Hei Distributor Plug Wiring Diagram


Hei Distributor Plug Wiring 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 a distributor is an enclosed rotating shaft used in spark ignition internal bustion engines that have mechanically timed ignition the distributor s main function is to route secondary or high voltage current from the ignition coil to the spark plugs in the correct firing order and for the correct amount of time except in mag o systems the distributor also houses a mechanical or chevythunder 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 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 seal optoin pin 30 ground the seal optoin pin 31 at the distributor advance control signal is a white wire pin e goes to seal pin 12 override cranking signal is a tan wire with a black trace pare the facts msd introduced the first aftermarket distributor crafted from a billet of 6061 t6 aluminum these pro billet distributors are now available for most popular domestic v8s and several other popular engines 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 puter 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 1985 1992 throttle body injection wiring harness installation.
quality of construction this harness is constructed using oem quality wire for superior reliability and long term use 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 ponent is proudly made in usa eliminates ballast resistor 44kv output on demand plug and play one simple wiring modification eliminate ballast resistor kit included stock mounting how to correct firing order on your chevy small block first this document assumes you have not removed the distributor from the engine if you have you will need to bring the engine to tdc or top dead center in the firing position for the number one cylinder then reinstall the distributor so that the striker on the distributor rotor is in the 6 30 position detailed later in this document when the ignition.
coil fails inside the distributor your 1992 1995 2 2l toyota camry is not gonna start the cool thing is that even though the 2 2l toyota camry s ignition coil is inside the distributor testing it is not hard and can by easily done with a few simple tools
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