- Acceleration Issues. The vehicle may shake, vibrate or jerk when the gas pedal is pressed. There may be hesitation or lack of power during increases in speed.
- Temperature Problems. A faulty ignition module can cause a vehicle to overheat. ...
- No Power. The engine may turn over without starting.
How do you test an ignition module with a multimeter?
Place the red lead of the multimeter on the positive coil terminal. Place the black lead to the battery negative terminal. Turn on the ignition switch to the "Run" position. The multimeter should read battery voltage at the positive terminal.
How do you test an ignition control module in GM?
- Open the hood of the GM vehicle. Locate the ignition module. ...
- Connect the positive test light lead to the ignition module signal wire. ...
- Ask a partner to crank the engine numerous times.
How can I tell if my ignition module is bad?
- Acceleration Issues. The vehicle may shake, vibrate or jerk when the gas pedal is pressed. There may be hesitation or lack of power during increases in speed.
- Temperature Problems. A faulty ignition module can cause a vehicle to overheat. ...
- No Power. The engine may turn over without starting.
How do you test an ignition igniter module?
Connect the ground lead from the 12-volt test light to the negative terminal on the ignition coil. Have your partner crank the engine over several times. Your test light should flicker on and off. If so, your module is working properly and no further testing is necessary.
How do you test an ignition module?
Connect the ground lead from the 12-volt test light to the negative terminal on the ignition coil. Have your partner crank the engine over several times. Your test light should flicker on and off. If so, your module is working properly and no further testing is necessary.
What is the main purpose of the ignition module?
These components are also referred to as “ignition control units” and “ignitors,” and their main purpose is to interrupt the flow of current through the primary winding of an ignition coil and create a high voltage pulse in the secondary winding.Oct 10, 2013