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20 INSTALLATION 

AUTOTRONIC CONTROLS CORPORATION

 • 1490 HENRY BRENNAN DR., EL PASO, TEXAS 79936 • (915) 857-5200 • FAX (915) 857-3344

Limited Warranty

 

M

SD warrants this product to be free from defects in material and workmanship under its intended normal use*, 

when properly installed and purchased from an authorized MSD dealer, for a period of one year from the date of 

the original purchase. This warranty is void for any products purchased through auction websites. If found to be 

defective as mentioned above, it will be repaired or replaced at the option of MSD. Any item that is covered under 

this warranty will be returned free of charge using Ground shipping methods. 

  This shall constitute the sole remedy of the purchaser and the sole liability of MSD. To the extent permitted by 

law, the foregoing is exclusive and in lieu of all other warranties or representation whether expressed or implied, 

including any implied warranty of merchantability or fitness. In no event shall MSD or its suppliers be liable for special 

or consequential damages.

  *Intended normal use means that this item is being used as was originally intended and for the original application 

as sold by MSD. Any modifications to this item or if it is used on an application other than what MSD markets the 

product, the warranty will be void. It is the sole responsibility of the customer to determine that this item will work 

for the application they are intending. MSD will accept no liability for custom applications. 

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 warranty service, 

Proof of Purchase

 must be supplied for verification. After 

the warranty period has expired, repair service is based on a minimum and maximum fee.

 

All returns must have a Return Material Authorization (RMA) number

 

issued to them before 

being returned. To obtain an RMA number please contact MSD Customer Service at 1 (888) MSD-7859 or visit 

our website at www.msdperformance.com/rma to automatically obtain a number and shipping information. 

  When returning the 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 using Ground shipping methods (ground shipping is covered 

by warranty). For more information, call MSD at (915) 855-7123. MSD technicians are available from 7:00 a.m. to 

5:00 p.m. Monday - Friday (mountain time).

M S D  

•   W W W . M S D P E R F O R M A N C E . C O M   •   ( 9 1 5 )   8 5 7 - 5 2 0 0   •   F A X   ( 9 1 5 )   8 5 7 - 3 3 4 4

© 2016 MSD LLC

FRM 

34310 

    Revised 

08/16 

   

TECH NOTES

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Summary of Contents for 6A 6201

Page 1: ...o the coil positive terminal is always at full power even at high rpm MULTIPLE SPARKS The MSD produces full power multiple sparks for each firing of a plug The number of multiple sparks that occur dec...

Page 2: ...ogram the Ignition This is easily achieved through the cylinder select wire loops on the side of the ignition Page 5 outlines setting the cylinder select GENERAL INFORMATION BATTERY The Digital 6A and...

Page 3: ...p is exactly right for your application It is recommended to follow the engine builder or manufacturer s specification for spark plugs With that you can then experiment with the plug gap to obtain the...

Page 4: ...its that can be used to trigger the MSD Ignition a Points circuit the White wire and a Magnetic Pickup circuit the Green and Violet wires Only one circuit will be used at a time This wire is used to c...

Page 5: ...be running as you make adjustments to the rev limiter function REV LIMITER VERIFICATION The MSD Digital 6AL has an optional built in Rev Limiter Verification feature When the key is in the On position...

Page 6: ...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 If you are installing...

Page 7: ...igger and you are using the White wire to trigger the MSD you will need the PN 8910 BALLAST RESISTOR If you have a current trigger tach originally coil positive and use the White wire of the MSD you c...

Page 8: ...llest wire exiting the alternator Figure 7 It is usually a Brown wire SMALLER OF THE 2 WIRES DIODE WIRE LOOM GM 2 WIRE ALTERNATORS Figure 7 Installing the Diode to a 1973 1983 GM Vehicle 1A 100V DIODE...

Page 9: ...e ignition is working properly If there is no spark skip to step 6 If triggering with the Magnetic Pickup 1 Make sure the ignition switch is in the Off position 2 Remove the coil wire from the distrib...

Page 10: ...s it is recommended to remove the trailing set of points MSD SYSTEMS Installing to an MSD Distributor Crank Trigger NOTE Ballast Resistor is not necessary NOTE Remove the coil terminal wires The negat...

Page 11: ...T USED GRAY TACH OUTPUT GREEN VIOLET DIGITAL 6AL REV LIMITER MSD SYSTEMS With an MSD Timing Control points or amplifier MOST TIMING CONTROLS TIMING CONTROL UNIT CONTROL KNOB IGNITION TM MAGNETIC PICKU...

Page 12: ...il connector is labeledA B C The wire in the A port is positive pink The wires in B and C are coil negative wires color will vary by application BOTH PINKS BOTH WHITES BOTH WHITES FACTORY HARNESS CUT...

Page 13: ...TIONS GM Large Cap HEI Distributors FOUR PIN SEVEN PIN FIVE PIN There are three different large cap HEI distributors To identify which of the following diagrams fit your specific application remove th...

Page 14: ...ND C NOTE Some 5 pin models may experience a hesitation or stall on deceleration If this occurs contactMSDTechLine fortherequiredbolt indiodeto correcttheproblem MSDTech Line 915 855 7123 GM IGNITIONS...

Page 15: ...AL REV LIMITER FORD IGNITIONS Wiring a Ford DuraSpark using Magnetic Pickup Trigger NOT USED FORD DISTRIBUTOR VIOLET ORANGE VIOLET BLACK NOT USED DISTRIBUTOR CONNECTOR DISCONNECT FROM ORIGINAL HARNESS...

Page 16: ...EEN INDICATES CONNECTION NOT USED COVER WITH TAPE ORANGE BLACK GRAY TACH OUTPUT RED WHITE HARNESS MAGNETIC PICKUP CONNECTOR GREEN VIOLET DIGITAL 6AL REV LIMITER FORD IGNITIONS Wiring a Ford TFI with H...

Page 17: ...OLET INDICATES CONNECTION DIGITAL 6AL REV LIMITER NOTE Original wiring must be cut MSD offers two direct plug in harnesses PN 8889 for 90 97 and PN 8884 for 98 03 DUAL MAGNETIC PICKUP DISTRIBUTOR TO D...

Page 18: ...IC PICKUP NOT USED GRAY TACH OUTPUT GREEN VIOLET DIGITAL 6AL REV LIMITER Wiring a Toyota with a Tach Adapt PN 8910HEI GENERAL IMPORT WIRING ORANGE TO COIL BLACK TO COIL INDICATES CONNECTION MAGNETIC P...

Page 19: ...HARNESS VIOLET VIOLET ORANGE BLACK GRAY TACH OUTPUT RED WHITE FROM IGNITION KEY ORIGINAL COIL WIRE DIGITAL 6AL REV LIMITER AFTERMARKET COMPONENTS Wiring to a Pertronix Ignitor Kit If you did not find...

Page 20: ...possible using Ground shipping methods ground shipping is covered by warranty For more information call MSD at 915 855 7123 MSD technicians are available from 7 00 a m to 5 00 p m Monday Friday mount...

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