Gm Hei Ignition Module Wiring Diagram. The gm system expects a more modern coil as well one that is powered by 12v at all times versus the oem coil that needs 9v during regular running and 12v at start. Gm ignition module wiring diagram 61u61y 3 way switch wiring stereo wiring diagram toyota gm ignition module wiring diagram wiring diagram is a simplified satisfactory pictorial representation of an electrical circuit.
General motors 7 pin hei ignition control remote mount module team camaro tech 4 gm back to stock holley needs advice for diode fix motor replacing an antiquated distributor trigger using points dist replace duraspark with 8 technical ii problem checking. Diagram together with gm hei ignition module wiring diagram. Tach signal is a purple wire with a white trace pin r advance control signal is a white wire pin e override cranking signal is a tan wire with a black trace pin b ground is a black wire with a red trace grounded to distributor case.
If your gm vehicle has a slow or hard start the ignition control module should be tested with an electrical test light.
The resistance on a. Most of the original gm v 6 and v 8 models used an ignition coil inside the distributor cap making it a one piece ready to run distributor. There are normally two wires on the terminal on the coil. The other thing which you will come across a circuit diagram would be traces.