Where is the ignition control module on a GMC Truck?
Where is the ignition control module on a GMC Truck?
In a GM car or truck with a V8 engine, the ignition control module (also known as the ICM) is hiding under the distributor cap. Chevy trucks, GMC trucks, or any General Motors vehicle with this type of eight-cylinder engine will be the same.
What are the wires in the ignition module?
The ignition control module (ICM) has 4 wires coming out of it. Below are the descriptions of what each circuit does. Each circuit is identified by a letter, and this is the same letter that you will find on the ignition module’s connector. Power (12 V) Circuit. Ignition Control (IC) Signal. Engine Ground Circuit. Switching Signal Circuit.
Where can I get a new ignition module?
Chevy trucks, GMC trucks, or any General Motors vehicle with this type of eight-cylinder engine will be the same. If you drive a different vehicle, the process will be very similar. First, get a new ignition control module for your vehicle. These can be found both in physical stores and junkyards.
Can you test the GM distributor mounted ignition module?
The GM distributor mounted ignition control module (ICM), can be tested on the car or truck easily. Not only that, you don’t need any expensive tools to do it.
Where is the ignition control module located in a car?
However, this electronic component is very sensitive to heat. Since many vehicle models locate their modules inside the engine compartment, it is not unusual for these components to succumb eventually. But whatever your vehicle model, follow these steps to replace the control module in your car.
How many wires does the ignition module have?
The ignition control module (ICM) has 4 wires coming out of it. Below are the descriptions of what each circuit does. Each circuit is identified by a letter, and this is the same letter that you will find on the ignition module’s connector.
Why is my ignition module not working properly?
It’s also possible the circuits may be critically damaged by overheating if the problem is not addressed after the first or second occurrence. If you cannot start the car, you need to test the ignition control module using a light timing tester to check the output of the module.
The GM distributor mounted ignition control module (ICM), can be tested on the car or truck easily. Not only that, you don’t need any expensive tools to do it.
