Electric windows — description and testing (Chevrolet Tahoe 1)

Electric motors with reducers installed inside the doors and the window lift mechanism are used to drive the windows. The serviceability of the devices and wires can be checked by inspection:

• a) checking the fuse and/or circuit breaker.
• b) checking the integrity of the wires from the switches, the reliability of their connections. Checking the serviceability of the switch.
• c) checking the condition of the wiring and drives of the window lift mechanism under the door trim panel.