Hei module wiring diagram
GM 4-Pin HEI Electronic Ignition Control Module Wiring Connections/Diagram with a Magnetic Pickup Coil. This electronic ignition system operates with full 12 volts. Best gallery images for wiring
diagram, wiring harness, electrical diagram, engine diagram, parts diagram HEI Conversions. Finding an HEI Distributor. There are a couple of choices here, new or used. In addition, here are a few things to note: '75 to '79 ('75 to '85 Canadian) used 4-pin modules. CHEVYTHUNDER.COM. HEI and ELECTRONIC SPARK CONTROL FUNDAMENTALS AND TROUBLESHOOTING The ignition system is an integral part of any engine's performance, just a much as the fuel delivery is, whether it is carbureted or fuel injection. 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 computer timing control, top left; 7 pin
module (large) - electronic module that does timing control, used with coil-in-cap distributors, top right; 7 pin module (small) - electronic module that does timing control 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) ; advance control signal is a white wire [pin E] goes to Ampseal pin #12; override (cranking) signal is a tan wire with a black trace This was posted by MB523, I'm putting it here so everyone can find it later. Thanks MB523 Here is a wiring diagram for the 1976-1979 gas model EZGO's for … MegaManual Index-- External Wiring Schematic-- External Wiring
with a V3.0 Main Board-- Some Wiring Considerations General Guidelines for Automotive Wiring-- Wire Sizes The Relay Board-- Making a “Pigtail” to Connect to MegaSquirt--MAP Sensor-- Oxygen Sensors-- Temperature Sensors EasyTherm-- Throttle Position Sensor-- Fast Idle Solenoid-- Ignition Triggering-- Sensor Troubleshooting Most MSD Distributors must be used with an MSD Ignition Control. The Ready-to-Run models and the O.E. style distributors do not require an MSD Ignition. Introduction to the MicroSquirt ® Module EFI controller. MicroSquirt ® encapsulates pretty much everything that MegaSquirt ® has to offer, in a board the size of a business card. It would be nice to have this package for a true DIY setup… For real engine experimenters, the MicroSquirt ® PCB is offered in a module format - The MicroSquirt ® Module.