5570 557 557F 557G 557H 557J 557K 557L 20 Vehicle Speed Input to EECU Vehicle Speed Input to EECU Vehicle Speed Return from EECU Vehicle Speed Return from EECU Throttle Position Sensor Supply Throttle Position Sensor Input to EECU Throttle Position Sensor Retum Idle Validation Input to EECU Idle Validation VECU to EECU Throttle Validation input to EECU ECU Common 5 Volt Output ECU Common 5 Volt Output to Brake Switch ECU Common 5 Volt Output to Clutch Switch ECU Common 5 Volt Output to Idle Diagnostic Switch ECU Common 5 Volt Output to Cruise Control PTO On Off Switch ECU Common 5 Volt Output to Cruise Contro PTO Set Resume Switch ECU Common 5 Volt Output to Engine Brake On Off input ECU Common 5 Volt Output to Diag nostic Test Input ECU Common 5 Volt Output to Idle Validation Switch ECU Common 5 Voit Output to Re mote PTO ECU Common 5 Volt Output to Throt tle Position Sensor ECU Common 5 Volt Output to Coolant Level Sender 557R 557S 558A 558B 558D 558E 558F 558H 558K 558N 558P 558R ECU Common 5 Volt Output to Park ing Brake Switch ECU Common 5 Volt Output to Power Control ECU Common 5 Volt to Remote Throt tle ECU Common 5 Volt to Fan Control Override ECU Common 5 Volt to AC Status ECU Common 12 Volt Output ECU Common 12 Volt Outpu
31. s Specifications 150 179 Heater Defroster and Air Coritioner 1504 Heater Switch Feed 12V Feed to AC Heater Blower 151 Defroster Switch Feed 152 Left Hand Heater Feed 153 Right Hand Heater Feed 154 Left Hand Defroster Feed 155 Blower Motor Speed Low 156 Blower Motor Speed High 157 Air Conditioner Circuit Breaker Feed 158 Air Conditioner Feed Relay Battery 159 Blower Motor Speed Medium 160 Defroster Fan Speed 161 Blower Motor Speed Maximum 162 Circuit Breaker Air Conditioner Relay Control Coil Feed 163 Bunk Blower Motor Feed 12V Feed to Parking Heater Motor 165 Parking Heater Fuel Pump Supply 166 Parking Heater Fuel Pump Return 167 Parking Heater Thermostat Output 168 Parking Heater Temp Sensor Output 169 Parking Heater LED Output 170 Parking Heater Thermostat Ground 171 Parking Heater LED Input 172 Parking Heater On Signal 173 Bunk Unit Water Valve Return 174 Bunk Unit Water Valve Feed 175 Bunk Unit Blower Return 12 180 219 Instruments 180 181 182 183 184 185 186 187 188 189 190 191 193 194 195 195A 195D 196 D196 Main Instrument Feed Water Temp Sender Feed Engine Oil Pressure Sender Feed Fuel Tank Sender Feed LH Fuel Tank Sender Feed RH Fuel Gauge Switch Feed Fuel Tank Selector Switch Feed Fuel Tank Selector Valve Feed Oil and Water Alarm Indicator Feed Oil and Water Alarm Switch Feed Electric Tachometer Sender to Head Negat
32. ssure Control Valve CAN HIGH Trailer Pressure Control Valve CAN LOW LH Rear Brake Lining Wear Sensor Common Ground LH Rear Mid Brake Lining Wear Sen sor Signal LH Rear Rear Brake Lining Wear Sen sor Signal LH Rear Brake Lining Wear Sensor Supply 5 Volts RH Rear Brake Lining Wear Sensor Common Ground RH Rear Mid Brake Lining Wear Sen sor Signal RH Rear Rear Brake Lining Wear Sen sor Signal RH Rear Brake Lining Wear Sensor Supply 5 Volts EBS Load Sensor Ground EBS Load Sensor Signal EBS Load Sensor Supply 5 Volts EBS ECU Low Air Pressure Sensor Feed EBS ECU Low Air Pressure Sensor Signal 800 850 Automatic Transmission 801 810 811 812 813 814 815 816 817 818 819 820 821 823 851 852 Automatic Electronic Transmission Ignition Feed to Vehicle Interface Mod ule Automatic Transmission Feed PTO Switch to Transmission ECU PTO Relay Common Feed PTO Relay Normally Open Feed ABS Relay Normally Open Feed ABS Relay Common Feed PTO Relay Normally Closed Feed Oil Pressure Switch Feed Oil Pressure Switch to Transmission ECU Check Transmission Relay Transmission Filter Indicator Lamp Transmission Filter Switch Transmission Control RPM Sensor Signal Transmission Control RPM Sensor Return Autoshift Transmission EPL 4 Autoshift Transmission EPL Autoshift Transmission EPL Shield Transmission Ground Autoshift Only Transmission Ground A
33. t to Brake Switch ECU Common 12 Volt Output to Clutch Switch ECU Common 12 Volt Output to Idle Diagnostic Switch ECU Common 12 Volt Output to Cruise Control PTO On Off Switch ECU Common 12 Volt Output to Cruise Control PTO Set Resume Switch ECU Common 12 Volt Output to En gine Brake On Off Input ECU Common 12 Volt Output to Diag nostic Test Input ECU Common 12 Volt Output to Idle Validation Switch ECU Common 12 Volt Output to Re mote PTO ECU Common 12 Volt Output to Throt tle Position Sensor ECU Common 12 Volt Output to Coolant Level Sensor ECU Common 12 Volt Output to Park ing Brake Switch ECU Common 12 Volt Output to Power Control ECU Common 12 Voit to Remote Throttle ECU Common 12 Volt to Fan Control Override ECU Common 12 Volt Output to AC Status Group 37 Circuit and Wiring Numbers Specifications 559 559A 559B 559C 559D 559E 559F 559G 559H 559J 559K 559L 559N 559P 559R 559S 559X 559Y 5592 560 560 560 5608 ECU Common Ground ECU Common Ground to Brake Switch ECU Common Ground to Clutch Switch ECU Common Ground to Idle Diagnostic Switch ECU Common Ground to Cruise Control PTO On Off Switch ECU Common Ground to Cruise Control PTO Set Resume Switch ECU Common Ground to Engine Brake On Off Input ECU Common Ground to Diagnostic Test Input ECU Common Ground to idle Validation Switch ECU Common Ground
34. tally along the entire length of the wire or cable In cases when imprinting of the circuit number on the wire or cable is not practical e g multiple conductor cable circuit number markers will be applied one to two inches 25 to 50 mm from the terminal or end of cable Wire Color Note All wire used in the vehicle has a cross linked polyethylene insulation XLPE It complies to SAE stan dard J1128 BLACK Fused power and signal WHITE Ground RED Unfused battery MULTI Wire harnesses may be used as inter COLOR faces to some components definition of multi colored wires varies by compo nent e a a Group 37 Circuit and Wiring Numbers Electronic Sub system Circuit Numbers th ction of vendor circuit identification numbers wh id conflict with the existing Volvo circuit num bers For example circuit number 209 can be either Volvo Transformer Rectifier System Voltmeter Positive Feed or Cummins Pace Tachometer To avoid this con flict and still retain the vendor circuit numbers a prefix has been added to the vendor circuit numbers This prefix will identify the circuit as a vendor electronic subsystem For example circuit 209 would be noted as 209 Volvo circuit They use of electronic subsystems has caused C209 Cummins circuit Note The prefix added to vendor circulis only applies to Volvo supplied wiring harnesses Components that come with their own wiring hamesses such as electronically
35. to Solenoid on Starter Starter Push Button Switch Feed 12 Volt Starter Control Solenoid Feed 12 Volt Optimized Idle Relay Feed 12 Volt Neutral Start Feed 12 Volt Starter Solenoid Feed 12 Volt Starter Feed for Solenoid Relay Magnetic Switch Control 300 309 Compressor Clutch 300 300A 300B 300C 300D 301 301A Air Clutch Solenoid Valve Feed Manual Fan Switch Feed APADS Module Feed VECU Relay Coil Feed VECU Manual Fan Control Air Conditioning Compressor Clutch Feed Air Conditioning Compressor Clutch Re turn Cold Control Switch Feed Air Conditioning Switch Feed Air Conditioning Feed Jumper Air Conditioning Control Feed Jumper Dryer Receiver Low Freon Switch Feed Low Freon Switch to Override Valve Normally Closed Freon Switch Feed Freon Switch and On Off Fan Override Valve Feed On Off Fan Switch Feed Air Conditioning Relay Feed Cold Control Switch to Air Conditioning Relay Coil Feed Group 37 Circuit and Wiring Numbers 310 329 Transmission 310 311 311A 311B 311C 311D 312 312A 312B 312C 312D 313 314 315 316 317 317A 317B 317C 317D 318 319 320 321 322 Transmission Neutral Switch Feed Transmission Range Control Switch Feed Eaton Lightning Splitter Switch Signal Eaton Lightning Splitter Switch Signal Meritor G Low Solenoid Feed Meritor G High Solenoid Feed Transmission Area Inhibitor Valve Feed Transmission Area Inhibitor Valve
36. trol page 25 Automatic Transmission page 26 Detroit Diesel Feeds page 28 Protected Branch Connector Circuit Feeds Inverter page 28 Auxiliary Circuits page 29 Group 37 Circuit and Wiring Numbers General Definitions APA Air Conditioning Protection And Diag nostic System or A C Diagnostic System ATC Automatic Traction Control also called TCS or traction control System ATC Automatic Temp Control CAN Controller Area Network associated with J1939 data link DLO Differential Lock Out DRL Daytime Running Lights ECU Electronic Control Unit EECU Engine Electronic Control Unit EMS Engine Management System EOL End Of Line EPL Eaton Proprietary Link HVAC Heating Ventilation Air Conditioning ISWISX Cummins Engine Type J1587 J1708 Data Link ng y High speed Data Link NC Normally Closed NO Normally Open PTO Power Take Off SAE Society of Automotive Engineers SRS Supplemental Reetraint System Airbag VECU Vehicle Electronic Contro Unit Group 37 Circuit and Wiring Numbers Specifications Specifications Circuit Numbers Bodybuilder Circuits 0J A312CM PTO Common A312NC PTO Normally Closed oL A312NO PTO Normally Open 1 Auto Neutral Common 1 Auto Neutral Normally Closed OMB A314NO Auto Neutral Normally Open ONV BAT 12 Volt Battery 12 Volt Battery IGN Ignition Feed
37. ttery Event Recorder 597 ECU Common 12 Output 598A Icon Ambient Air Temp Sensor Supply 598B Icon Ambient Air Temp Sensor Return 600 639 Engine Controls 600 Engine Governor Solenoid Valve Feed 601 Engine Governor Pressure Switch Feed 602 Engine Choke Solenoid Feed 603 Engine Choke Push Switch Feed 604 Engine Control Relay Feed 604A Speed Limiter Engine Shutdown Signal 605 Engine Control Relay Switch Feed 605A IGNITION Signal Converter Feed 605B IGNITION Speed Limiter Feed from Sig nal Converter 606 Engine Control Relay Pressure Switch Feed 607 Engine Shutdown System Feed 608 Alarmstat to Pressurestat Feed Jumper 608A Alarmstat High Water Temp Warning Signal 609 Warning Lamp and Buzzer Feed 610 Engine Radiator Low Coolant Probe Feed 610A Low Coolant Indicator and Alarm Feed 611 Alarmstat Normally Closed Terminal Feed 611A Alarmstat High Water Temp Time Relay Signal Ground 612 Alarm High Temp Warning Feed Group 37 Circuit and Wiring Numbers Specifications j 613 614 615 616 617 618 619 620 621 624 625 626 627 628 628A 628B 628C 628D 628E 629 629A 629B 630 631 Alarm Low Oil Switch Feed High Coolant Temp Switch Warning High Coolant Temp Switch Shutdown Low Oil Pressure Switch Shutdown Normally Open Ground Low Oil Pressure Switch Warning Nor mally Closed Ground Return Low Oil Indicator Lamp Ground Return e Cummins Caterpillar Engine
38. ty and Warning Sys tems 720 SRS Warning Lamp Feed 721 SRS Airbag Feed 722 Smoke Detector Ignition Feed 723 Smoke Detector Disable Signal Group 37 Circuit and Wiring Numbers Specifications 730 799 Anti lock ABS Control Left 730 731 732 733 734 735 736 737 738 739 740 741 Right 750 751 752 753 754 755 756 757 758 759 760 761 770 771 772 773 Left Front Sensor Signal Left Front Sensor Return Left Front Modulator Exhaust Left Front Modulator Hold Left Front Modulator Common Left Mid Sensor Signal Left Mid Sensor Return Left Rear Sensor Signal Left Rear Sensor Return Left Rear Modulator Exhaust Left Rear Modulator Hold Left Rear Modulator Common Right Front Sensor Signal Right Front Sensor Retum Right Front Modulator Exhaust Right Front Modulator Hold Right Front Modulator Common Right Mid Sensor Signal Right Mid Sensor Return Right Rear Sensor Signal Right Rear Sensor Return Right Rear Modulator Exhaust Right Rear Modulator Hoid Right Rear Modulator Common Engine Brake Interrupt Relay Com mon Engine Brake Interrupt Relay NC Engine Brake Interrupt Relay from ABS ECU Traction Control Enable 774 774A 774B 779A 780 781 T101 T102 T103 T104 T105 T106 T107 T108 T109 T110 T111 T112 T113 Traction Control Lamp Traction Control Lamp WABG A Traction Control Lamp Bendix gt Engine Brake Disable ABS ECU 12
39. utoshift Only Clock Autoshift Display Data Autoshift Display Display Ground Autoshift Display Transmission in Neutral Signal from Au toshift Transmission ECU PTO RPM PTO Switch ON PTO Pump Solenoid PTO Overspeed Indicator PTO Pressure Switch Group 37 Circuit and Wiring Numbers Specifications A101 N Solenoid Low A136A Battery Power E A102 A D J Solenoid Power A136S Battery Power A103 C Solenoid Low A137 General Purpose Output 7 A104 G Solenoid Low A138 Retarder Temp Sensor input A139 Output Speed HIGH A105 General Purpose Output 5 A140 Turbine Speed LOW A107 F Solenoid Power A140A Turbine Speed LOW F SOBNO LOW A141 Engine Speed HIGH A112 General Purpose Output 3 A142 Serial Common Interface HIGH A113 Reverse Warning A143 Battery Ground A114 General Purpose Output 1 A146 Ignition Sense A115 Check Transmission A147 Sump Temp Input A116A H N Solenoid Power H N HI A148 Output Speed LOW A117 General Purpose Input 8 ATIS Turbine Speed HIGH A118 General Purpose Input 3 ATASA Turns speeds FH A150 Engine Speed LOW A119 General Purpose Input 4 151 Serial Common Interface LOW A120 A Solenoid Low A153 General Purpose Input 2 121 B E Solanok Power A155 General Purpose Input 1 A123 Neutral Start A157 Vehicle Speed A124 Sensor Power A161 Digital Ground GPI A124A Sensor Power A162 C3PS Input A125
Download Pdf Manuals
Related Search