October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Window Motor

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

Fig 1: General Motors Light Truck Power Window Wiring Diagram

Courtesy of GENERAL MOTORS COMPANY