WIRING The Digital 6A and 6AL use a main wiring harness that connects to the ignition through a sealed and locked connection.

Before purchasing an Adapter, try connecting the tachometer’s trigger wire directly to the MSD’s tach output terminal. If the tach still does not operate (and is properly wired) you may need a Tach Adapter.

The following wiring diagrams illustrate numerous installations on different vehicles and applications. If you experience difficulties when installing your MSD, contact our Customer Support Department at …

ssories are installed on the vehicle. The repaired unit will be returned as soon as possible using Ground shipping methods (gr und shipping is covered by warranty). For more in ormation, call MSD at (915) …

That is why we have assembled the MSD Ignition Wiring Diagrams and Tech Notes Book. This book is a collection of component installation procedures, applications and technical information.

The following wiring diagrams illustrate numerous installations on different vehicles and applications. If you experience dificulties when installing your MSD, contact our Customer Support Department at …

If you have a current trigger tach (originally coil positive) and use the White wire of the MSD, you can purchase a Chrysler Dual Ballast Resistor (used from 1973 - 1976) and wire it as shown in Figure 5.

MSD Power Grid System Controller PN 7730/77303 EGISTRATION: Register your MSD product online. Registering your product will help if there is ever a warranty issue with your product and helps the …

ibutor. You must identify which module your distributor has to determine which wiring diagram to use. Count the number of pins or terminals on the module and follow the diagram for a 4-pin or 7-pin

Triggering The MSD can be triggered by points or with a magnetic pickup. ngle White wire of the MSD is for points triggering. It c he Magnetic Pickup Wires are in the 6-Pin connector. The Mag positi e (+) …