7 - MSD
Contents
1. MSD Digital DIS 2 Dual Channel Ignition PN 6211 MSD Digital DIS 4 Multi Channel Ignition PN 6215 The MSD Digital DIS 2 Dual Channel Ignition can be used on 4 cylinder engines equipped with two dual output coils The MSD Digital DIS 4 Multi Channel Ignition can be used on 4 6 or 8 cylinder engines equipped with up to four dual output coils The MSD Digital DIS Ignition will accept trigger inputs from electronic DIS type ignition systems Parts Included Parts not included but may be needed 1 MSD Digital DIS 2 or DIS 4 Ignition Tach Fuel Adapter s 12 Connectors Butt Splice PN 8912 2 Program Switch Covers 1 Cable Assembly 1 Bypass Plug NOTE It is recommended that you have the Service Manual and wiring diagram for your vehicle before beginning the installation of the MSD Digital DIS Ignition WARNING Before installing the MSD Digital DIS Ignition disconnect the battery cables When disconnecting the battery cables always remove the Negative cable first and install it last NOTE 1 Solid Core spark plug wires cannot be used with an MSD DIS Ignition 2 Vehicles originally equipped with a CD ignition cannot use an MSD DIS Ignition IMPORTANT Read these instructions before attempting this installation TECHNICAL FEATURES DIGITAL DIS 2 TECHNICAL FEATURES DIGITAL DIS 4 Operating Voltage 10 18 volts neg ground Operating Voltage 10 18 volts neg ground Operating Current 4 0 Amperes O 10 000 RPM Operatin2. Connect the DIS heavy Red wire to the positive battery terminal and the heavy Black wire to the negative battery terminal Remove the bypass plug from the harness and plug the DIS Ignition into the harness Start the vehicle to verifiy that all functions are operating NOTE Timing set up switch S4 of switch 3 must be in the Off position in order to start the engine AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS Wiring before installation of the MSD Figure 4 RIGHT COWL PANEL POWERTRAIN CONTROL MODULE PCM EE l O 5 2 a l a o 5 mn 7 5 0 y 2 g 33 s opg w onl ll ps lo gt a oa oOo Oo 6o Oo Q 1 2 3 wv 4w 5 av 05m 7 v B o 9 m1 mm 01m 12 m6 13m 11 m5 13 m5 15m 17 13 mw 19 m5 20 m95 21 922 m5 23 92 m5 25 tm E ol z E a gt af 3 c a z 2 a o ml o op o q Y ps IE a 5 a f o x o aj 3 a o o D alaj 5 o Y 2 gt o m lo 5 Z a a oj gt aj 5 R a oO EVAPORATIVE L oj y x D EMISSIONS EVAP al gt o PURGE FLOW ee SENSOR RIGHT REAR a OF ENGINE Y g COMPARTMENT T x a TAN ORANGE y BLK WHT il so PNK T BLU i Siaz PPL l h l HOT IN RUN OR START Ehte E ac eee DATA LINK I suse suse 1 9 s s CONNECTOR 104 204 BEHIND I P RIGHT a 13 L OF STEERING COLUMN I z l 3 T Dl da H o Eg vl oy TI E aj la I l l l 5228 Y c100 l LEFTFRONTOF ENGINE CO
3. BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 15 Figure 16 MSD DIS 2 IGNITION WITH PN 8912 ADAPTER TRIGGER 2 TRIGGER 1 E NEO BROWN ORANGE COIL z 2 WIRES BROWNAWHITE IGNITION INTERRUPT TO GROUND BLACK WHITE WHITE TWO STEP TO GROUND IGN 12 VOUS RED 2 WIRES l BROWN BATTERY POSITIVE MENEE FED p 8 PIN CONNECTOR 4 BATTERY NEGATIVE MA BLACK WIRE COLOR CODE Brown White Coil Channel 1 Brown Green Coil Channel 2 Brown Orange Coil High Voltage White Trigger Input Channel 1 Green Trigger Input Channel 2 Red Ignition 12 Volt Switched Brown Ignition Interrupt Mo Ground Blue Two Step To Ground Red Heavy Battery Black Heavy Battery TROUBLESHOOTING Every MSD Digital DIS Ignition undergoes numerous quality control checks including a four hour burn in test If you experience a problem with your MSD our research has shown that the majority of problems are due to improper installation or poor connections The Troubleshooting section has several checks and tests you can perform to ensure proper installation and operation of the MSD If you have any questions concerning your MSD call our Customer Service Department at 915 855 7123 Monday Friday 8am to 5pm mountain time MISSES AND INTERMITTENT PROBLEMS Generally a miss or hesitation at higher rom is usually not caused by the ignit
4. Selector S1 extends the range of the Max Speed Rev Limit and the Staging Rev Limit by 4000 rpm Set selector S1 to ON to increase the indicated Rev Limit points by 4000 rpm 3250 ON OFF OFF OFF RPM S1 2 53 HIGH SPEED RETARD 3500 OFF ON OFF OFF 4000 OFF OFF OFF When the High Speed Retard 3750 ON ON OFF OFF 4500 ON OFF OFF selector S2 is ON the 4000 OFF OFF ON OFF 5000 OFF ON OFF ignitions high speed retard 4250 ON OFF ON OFF 5500 ON ON OFF feature will retard the ignition 4500 OFF ON ON OFF 6000 OFF OFF ON timing 20 starting at 1000 4750 ON ON ON OFF 6500 ON OFF ON rpm before the Max Speed 5000 OFF OFF OFF ON 7000 OFF ON ON 5250 ON OFF OFF ON 7500 ON ON ON Rev Limit point 5500 OFF ON OFF ON 5750 ON ON OFF ON 6000 OFF OFF ON ON 6250 ON OFF ON ON 6500 OFF ON ON ON 6750 ON ON ON ON MAX SPEED RETARD The Max Speed Retard sets the amount of ignition retard that occurs between the Retard Begin Speed and the Max Speed Rev Limit Position selectors S5 S6 S7 and S8 to the amount of retard TIMING SETUP When the Timing Setup function S4 is On the ignitions spark output is disabled and the built in LED indicator is turned on Note the Timing Setup switch must be set in the Off position in order for the ignition to fire ELECTRIC START Selector S3 programs the ignition spark to occur after one revolution for electric starter equipped engines or immediately for hand crank k
5. electrical system without a distributor The MSD can be used with a 16 volt battery and can withstand a momentary 24 volts in case of a jump start The ignition will deliver full voltage with a supply of 10 18 volts and will operate with a supply voltage as low as 5 volts If your application does not use an alternator allow at least 15 amp hour for every half hour of operation If the engine is cranked with the same battery or other accessories such as an electric fuel pump fan or water pump are used the amp hour rating of the battery must be increased COILS The MSD Digital DIS Ignitions can be used with most stock coils and most aftermarket coils that are designed to replace the stock coils If you have any questions concerning coils contact our MSD Customer Service Department at 915 855 7123 TACHOMETERS FUEL INJECTION The MSD Digital Series Ignitions feature a Tach Output Terminal on the side of the unit This terminal provides a trigger signal for tachometers fuel injection a shift light or other add on devices that require a 12 volt square wave rpm signal with a 40 duration Some vehicles may require a Tach Adapter to operate properly with the MSD For more information on tachometers and MSD Tach Adapters refer to the Tachometer Section on page 14 MISCELLANEOUS INFORMATION Sealing All circuits of an MSD are potted in ResTech compound This sealant protects the electronics from moisture Welding If you
6. in each of the locations marked and use the supplied hardware screws to mount the ignition unit Figure 1 OPTIONAL RUBBER SHOCK MOUNTS AVAILABLE FROM MSD PN 8823 Figure 1 amp 2 Mounting the MSD Ignition AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 4 INSTALLATION INSTRUCTIONS WIRING GENERAL WIRING INFORMATION Wire Length All of the wires of the MSD Ignition may be shortened as long as quality connectors are used or soldered in place To lengthen the wires use one size bigger gauge wire 12 gauge for the power leads and 16 gauge for all other wires with proper connections All connections must be soldered and sealed Grounds A poor ground connection can cause many frustrating problems When a wire is specified to go to ground it should be connected to the battery negative terminal engine block or chassis There should always be a ground strap between the engine and the chassis Always securely connect the ground wire to a clean paint free metal surface ROUTING WIRES The MSD wires should be routed away from direct heat such as the exhaust manifolds headers and any sharp edges The trigger wires should be routed separate from the other wires and spark plug wires It is best if they are routed along a ground plane such as the block fender well or firewall which creates an electrical shield WIRE FUNCTIONS The following chart describes what each wir
7. plan on welding on your vehicle to avoid possible damage to the ignition always disconnect both MSD Heavy Power cables from the battery It is also recommended that the tach ground wire be disconnected AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 3 SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of the DIS Series Ignition A good quality helically wound wire and proper routing are required to obtain the best performance from the ignition MSD recommends using a helically wound suppression type wire such as the MSD 8mm Heli Core or 8 5mm Super Conductor Spark Plug Wire This type of wire provides a good path for the spark to follow while keeping Electro Magnetic Interference EMI to a minimum Excessive EMI such as the amount that is produced by solid core spark plug wires will interfere with the operation of the MSD or other electronics on the vehicle NOTE Solid Core spark plug wires cannot be used with an MSD Ignition Routing Correct routing of the plug wires is also important to performance Wires should be routed away from sharp edges and engine heat sources If there are two wires that are next to each other in the engine s firing order the wires should be routed away from each other to avoid inducing a Spark into the other wire To add more heat protection to the wires MSD offers Pro Heat Guard P
8. terminals wires is the MSD Brown Orange The only wires connected to the factory harness wires trigger input are the MSD White Green Yellow Violet The small Red wire of the MSD is connected to a switched 12 volt source factory harness If using a MSD Digital DIS Ignition on a 4 cylinder engine equipped with single coils per cylinder the firing cycle select must be programmed for no wastespark 720 firing S4 Off The MSD power leads are connected directly to the battery positive and negative terminals The battery is connected and fully charged if not using an alternator The engine is equipped with at least one ground strap to the chassis WARNING The MSD Digital DIS Series Ignitions are capacitive discharge ignitions High voltage is present at the coil primary terminals Do not touch the coil or connect test equipment to the terminals TACH FUEL ADAPTERS If your vehicle does not operate correctly or if you experience a no run situation you probably need an MSD Tach Fuel Adapter Some vehicles with electronic fuel injection systems may require an MSD Tach Fuel Injection Adapter to run properly This is because many of these systems use the same trigger source to operate the MSD the tachometer and the fuel injection This results in a voltage signal that is too low to accurately trigger the fuel injection If your vehicle s engine starts and then shuts off after a short period of time or the check engine light turns on th
9. unit for repair leave all wires at the length in which you have them installed Be sure to include a detailed account of any problems experienced and what components and accessories are installed on the vehicle The repaired unit will be returned as soon as possible after receipt COD for any charges Ground shipping is covered by warranty All units are returned regular UPS unless otherwise noted For more information call the MSD Customer Service Line 915 855 7123 MSD technicians are available from 8 00 a m to 5 00 p m Monday Friday mountain time Limited Warranty Autotronic Controls Corporation warrants MSD Ignition products to be free from defects in material and workmanship under normal use and if properly installed for a period of one year from date of purchase If found to be defective as mentioned above it will be replaced or repaired if returned prepaid along with proof of date of purchase This shall constitute the sole remedy of the purchaser and the sole liability of Autotronic Controls Corporation To the extent permitted by law the foregoing is exclusive and in lieu of all other warranties or representations whether expressed or implied including any implied warranty of merchantability or fitness In no event shall Autotronic Controls Corporation be liable for special or consequential damages AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 FRM23729 Rev
10. 3 Brown Violet Coil Channel 4 Brown Orange Coil High Voltage White Trigger Input Channel 1 Green Trigger Input Channel 2 Yellow Trigger Input Channel 3 Violet Trigger Input Channel 4 TRIGGER 2 5 Red Ignition 12 Volt Switched TRIGGER 4 Brown Ignition Interrupt To Ground Blue Two Step To Ground BROWN VIOLET Red Heavy Battery YP BROWN GREEN PASSENGER SIDE IGNITION TRIGGER 3 Y 12 VOLTS IGNITION 12 VOLTS PASSENGER SIDE COIL HARNESS Black Heavy Battery BROWN ORANGE VIOLET x BROWN ORANGE BROWN WHITE HES YELLOW BROWN YELLOW BROWN IGNITION INTERRUPT TO GROUND TWO STEP TO GROUND BATTERY POSITIVE mammum RED TERIN CONNECTOR BATTERY NEGATIVE mamm BLACK NOTE The vehicle coil harness is cut about 3 inches from each coil connector and both ERAS PONNECTOR E ends are terminated with supplied Butt Splice LED MONITOR MSD ci connectors daz DIGITAL DIS 4 This allows the MSD Ignition to be unplugged TACH OUTPUT and the stock ignition to be reconnected with the supplied by pass plug AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 14 INSTALLATION INSTRUCTIONS PRESTART CHECK LIST e The only wires connected to the coil negative terminals wires are the MSD Brown White Brown Green Brown Yellow Brown Violet The only wire connected to the coil positive
11. AN LT GRN ay c250 a 251 OF ENGINE Hl gt 6 zZz W T 5 IGNITION COIL HE E TOP FRONT OF ENGINE gt zZ ORG WHT IGNITION INTERRUPT TO GROUND BROWN BROWN ORANGE TWO STEP TO GROUND CRANKSHAFT POSITION SENSOR G203 CENTER FRONT BEHIND L P OF ENGINE AT RIGHT COWL RED BATTERY POSITIVE BLUE 12 PIN CONNECTOR OB BYPASS CONNECTOR LED MONITOR CK BATTERY NEGATIVE BROWN VIOLET Not Used Seal it VIOLET To Ground TACH OUTPUT AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 8 INSTALLATION INSTRUCTIONS STAGING REV LIMIT TWO STEP The Two Step feature provides the capability of switching between two rpm limits High and Low The limits are set using the Staging Rev Limit and the Max Speed Rev Limit To activate the Staging Rev Limit function connect the Light Blue wire to a momentary switched ground Figure 6 When the Light Blue wire is grounded the low rpm limit is engaged When the Light Blue wire is not grounded open the high rpm limit is engaged To adjust the low rpm limit position S1 S2 S3 and S4 of Switch 2 to the desired configuration To adjust the high rpm limit position S5 S6 S7 and S8 of Switch 3 to the desired configuration MOMENTARY PUSH BUTTON SWITCH O Figure 6 Connecting the Staging Rev Limit THEFT DETERRENT The MSD DIS Ignition provides the opportunity to easily install a
12. ELECTRIC START o HE MAX REV LIMIT WASTE SPARK gt _M MAX TIMING STAGING REV LIMIT MAX SPEED RETARD RETARD BEGIN SPEED MAX SPEED REV LIMIT NOTE The ignition switch must be E SHONN turned ON then OFF before new program changes will take effect Figure 9 Switch Position and Controls AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 11 WIRING DIAGRAMS The following wiring diagrams illustrate numerous installations on different vehicles and applications If you experience difficulties when installing your MSD DIS 2 or DIS 4 Ignition contact our Customer Service Department at 915 855 7123 Monday Friday 8am 50m mountain time or e mail us at msdtech msdignition com Figure 10 GENERAL DIS WIRING Typical 4 cylinder application factory wiring POWERTRAIN CONTROL MODULE COIL HARNESS IGNITION 12 VOLTS TRIGGER COIL 2 TRIGGER COIL 1 Figure 11 GENERAL DIS WIRING Typical 4 cylinder application with DIS 2 Ignition Brown White Coil Channel 1 Brown Green Coil Channel 2 Brown Orange Coil High Voltage White Trigger Input Channel 1 Green Trigger Input Channel 2 TRIGGER 1 COIL CHL 1 Red Ignition 12 Volt Switched COIL CHL 2 Brown Ignition Interrupt To Ground Blue Two Step To Ground Red Heavy Battery Black Heavy Battery COIL HARNESS IGN 12
13. MPT l l I I 129 i a W a 7 a gt F O EE Ww fam Y 74 C250 104 C251 a PI I l MALFUNCTION TACH INDICATOR L l LANP i l 9 yc250 8 C251 T 5 Y Zz x INSTRUMENT CLUSTER I RADIO INTERFACE CAPACITOR TOP RIGHT FRONT OF ENGINE ORG WHT IGNITION 12 VOLTS yP FUSE PANEL LEFT OF I STEERING COLUMN CUT HERE RED LT BLUE y E 5 3 z CKP 9 SHIELD a 3 a S amp 3 5 NCA s204 lt lt l o a z 2 wl al D I I CRANKSHAFT 2 POSITION SENSOR 6203 CENTER FRONT BEHIND L P OF ENGINE l g x E T T ao y 72 a a 8 6 2 21 w E T gt I 27 s 23 w 29 w 30 w 31 95 32 533 m9 HO 35 ww at jo 2 Ww iL a a am z 5 2 oO g S x Y 5 T ge 5 Zz a a x a n v y x oO a a D ol y a a RED LT GRN PNK ORG BLK WHT DK GREEN ORG WHT PNK WHT RED LT BLU NCA PPL ORG TAN WHT ORG YEL RED CHANNEL 1 TRIGGER F DK BLU LT GREEN A E CHANNEL 2 TRIGGER LL CHANNEL 3 TRIGGER DISCONNECT HERE COIL CHANNEL 1 COIL CHANNEL 2 COIL CHANNEL 3 TAN by TAN ORG TAN WHT 5 ro 1 RED LT GRN ro 3 SPARK PLUGS TAN ORG ro 4 roe TAN LT GRN 3 6 IGNITION COIL TOP FRONT OF ENGINE AT RIGHT COWL AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 7 Wiring aft
14. N 3411 This is a glass woven and silicone coated protective sleeve that can be slid over the plug wires For extra protection to the spark plug boots MSD also offers Pro Boot Guard PN 3412 Spark Plugs Choosing the correct spark plug design and heat range is important when trying to get the best performance possible Since there are so many engine combinations and manufacturers MSD does not recommend which plug or gap is exactly right for your application Platinum style spark plugs are not recommended MSD suggests that you follow the engine builder or manufacturer s specification for spark plugs With that you can then experiment with the plug gap to obtain the best performance The gap of the plugs can be opened in 0 005 increments then tested until the best performance is obtained MSD judges the plug gap by compression and other variables Every application is different and should be tested and tuned MOUNTING The MSD Ignition may be mounted in any location except on the engine or near the exhaust manifold Excessive heat at these locations may cause damage to the ignition It can be mounted in any position It is not recommended to mount the unit in an enclosed area such as the glovebox When selecting a mounting location make sure the cable harness will reach the battery and coils When a suitable location is found hold the ignition in place and mark the location of the mounting holes Using a 13 64 drill bit drill a hole
15. Rev Limit Selector S1 ECU TIMING i i e a raises the Staging Rev Limit and Max A ee Speed Rev Limit by 4000 This feature ae ee ee allows the DIS Ignitions to be used on TI both low and high rpm engines 500 1000 2000 3000 4000 5000 6000 7000 8000 9000 10 000 HSR Curve Selector S2 activates the High Speed Retard function This feature retards the ignition timing at a rate of 20 1000 rpm beginning 1000 rpm below the selected Max Speed Rev Limit setting The HSR Curve can be used for traction control or on nitrous equipped engines to prevent detonation Figure 8 Electric Start Selector S3 programs the DIS Ignition for use on either starter equipped engines or kick pull start engines Waste Spark Selector S4 programs the ignition for use on engines equipped with a single coil per cylinder 720 firing S4 Off or dual output coil feeding 2 cylinders 360 firing S4 On Max Timing Selectors S6 S7 and S8 are preprogramed prior to shipping to revert to the factory ECU max timing setting Changing these selectors will not affect the performance of this ignition SWITCH 2 Staging Rev Limit Selectors S1 S2 S3 and S4 set the rpm point at which the Staging Rev Limit feature limits the engine rpm The Staging Rev Limit is used to provide a lower rpm limit for use on the starting line for consistent launches Max Speed Retard The Max Speed Retard sets the amount of ignition retard that occurs between the Retard Begin
16. Speed and the Max Speed Rev Limit Selectors S5 S6 S7 and S8 set the amount of retard SWITCH 3 Retard Begin Speed The Retard Begin Speed determines the rpm point at which the ignition s retard function will begin to retard the timing Selectors S1 S2 and S3 set the desired rpm point Timing Setup When the Timing Setup selector S4 is activated ON the ignition s spark output is disabled and the built in LED indicator is turned on This feature can be used to monitor the ignition s functions or as a timing setup device Max Speed Rev Limit Selectors S5 S6 S7 and S8 determine the rpm point at which the engine over rev limiter is activated Note If the DIS Rev Limiter value is set at a greater value than the vehicle s ECU rev limit the engine speed will rev limit at the lower value of the ECU AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 10 INSTALLATION INSTRUCTIONS STAGING REV LIMIT Selectors S1 S2 S3 and S4 set the rpm point at which the Staging Rev Limit feature limits the engine rpm at Position the selectors to the desired rpm below RPM S1 S2 S3 S4 3000 OFF OFF OFF OFF RETARD BEGIN SPEED The Retard Begin Speed S1 S2 and S3 of Switch 3 determines the rpm point at which the ignition s retard function will begin to retard the timing Position the switches to the desired rpm point shown in the graph below MAX MIN REV LIMIT
17. To Ground BROWNAWHITE 2 wines Red Heavy Battery Black Heavy Battery BROWN YELLOW BROWN VIOLET IGNITION INTERRUPT TO GROUND Not Used TWO STEP TO GROUND BATTERY POSITIVE mas RED 12 PIN CONNECTOR BATTERY NEGATIVE mmm BLACK To Ground NOTE The vehicle coil harness is cut about BYPASS CONNECTOR 3 inches from each coil connector and both _ EEE_EE lt gt EEEE EE EI lt MI O ends are terminated with supplied Butt Splice LED MONITOR gt MSD DIGITAL DIS 4 connectors TACH OUTPUT l This allows the MSD Ignition to be unplugged d h and the stack ignition to be reconnected with PT the supplied by pass plug AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 13 Figure 14 GENERAL DIS WIRING Typical 8 cylinder application factory wiring POWERTRAIN CONTROL MODULE DRIVER SIDE COIL HARNESS PASSENGER SIDE DRIVER SIDE IGNITION COIL IGNITION COIL RADIO INTERFERENCE CAPACITOR INTERFERENCE CAPACITOR IGNITION 12 VOLTS PASSENGER SIDE COIL HARNESS IGNITION 12 VOLTS TRIGGER COIL_3 y COIL 4 Figure 15 GENERAL DIS WIRING Typical 8 cylinder application with DIS 4 Ignition oO n uw d T lt aE a a w a 0 o faa Ww T a WIRE COLOR CODE Brown White Coil Channel 1 Brown Green Coil Channel 2 Brown Yellow Coil Channel
18. VOLTS 2 WIRES IGNITION INTERRUPT TO GROUND TWO STEP TO GROUND BATTERY POSITIVE a RED PIN NNECTOR j ee pea BATTERY NEGATIVE mmm BLACK NOTE The vehicle coil harness is cut about 3 inches from coil connector and both BYPASS CONNECTOR ends are terminated with supplied Butt Splice connectors This allows the MSD Ignition to be unplugged TACH OUTPUT and the stock ignition to be reconnected with the supplied by pass plug LED MONITOR AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 12 INSTALLATION INSTRUCTIONS Figure 12 GENERAL DIS WIRING Typical 6 cylinder application factory wiring POWERTRAIN CONTROL MODULE IGNITION COIL COIL HARNESS RADIO INTERFERENCE CAPACITOR TRIGGER IGNITION COIL 3 12 VOLTS TRIGGER TRIGGER COIL 1 COIL 2 Figure 13 GENERAL DIS WIRING Typical 6 cylinder application with DIS 4 Ignition Brown White Coil Channel 1 Brown Green Coil Channel 2 IGNITION COL Brown Yellow Coil Channel 3 Brown Violet Coil Channel 4 Brown Orange Coil High Voltage White Trigger Input Channel 1 Green Trigger Input Channel 2 Yellow Trigger Input Channel 3 TRIGGER 1 5 Violet Trigger Input Channel 4 Red Ignition 12 Volt Switched RADIO INTERFERENCE CAPACITOR COIL HARNESS IGN 12 Brown Ignition Interrupt To Ground BROWN ORANGE 2 wires Blue Two Step
19. e of the MSD DIS Ignition is used for These are the two heavy gauge wires 14 gauge and are responsible for getting direct battery voltage to the ignition Heavy Red This wire connects directly to the battery positive terminal to a positive battery junction or the positive side of the starter solenoid Note Do not connect to the alternator Heavy Black This wire connects to a good ground either at the battery negative terminal or to the engine Red Connects to a switched 12 volt source such as the ignition key or switch Brown Orange Connects to the positive terminal wire of the coil Note This is the only wire that makes electrical contact with coil positive Brown White Connects to the negative terminal wire of the coil Channel 1 Note This is the only wire that makes electrical contact with channel 1 coil negative Brown Green Connects to the negative terminal wire of the coil Channel 2 Note This is the only wire that makes electrical contact with channel 2 coil negative Brown Yellow Connects to the negative terminal wire of the coil Channel 3 available on DIS 4 only Note This is the only wire that makes electrical contact with channel 3 coil negative Brown Violet Connects to the negative terminal wire of the coil Channel 4 available on DIS 4 only Note This is the only wire that makes electrical contact with channel 4 coil negative There is a trigger input wire for each cha
20. em from the vehicle AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 CHECKING FOR SPARK The following procedure will determine if the ignition is producing a spark 1 Make sure the ignition switch is in the Off position 2 Remove the spark plug wires and spark plugs from the engine With the spark plugs inserted in the end of the plug wires lay the spark plugs against ground 3 Disconnect the MSD trigger wire Green White Yellow or Violet from the ignition amplifier harness 4 Turn the ignition to the On position Do not crank the engine 5 Tap one of the trigger wires to ground several times Each time you pull the wire from ground a spark should jump across the spark plugs If spark is present the ignition is working properly Repeat the test for each coil If there is no spark procede to step 6 6 If there is no spark A Inspect all of the wiring B Substitute another coil and repeat the test If there is now spark the coil is at fault C If there is still no spark check to make sure there is 12 volts on the small Red wire from the MSD when the key is in the On position If 12 volts is not present find another switched 12 volt source and repeat the test NOTE Some vehicles will require cranking the engine to provide 12V to the MSD Ignition Red wire D After following the test procedures and inspecting all of the wiring th
21. en your vehicle will require a Tach Fuel Injection Adapter An MSD Tach Adapter PN 8912 will usually remedy the problem The chart below lists most of the vehicles that require a tach fuel injection adapter It is very important that the tach fuel adapters be installed at the same time that the DIS Ignition is installed to prevent activation of the check engine light On OBD II equipped vehicles resetting of the check engine light requires special computer diagnostic equipment On vehicles not listed install the DIS before purchasing the adapter to see if the ignition will operate properly without the adapters INSTALLING THE PN 8912 TACH ADAPTERS The number of adapters required is determined by the number of cylinders on the engine Four cylinder engines will need the PN 8912 Adapter 6 cylinder and V 8 engines will need two PN 8912 s Figure 16 shows a PN 8912 installed to a 4 cylinder engine Note If you bypass the MSD using the supplied bypass plug you must disconnect the adapters from the harness If you still experience problems after installing the adapters call the MSD Customer Service Department for further instruction YR VEHICLE ADAPTER i Mitsubishi Eclipse Galant Mirage Montero Precis Expo Eagle Talon Summit Dodge Avenger Neon Stratus Caravan Chrysler Sebring Cirrus Plymouth Breeze Voyager Acclaim Colt Sundance Laser Ford Mustang T Bird with 4 6L Engine AUTOTRONIC CONTROLS CORPORATION 1490 HENRY
22. er installation of the MSD Figure 5 RIGHT COWL PANEL POWERTRAIN CONTROL MODULE PCM ac l 5 5 l S o T l Ww gt T x l i A 7 s a E z By 8 2 g 9g 48 2883 3 8 g 8 12 a a 6 6 8 8 EE gt 1 2 Se im SSS TOFS 0 SENG 2 BE HNO 15 1 AE a 27 ap 28 a 29 E ay NSH EEE al z E z 4 gt el a 8 El z E aj a a al gt ojl o of wy 5 O oO o 5 3 al lt Y al a S x Y E Ij a Hj e 5l o I oJ alo Z aj a a a 9 D m Ss 4 S E a A a Y 5 gt D fo wo 5 im zZ bat al a o A Y o es ol a oO E oO 5 m D a A 5 al EVAPORATIVE L wl y x o a ER 1D EMISSIONS EVAP al 5 9 2 PURGE FLOW 5 SENSOR g RIGHT REAR 10 OF ENGINE Y g COMPARTMENT 3 x z RED LT GRN _ tp PNKIORG JAN ORANGE DK GREEN sp BLKWHT ORG WHT O PNK WHT PNK LT BLU 5142 COT RED LT BLU 10 NOR PPL ip PPL ORG E 3 l E Sn USE a TANWHT DATA LINK xz Iz Fuse ruse PANEL ORG YEL CONNECTOR 3 15 1 tm 3 MLEFTOF BED BEHIND I P RIGHT al la l 4 a STEERING OF STEERING COLUMN l I l COLUMN 7 ay fo 3 pe 5l P Sl t T E gl E iva a A r l mf m a I l I 5228 G100 i LEFT FRONT OF z E ENGINE COMPD E E gt 5 l gt i E s129 l A W rr a oO a g a 5 T D a k oH 7 A C250 104 c251 a TT SS TOT INSTRUMENT TAN ORG I I CLUSTER 4 MALFUNCTION TACH HE l TANP I l RADIO INTERFACE I CAPACITOR oeron OOO Bel TOP RIGHT FRONT T
23. ere is still no spark the MSD Ignition is in need of repair See the Warranty and Service section for information RETURNING TO STOCK IGNITION To return the ignition system back to standard operation simply unplug the MSD Digital DIS control cable and insert the supplied jumper plug into the cable connector If using aftermarket low resistance coils they must be replaced with the original factory coils Note If any tach fuel injector adapters were added to the vehicle harness the adapters must be disconnected before reverting back to the stock ignition LED MONITOR The MSD Digital DIS Ignition is equipped with an LED monitor The LED will light every time there is a spark At above idle speeds it may appear to be on continuously If the LED begins to flash erratically it is indicating that there is a problem The battery supply voltage may be getting to low for full power operation or a coil positive wire may be grounded Service In case of malfunction this MSD component will be repaired free of charge according to the terms of the warranty When returning MSD components for service Proof of Purchase must be supplied for warranty verification After the warranty period has expired repair service is charged based on a minimum and maximum charge Send the unit prepaid with proof of purchase to the attention of Customer Service Department Autotronic Controls Corporation 12120 Esther Lama Suite 114 El Paso Texas 79936 When returning the
24. g Current 7 4 Amperes O 10 000 RPM RPM Capability 14 000 RPM 4 Cyl 14 volts RPM Capability 14 000 RPM 4 6 8 Cyl 14 volts Ignition Inputs 2 DIS Type Ignition Inputs 2 3 4 DIS Type Ignition Outputs 2 DIS Type Ignition Outputs 2 3 4 DIS Type LED Indicator Ign trigger low battery voltage LED Indicator Ign trigger low battery voltage Tach Output 12 volt square wave Tach Output 12 volt square wave 40 duration 40 Duration Rev Limiter High RPM Adjustable Rev Limiter High RPM Adjustable Low RPM Adjustable Low RPM Adjustable Spark Duration 20 4 Cyl Max Sparks 12 Spark Duration 20 4 6 8 Cyl Max Sparks 12 Energy Output Max 105 115 milliJoules per spark Energy Output Max 105 115 milliJoules per spark 1540 milliJoules per sequence 1540 milliJoules per sequence Output Voltage Primary Into Coil 460 480 volts Output Voltage Primary Into Coil 460 480 volts Secondary w stock coil Secondary w stock coil 40 000 volts 40 000 volts Weight amp Size 3 7 Ibs 8 5 L x 4 5 W x 2 2 H Weight amp Size 4 5 Ibs 9 5 L x 4 5 W x 2 2 H Potting Ciba Polyurethane Potting Ciba Polyurethane AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 2 INSTALLATION INSTRUCTIONS THEORY OF OPERATION CAPACITIVE DISCHARGE The MSD Digital DIS Series Ignitions feature a capacitive discharge ignition design The majority of s
25. hannel 3 available on the DIS 4 only to the third factory trigger wire and then connect the DIS Brown Yellow Coil wire to the corresponding wire on the coil 4 Connect the DIS Violet wire Channel 4 available on the DIS 4 only to the fourth factory trigger wire and then connect the DIS Brown Violet Coil wire to the corresponding wire on the coil IMPORTANT If you are using the DIS 4 on a 4 or 6 cylinder application where all the DIS channels are not used you must ground the unused trigger input wires On a 6 cylinder application ground the DIS Violet wire and on a 4 cylinder ground the DIS Violet and Yellow wires At this point all the DIS harness wires should be connected Review your wiring with the Figures on pages 11 13 and make any corrections if required To verify that all wires are connected to their proper locations plug the supplied bypass plug into the DIS harness and then start the vehicle If the vehicle does not start then the harness was not installed properly Check all your connections to ensure that they are secure and connected in the proper order The only wires that should be connected directly to the coil are the BRN ORG BRN WHT BRN GRN BRN YEL and the BRN VIO Do not hook any other wires to the coil The Red wires should be connected to a switched 12 volt source allowing the ignition to be switched On and Off by the vehicles ignition switch If the vehicle starts then the harness is correctly installed
26. ick start type engines Set selector S3 to ON for hand crank kick start engines only WASTE SPARK Selector S4 programs the MAX SPEED REV LIMIT Selectors S5 S6 S7 and S8 determine the rpm point at which the engine over rev limiter is activated Position the paint F desired nition for use with single i imi coil a a G e DEG S5 s6 s7 s8 selectors to the desired rev limit output coil pack type coils 0 OFF OFF OFF OFF Sel a ii Set selector S4 to OFF for i 1 ON OFF OFF OFF a A ae aa engines equipped with one 2 OFF ON OFF OFF 6500 ON OFF OFF OFF coil per cylinder 720 firing 3 ON ON OFF OFF 6750 OFF ON OFF OFF or to ON for all coil pack 360 4 OFF OFF ON OFF 7000 ON ON OFF OFF firi ipped 5 ON OFF ON OFF iring equipped engines 6 OFF ON ON OFF 7250 OFF OFF ON OFF MAX TIMING 7 ON ON ON OFF 7500 ON OFF ON OFF The Max Timing selectors S6 8 OFF OFF OFF ON a a pe ae S7 and S8 are for a feature 9 ON OFF OFF ON 8250 OFF OFF OFF ON 8500 ON OFF OFF ON 8750 OFF ON OFF ON 9000 ON ON OFF ON 9250 OFF OFF ON ON 9500 ON OFF ON ON 9750 OFF ON ON ON 10 OFF ON OFF ON 11 ON ON OFF ON 12 OFF OFF ON ON 13 ON OFF ON ON 14 OFF ON ON ON 15 ON ON ON ON which is not programmed into this model Changing the position of the Max Timing selectors will not affect the operation of this ignition HSR CURVE jn E
27. ion Most probable causes include a coil or plug wire failure arcing from the plug boot to ground Several areas to inspect are e Always inspect the plug wires at the coil and at the plug for a tight connection and visually inspect for cuts abrasions or burns e Inspect the positive and negative coil terminal wire connections Because the MSD is a Capacitive Discharge ignition and it receives a direct 12 volt source directly from the battery there will not be voltage at the coil positive terminal with the key turned On During cranking or while the engine is running very high voltage will be present at the coil Do not connect any test equipment to the coil positive or negative terminals wires WARNING Do not touch the coil terminals during cranking or while the engine is running e Make sure that the battery is fully charged and the connections are clean and tight If you are not running an alternator this is an essential check e Is the engine running lean Inspect the spark plugs and complete fuel system e Inspect all wiring connections for corrosion or damage Remember to always use proper connections followed by soldering and seal the connections completely If everything checks out use the following procedure to test the ignition for spark MSD also offers an Ignition Tester PN 8996 which can be used to check the entire ignition system tachometers rpm activated switches and shift lights without removing th
28. ised 04 02 Printed In U S A
29. nnel from the factory electronic amplifier Trigger Wires White This wire is used to connect to the electronic ignition amplifier output of channel 1 Green This wire is used to connect to the electronic ignition amplifier output of channel 2 Yellow This wire is used to connect to the electronic ignition amplifier output of channel 3 Violet This wire is used to connect to the electronic ignition amplifier output of channel 4 Brown Ignition interrupt feature To activate connect this wire to ground Blue Two Step feature To activate low rpm limit connect this wire to ground WARNING High voltage is present on the coil terminals Do not touch the coil terminals or wires when the engine is cranking or running AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 5 WIRING TO THE FACTORY IGNITION SYSTEM NOTE The factory rev limiter and all timing functions will still function EE re ne 6 O as normal with the MSD Digital DIS Ignition installed Lia VOLTS 1 Locate the ignition coils and identify which wire leading to the El coil s has 12 volts on it with the ignition key in the On position E TE a If available refer to the vehicle s service manual wiring diagram i to assist you in identifying the 12 volt wire s NOTE On some vehicles the starter must be engaged to provide 12 volts to the positive wire leading to the coil
30. s If none of the wires indicate 12 volts have someone engage the starter while testing each of the wires If a service manual is not available follow this procedure Figure 3 A Disconnect all wires leading to the coil s Note on some Figure 3 applications it may require that the harness leading to the coil be cut to access the wires B Turn the ignition switch On Using a voltmeter probe each of the wires on the harness to determine which wire has 12 volts on it Note Make sure the wires do not contact any engine components C The wire that shows 12 volts is the positive feed to the coil Turn the ignition switch Off and connect the DIS Red wires to the harness and the DIS Brown Orange wires to the positive side of the coil D The remaining wires on the harness are the trigger wires On a 4 cylinder you should have two on a 6 cylinder three and on a 8 cylinder there should be four Each of these wires needs to be connected to one of the trigger input wires of the DIS Ignition Using Figure 4 and 5 as a guide connect the DIS trigger input and coil wires as follows 1 Connect the DIS White wire Channel 1 to the first factory trigger wire and then connect the DIS Brown White Coil wire to the corresponding wire on the coil 2 Connect the DIS Green wire Channel 2 to the second factory trigger wire and then connect the DIS Brown Green Coil wire to the corresponding wire on the coil 3 Connect the DIS Yellow wire C
31. theft deterrent kill switch Figure 7 Attach the Brown wire to one side of a single pole throw On Off switch and the remaining side to ground When the Brown wire is grounded the vehicle will crank but not start SINGLE POLE THROW ON OFF SWITCH MSD PN 8806 Figure 7 Connecting a Theft Deterrent Switch PROGRAMMING THE DIS IGNITION The MSD DIS Ignitions have several programming options to tune the ignition to meet specific engine requirements Three switch assemblies located on the end panel are for programming the ignition The MSD DIS Ignition are programmed at the factory for operation on most 4 6 and 8 cylinder engines equipped with a distributorless ignition system It is recommended to install and run the DIS Ignition before making any adjustments The diagram on page 10 shows the switch assemblies and the factory default settings along with their corresponding adjustment ranges AUTOTRONIC CONTROLS CORPORATION 1490 HENRY BRENNAN DR EL PASO TEXAS 79936 915 857 5200 FAX 915 857 3344 INSTALLATION INSTRUCTIONS 9 PROGRAMMABLE FEATURES Below is a list of the DIS 2 and 4 s EXAMPLE RETARD BEGIN SPEED 4000 RPM programmable features As illustrated MAXIMUM SPEED AEVUM 2000 RAM in figure 8 the factory ECU max timing P gee A EERE RETARD BEGIN SPEED and rev limit setting cannot be lt yu SANG overri d den 5 E 1 R MAXIMUM SPEED REVLIMIT SWITCH 1 E i E gt gt MAXIMUM SPEED RETARD Max Min
32. tock ignitions are inductive ignitions In an inductive ignition the coil must store and step up the voltage to maximum strength in between each firing At higher rpm since there is less time to charge the coil to full capacity the voltage falls short of reaching maximum energy which results in a loss of power or top end miss The MSD Ignition features a capacitor which is quickly charged to 460 480 volts and stores it until the ignition is triggered With the CD design the voltage sent to the coil is always at full power even at high rpm MULTIPLE SPARKS The MSD Digital DIS Series Ignition produces full power multiple sparks for each firing of the spark plug The number of sparks that occur decreases as rpm increases however the spark series always lasts for 20 of crankshaft rotation Above 3 000 rpm there is simply not enough time to fire the spark plug more than once so there is only one powerful spark REV LIMITER The MSD DIS 2 and 4 Ignitions are equipped with a built in adjustable Soft Touch Rev Control This rev limit feature can be adjusted in 250 rom increments using the program switches on the ignition s end panel The Soft Touch circuitry provides a smooth and accurate rev limit by dropping the spark to individual cylinders The Soft Touch produces a load free rev limit that is accurate to within 1 of the selected rom GENERAL INFORMATION BATTERY An MSD Digital DIS Series Ignition will operate on any negative ground 12 volt
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