Smoke in the Wires Jan 2016


Here is the long-anticipated January Smoke in the Wires in snazzy e-magazine format. Enjoy!

with black stripe to the coil, then unscrew the module from its mounting

surface. Having removed the module, unscrew the four small screws which

retain the back cover and lift it off. Surprise! There you will see the General

Motors HEI, 4-pin, ignition control module. These are available everywhere and

anywhere for as little as $15.00 to $20.00.

They work on 4 or 6 cylinder engines. The GM HEI modules come under the

name Delco, Allstar, Moroso,

Accel brand, and probably others.

Unscrew the two small mounting nuts, disconnect the wires, and remove. You

don't need to remove the capacitor or potted transistor in the aluminum cover,

which functions primarily as a heat sink. Put a liberal coating of dielectric

grease or Silicon gel over the metal plate on the bottom of the new module to

help with heat transfer. Plug the wires onto the new unit the same way as the

old. Attach mounting nuts. Put the rear cover plate back on and replace the

module back onto the car and attach the black cable, white, white / black wires.

You now have a new electronic ignition system that not only looks the same

as the original, but is the same. Make sure all connections are clean and solid,

and you're good to go, having just saved

and you're good to go, having just saved yourself at least a couple hundred


If your car was converted from the earlier Lucas “Opus” electronic ignition

system, you no longer need or want the ballast resistors. They should have

been taken out of the circuit when the ignition was originally converted. Make

sure that they are.

Smoke in the Wires January 2016 Page 14

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