General Motors 7 pin HEI Ignition Control
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 leftGeneral Motors 7 pin HEI Ignition Control useasydocs
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)DAVE's small body HEI's
DAVE's small body HEI's is a service that converts older American engine point type distributors to one of three different electronic ignition specifications.Testing HEI Coil Module Hot Rod Forum : Hotrodders ...
Doc here, First be sure the 12 volts doesn't drop out when cranking..If it does you may need a secondary Ignition wire or a better source of power for the HEI.Part 1 How to Test the Ford Ignition Control Module ...
Page 1 of 5: How to Test the Ford Ignition Control Module (Fender Mounted). How to test the Ignition Module, PIP Sensor, Ignition Coil, Spark Plug Wires, Distributor Cap. Fender mounted Ignition Control Module (ICM).HEI Conversion CHEVELLESTUFF
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.Part 3 How to Test the GM Distributor Mounted Ignition Module
Attach the HEI spark tester (or an equivalent spark tester) to the spark plug wire. Don't have an HEI spark tester? Need to buy one? You can buy it here: OTC 6589 Electronic Ignition Spark Tester).Wiring and Sensors MegaSquirt(R) FAQ Main Page
Relays generally have 4 pins (marked 85, 86, 30, 87) or 5 pins (85, 86, 30, 87, 87a). For most automotive relays, pins 85 and 86 are the coil circuit (and takes 12 Volts to activate the 'switch' assuming a 12V rated relay, of course!).Demystifying Holley Terminator and Sniper Ignition Hookup
I recognize that the ignition control part of an EFI system can be the most intimidating part of the entire project. And most EFI System manufacturers seem to focus more on "how to connect it" than "how it works", so even after some folks get it working they really don't know what they did.FBO Ignition Systems MOPAR Micro Processor IGNITION ...
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!
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