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1. i LLL E NL INVIO 77 THO ONNONS VONIS a os 8 dh TE i LIE EMEN NENNEN DON ee D __ __ 1 HL ds IF 8 ee ee G13lHS I TTI HI III TIE II III EE Il LEE z H Ni zit AfidinO SINIOd E 3500 399 _ nau N98 We sea HITS gas JON No and TaN i ____ _______ ___ _______________ a oN x E 34M N0109 _ __ 53 4 Blk FIE 212 vi X9ONM 515 3 wo 034 1303 J349 TF i eB 579 mE 0 001 855 N d S31VS AINO SSINYYH LAL c5 e 8 0 SS3NSVH 188p 133 me VI96NLLZ 1313 eh 4 t lal NN NOLLINOI Pa TO 541 h 1 SMO103 N 1 3 1303 Pent ngu AL 0 mes gig a 77 TG SYOLOSIN TUN 1029 62 ce ic INO SINIOd 02 I I20n3 Act Lao ASSIS Ach 50737 35007 e SLAGLNO VLIGHLZZ 7012. Holley 7 ELECTRONIC FUEL INJECTION EFI HARNESS KIT 558 503 558 504 amp 558 508 Kit Contents amp Main Harness Power Harness Injector Harness HEI Adapter Tach Adapter 558 104 Kits 558 504 amp 508 558 308 All Kits 558 200 Kits 558 503 amp 504 558 304 Kit 558 503 271R1012A All Kits 558 100 Kit 558 503 558 209 Kit 558 508 Important Wiring Do s and Don ts An EFI system depends heavily on being supplied a clean and constant voltage source The grounds of an electrical system are just as important as the power side HP and Dominator ECU s both contain multiple processing devices that require clean power and ground sources The wiring harnesses for them must be installed in such a manner that they are separated from dirty power and ground sources DO S Install the main power and ground directly to the battery e Keep sensor wiring away from high voltage or noisy dirty components and wiring especially secondary ignition wiring ignition boxes and associated wiring Use shielded grounded cable that is supplied for wiring crankshaft and camshaft signals e Properly solder and heat shrink any wire connections e ltiscritical that the engine has a proper ground connection to the battery and chassis On GM LSx engines always install the black ignition ground wire in the harness to the engine block or cylinder head DON TS DONOT EVER run high voltage or noisy dirt
3. B goes to cylinder 2 etc V8 harnesses offered by Holley are labeled for GM Ford and Chrysler engines B19 Injector A Pin A B26 Injector B Pin B B25 Injector C Pin C B13 Injector D Pin D B7 Injector E Pin E B4 Injector F Pin F B5 Injector G Pin G B6 Injector H Pin H 12V Power Pins J K Ignition Adapter Ignition The Ignition Adapter connector contains all the wires needed to connect to adapter harnesses offered by Holley for various ignition systems and crank and cam sensor The only ignition related wiring that is NOT contained on this connector is individual coil driver outputs for DIS applications The adapter is pinned as follows A30 Crank signal Input Both digital and inductive proper type must be selected in the software Pin A A22 Cam signal Input Ignition Bypass Output Both digital and inductive proper type must be selected in the software NOTE If using a computer controlled GM HEI Distributor this pin will serve as the ignition bypass output Pin B A14 IPU Ground Pin C Chassis Ground Pin D A10 Switched 12v Pin E A27 NOT USED Pin F A14 IPU Ground Pin G A28 EST Spout Output Pin H A14 Shield Ground Pin J 14 Shield Ground Pin K NOTE The crank and cam input wiring in both the main harness and adapter harnesses use a shielded grounded cable The shield is grounded at the ECU end You do not ground both en
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5. 899 N d S31VS 553 YOON SS3N8SVH NIYIN 133 TIOH 0964 16 001 899 N d S31VS SS3NMVH SS3NHVH EN 1897 143 A3T1OH gt ALO NOlLdl4J2S 30 0 31 35001 NYO h 81 LOL OJ3HOIMS Ach HION3 AIO NOlLdl9S3Q 0 31 35001 3snd AV T3H ECU Pinout The following is a pinout of the J1A and J1B connectors NOTE ECU pinout is identical for the HP and Dominator J1A Connector Function 0 Points Trigger Output WB1 COMPR2 A8 A9 A10 A11 A13 A1 A2 A3 4 5 6 N A14 A15 A16 A17 A18 A19 A20 Oil Pressure Input A21 A22 SSS 23 Map Sensor Input ud gt Lo WB1 VS A29 Knock 1 Input A30 A31 CANH A24 A25 A26 A27 A28 A32 CAN Hi A33 WB1 IP A34 WB HTR J1B Connector Function 02 Bt __ B2 __ B3 Oupus4 GP B4 __ Injector F Output B5 __ Injector G Output B6 jlinjctorHOuput IACBLo B9 IACBHi 2 EST 6 Output Cylinder 6 EST 5 Output Cylinder 5 EST 7 Output Cylinder 7 Injector C Output B26 Injector B Output Bi B22 EST 3 Output Cylinder 3 B23 B24 B235 B1 B2 B3 B4 B5 B8 B20 B21 B22 B23 B24 B25 B26 Holley Technical Support 1 866 464 6553 Holley Performance
6. but the calibration must be set up as a custom sensor in the software If these are not connected to a pressure transducer the Fuel and Oil Pressure will read LOW Err the data monitor This will not cause any issues A18 Sensor Ground Pin A A26 Sensor 5V Reference Out Pin B A20 Fuel Pressure Signal Pin C CANbus CAN All harnesses have a CANbus communications connector This is used to communicate with CANbus devices such as the Avenger Handheld tuning module or the 5 7 Touch Screen LCD If these devices or any other CANbus device is not being used there is no need to do anything with this connector A24 CAN Lo Pin B A32 CAN Hi Pin A Primary Outputs Idle Air Control IAC The terminated IAC connector is for a 4 wire stepper type IAC A 2 wire PWM Pulse Width Modulated IAC can be used see section 9 2 The following shows the outputs for a stepper IAC B1 IAC A Lo B2 IAC A Hi B8 IAC B Lo B9 IAC B Hi Fuel Injector Outputs Injectors All terminated harnesses have a fuel injector connector Various fuel injector harnesses plug into this connector It is essential these harnesses are used so that injector firing sequence is maintained Note that for engines with different firing orders you do NOT change these pins The engine s firing order is input in the software itself Pin s A H are routed to the cylinder number designation for the engine i e A goes to cylinder 1
7. Products Inc 199R10837 Date 6 24 15
8. comes with a 3 pin metripak connector If a knock sensor is added it should be connected into this connector A21 Knock Sensor 2 Input Pin A A29 Knock Sensor 1 Input Pin B A18 Sensor Ground Pin C Wide Band Oxygen Sensor WB02 Holley EFI systems can work with either a Bosch PN 554 101 or NTK PN 554 100 wide band oxygen sensor These sensors must be purchased from Holley as they are calibrated specifically for use with Holley EFI systems A34 WB1 Pin A9 WB1 HTR Pin B A16 WB1 COMPRt Pin C A7 WB1 CCOMPR2 Pin D A17 WB1 VS IP Pin E A33 WB1 IP Pin A25 WB1 VS Pin A8 WB1 Shield Pin Fuel Pressure Fuel A fuel pressure input is a standard feature on Holley A connector is installed that is plug and play with Holley 100 PSI pressure transducer PN 554 102 A different 0 5V transducer can be used but the calibration must be set up as a custom sensor in the software If these are not connected to a pressure transducer the Fuel and Oil Pressure will read LOW Err the data monitor This will not cause any issues A18 Sensor Ground Pin A A26 Sensor 5V Reference Out Pin B A31 Fuel Pressure Signal Pin C Oil Pressure Oil An oil pressure input is a standard feature on Holley EFI A connector is installed that is plug and play with Holley 100 PSI pressure transducer PN 554 102 A different 0 5V transducer can be used
9. d into the same connector on every type of main harness the connector pinout is given as well If the connector may vary by application such as a TPS or IAC the connector pinout is not given To see the connector pinout for a specific application locate the wiring diagram themselves contained in the WIRING APPENDIX located in the software Primary Sensors Throttle Position Sensor TPS Holley EFI systems work with any 0 5V throttle position sensors A5 TPS Signal A18 Sensor Ground A26 Sensor 5V Reference Out Manifold Air Pressure Sensor MAP Holley EFI systems work with 1 2 3 4 or 5 Bar MAP sensors Make sure to select the proper sensor used in the software A18 Sensor Ground A23 MAP Sensor Signal A26 Sensor 5v Reference Out Coolant Temperature Sensor CTS Holley EFI systems work with any 2 wire thermistor style coolant temperature sensors Make sure to select the proper sensor in the software A18 Sensor Ground A19 Coolant Temp In Manifold Air Temperature Sensor MAT Holley EFI systems work with any 2 wire thermistor style manifold air temperature sensors Make sure to select the proper sensor in the software A11 Manifold Air Temp In A18 Sensor Ground Knock Sensor Knock Holley EFI systems work with either a one wire or two wire knock sensor Application specific harnesses will have the correct knock sensor connections installed on the harness A Universal harness
10. d of shielded grounded cable It is always recommended to use shield grounded cable to protect the integrity of the crank or cam sensor input signals This is especially important when using a magnetic pickup A hall effect sensor is much less susceptible to noise interference and is always the recommended sensor type to use Holley offers the following ignition adapter harnesses 271R1012A Tach Out This adapter connects into the Tach Out on a CD ignition box when the ECU is NOT controlling ignition timing This adapter is included with all HP and Avenger TBI and Multiport Fuel Injection systems 558 303 Magnetic Pickup Harness Intended for magnetic pickups Either crank trigger or distributor mounted Does not contain cam sync wiring 558 304 HEI Connects to a small cap GM computer controlled distributor 558 305 Ford TFI Connects to a Ford TFI Distributor 558 306 Universal Unterminated Ignition Harness Contains ignition adapter connector and all wiring to connect to any crank and cam sensors pins A K Also contains shielded grounded cable for crank and cam sensor inputs The user must supply terminals and connectors to plug into their chosen sensors NOTE See section 8 0 of the Holley EFI User Manual for diagrams on wiring most ignition systems Loose Wires The following loose wires in the main wiring harness should be connected as follows on all systems 12V Switched Color Red Whi
11. te Should be connected to a clean 12 volt power source Power source should only be active when the ignition is on Make sure source has power when engine is cranking as well Not all sources apply power when the ignition switch is in cranking position 12V Battery Color Red Should be connected directly to the battery There is a fuse holder attached that should contain a 20A rated fuse This powers the fuel pump and fuel injectors 12V Fuel Pump Color Green Used to directly power a fuel pump 12 volt Fully terminated harnesses utilize a relay to supply this power 14 gauge wire is used Due to this it is not recommended for pumps that draw over 10 12 Amps to use this wire For high current pumps use this wire to trigger a separate relay and use larger gauge wire to feed the pump 10 gauge is recommended Points Output Color White Used to trigger a CD ignition box See the ignition wiring section for detailed wiring Ignition DIS Chassis Ground Color Black Connect to a ground point that has excellent connectivity with both the engine and the battery Coil Color Yellow Used for an RPM input signal when not controlling timing and NOT running a Capacitive Discharge MSD ignition system See the ignition wiring section 8 0 for detailed wiring WARNING Connecting this wire to the coil of a CD ignition will damage the ECU ri 74 1 24 88 89 7
12. y wires in parallel bundle loom together with any EFI sensor wiring If wires need to cross try to do so at an angle Donotlet Crank and Cam signal wiring near spark plugs and coil wires e Do not run non shielded grounded wire for crankshaft and camshaft signals especially magnetic pickups Do not run the USB Communications cable near or with any noisy wires e Do not exceed the current limits provided for the various outputs If current levels exceed these use the appropriate relay or solenoid drivers Do use improper crimping tools e Don t use things like t taps etc Use solder and heat shrink tis never recommended to splice share signal wires such as TPS etc between different electronic control units e Don t wire items that require clean ground or power to the same points Main Harness The following quick guide overviews all connections on the Main Harness The Main Harness supports all the primary engine sensors fuel and ignition for 8 cylinder engines the 1 wideband oxygen sensor and the first four programmable input and output channels There are two connectors for this harness designated as pin designations below that start with an and J1B pin designations below that start with a B The following descriptions indicate the name of the item and the name as labeled on the harness is shown in parenthesis The pinout for the ECU is then shown If the wires are terminate
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