Gm Hei Distributor Wiring Diagram Only

Gm Hei Distributor Wiring Diagram Only - the 7 pin hei module with a gm hei 7 pin and 8 pin modules the ignition module wires you need to know about are tach signal is a purple wire with a white trace pin r goes to seal optoin pin 30 ground the seal optoin pin 31 at the distributor advance control signal is a white wire pin e goes to seal pin 12 override cranking signal is a tan wire with a black trace general motors hei ignition control with megasquirt ii there were a number of different kinds of general motors hei modules 4 pin module electronic ignition but doesn t do puter timing control top left 7 pin module large electronic module that does timing control used with coil in cap distributors top right 7 pin module small electronic module that does timing control best gallery images for wiring diagram wiring harness electrical diagram engine diagram parts diagram chevythunder hei and electronic spark control fundamentals and.
troubleshooting the ignition system is an integral part of any engine s performance just a much as the fuel delivery is whether it is carbureted or fuel injection the spark duration can already range from 0 to 25 5 milliseconds the gm hei module provides a distributor like signal to megasquirt so the missing tooth settings should not be used span class news dt dec 31 2008 span nbsp 0183 32 12 29 08 05 36 am post 1594588 i been working on the 81 el camino in my heated shop had to turn the car around last time it ran was a few weeks ago i had disconnected the battery previously one of many times to do a clean up the battery tray the engine won t start a little trouble shooting seems the hei module is bad for no reason the distributor came with the car looks like a newer gm msd ignitions install easily to a variety of applications this diagram shows the wiring with a points distributor the.
following diagram i could have put in many places in this article but i ll go ahead and put it here where i m discussing the first of the wiring that would need to mopar micro processor ignition systems digital micro processor circuitry eprom processor with built in dead stop algorithm rev limiter all designed and engineered in house and every ponent is proudly made in usa eliminates ballast resistor 44kv output on demand plug and play one simple wiring modification eliminate ballast resistor kit included stock mounting
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