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How to Wire a Simple GM HEI Distributor for Optimal Performance

simple gm hei distributor wiring diagram

To wire the GM HEI ignition system correctly, it’s important to understand how the components interact. Start by connecting the ignition switch to the ignition coil’s power terminal. This ensures the system receives the required voltage to operate. The coil’s negative terminal is then connected to the control module, which helps regulate timing and spark.