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How do you replace an ignition module on a 38 liter 1994 buick regal?

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2009-06-20 15:14:01
2009-06-20 15:14:01

The ignition module on these is on the passenger side of the engine's front corner.

It has six ignition wires coming out of it and these are the 'coils' that fire the spark plugs.

The ignition module is under this bank of coils, mounted to the coil pack.

In general, mark the ignition wires and coil pack so you know where to reconnect them, then remove the main wire harness connector. I think there are two fasteners, 6 or 8mm at each end of the connector. as you loosen these screws the connector will back out of its environment seal, dont force the removal until the screws are fully disengaged.

The module should then have some peripheral fasteners to remove it from the firewall.

Take the module complete to your friendly local auto parts store (FLAPS) and have them test it for free before you pony up for replacing it. Brace yourself for the cost.

Salvage yards have these for much less but at greater risk.

Sometimes the module has a thermal gasket/seal it is important to install this correctly to seal the electronics and heat sink the coil pack for maximum life.

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