The ignition module on the engine of a 1990 Chevrolet Silverado can be commence inside of the distributor cap on the distributor. Appropriate the module out of the engine bay and discard it.
1. Pop the hood. Allot the distributor cap on the back of the engine. It's the charcoal cap with all of the ignition wires running outside of it.
2. Unscrew the distributor cap from the distributor using the Phillips attitude screwdriver. Pull the cap off of the distributor.
3. Place the ignition module on the distributor. It is a rectangular box with wiring important into it. Disconnect the spade connectors from the module using your hands.
4. Unscrew the module from the distributor using the Phillips tendency screwdriver. Provided the module goes away, the ignition Testament not servicing properly and the engine might misfire or sputter while running. When this happens, you should remove the ignition module from the distributor and alternate it with a latest one. The appointment should holding approximately 30 minutes for experienced weekend mechanics.