MSD Distributor and External Coil Install 18|19Gm Hei Distributor External Coil Wiring Diagram - 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 Ampseal OPTOIN+ pin #30 (ground the Ampseal OPTOIN- pin #31 at the distributor). 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. Pro-Style Distributor with red cap. Pro-style (small cap) distributor with red cap. Standalone model, does not require external ingition box to run..
Sniper Ignition Control Using MSD Distributor. I do not recommend Sniper ignition control using the MSD distributor if a Holley HyperSpark or Dual-Sync Distributor is available for your application.. Tips and step by step procedures for retrofitting an HEI distributor in your GM engine.. MegaManual Index-- External Wiring Schematic-- External Wiring with a V3.0 Main Board-- Some Wiring Considerations General Guidelines for Automotive Wiring-- Wire Sizes.
Your MicroSquirt® controller can be triggered from the negative terminal of the coil, as long as your MicroSquirt® controller is not also being used to control the ignition timing.. MS1-Extra Ignition Hardware manual. Only for use with the MS1 Extra code (MS1 - 68H908 based microprocessors) By Philip Ringwood (daxtojeiro), James Murray. This Tech Section has grown rather long and takes too much time to load. So, it was split into TWO PAGES, each page with the same index. Some content CAN be on the OTHER page and you will be directed back and forth transparently, as required..
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 component is Proudly Made In USA!.