What is a PCM plug?
What is a PCM plug?
Plug compatible refers to “hardware that is designed to perform exactly like another vendor’s product.” The term PCM was originally applied to manufacturers who made replacements for IBM peripherals. Later this term was used to refer to IBM-compatible computers.
What is PCM wiring?
The PCM relay, also known as the powertrain control module relay, comes with a power relay that provides battery voltage to the right PCM circuits. This type of contact relay is activated using a signal wire or the ignition switch.
What is a pigtail connector?
Pigtail connectors are an insulation displacement connector that are filled with a di-electric grease to prevent moisture from getting inside the connector. You do not need to strip the ends of your wires. These electrical connectors allow you to connect up to three wires of different sizes (20 awg to 14 awg) together.
How many connectors does a GM 4.3L PCM have?
The 1996-97 PCM (Powertrain Control Module = Fuel Injection Computer) on your 4.3L, 5.0L or 5.7L Engine has a total of 4 connectors. NOTE: For other PCM pin-out charts, take a look at the following:
What does the pin number on a PCM connector mean?
This means that the Connector Pin # will have one of two different wires DEPENDING on whether your vehicle is equipped with a 4.3L, 5.0L, 5.7L, etc. Here are some very important safety precautions when testing the wires coming out of the PCM connectors.
Where to find Powertrain Control Module repair guide?
Enter your vehicle details. Click the “View More” button, and then click “Vehicle Repair Guides.” Select the chapter “Powertrain Control Module (PCM) Repair Guide”.