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International Automotive Technicians Network
Re: points with GM module DIY ignition
Posted to Technical Discussion Forum on 1/23/2023

Here's a diagram - you'll have to copy/paste the web address as iATN doesn't like the link:


The internal circuitry of the HEI module triggers the ignition coil primary current off when it sees the voltage on pin G go from high to low.

Pins W and G ... Login to read more.