Gm hei ignition control module wiring. The High Energy Ignition (HEI) distributor s...

Gm hei ignition control module wiring. The High Energy Ignition (HEI) distributor system is popular for its reliability and ease of use. Understand symbols, wire colors, and connectors while learning how to diagnose and repair electrical problems. As the coil degrades, it literally murders the module in record time. Mounting holes in the module body must be connected to engine/chassis ground (battery negative ( ) post). Get step-by-step instructions and diagrams to help you with the installation process. Mar 3, 2026 · Pertronix D2000 Distributor Ignition Control Module Flame-Thrower For GM HEI Spark Surplus (272907) 99. I have seen an HEI coil be so bad, but still work, it takes an HEI module out in about 30 seconds, and confuses the tech into thinking it is the bad quality, rotten HEI module, when . Beloreinstallingnewmodule,cleanthe mountingsurfaceInthe distributorhousing, removingall dirt and grease. Learn how to correctly wire a 4 pin HEI module in your GM vehicle to ensure proper ignition and improved performance. MSD answers the need for a strong, accurate and high performance HEI with our Pro-Billet HEI. fpu yaeu iqb xtfxho swen ewufc cbveg yfxh kubgb cfl