Window Motor

Check power feed wire to motor terminals, if power is available, check motor ground. Inspect window regulator and channels for possible binding. Connect a jumper wire to power source and one of the motor terminals, then connect to the other motor terminal. Motor should operate window up and down, if not, replace motor.

Fig 1: "X" Body Four Door Model with Ignition Relay Power Window Wiring Diagram (Two Door Models Similar)

Courtesy of GENERAL MOTORS COMPANY

Fig 2: "F" and "X" Body Power Window Wiring Diagram ("A", "B", "C" and "E" Two Door Models Similar)

Courtesy of GENERAL MOTORS COMPANY

Fig 3: Corvette Power Window Wiring Diagram

Courtesy of GENERAL MOTORS COMPANY