Express down module (EDM) shot?
I can hear the EDM relay click when I press the driver window button down, and if I time it right and press the up button the EDM makes a buzz sound for a second.The driver's window has worked flawless the three years I've had the car; no skipping, studders, slow speed, ect. I've taken the EDM apart and I don't see anything loose on the board.
So can anyone confirm my hypothesis? Anyway to bypass the EDM too make sure the window motor still operates?
You can take a voltmeter, take the door apart, take the door speaker out, and unhook the electrical connector from the window motor. Attach the voltmeter leads to the motor connector and operate the window switch. If you see 12V at the connector, it will confirm that the EDM and circuitry is good and the motor is bad.
You can take a voltmeter, take the door apart, take the door speaker out, and unhook the electrical connector from the window motor. Attach the voltmeter leads to the motor connector and operate the window switch. If you see 12V at the connector, it will confirm that the EDM and circuitry is good and the motor is bad.
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