Windows: Description and Operation

The power window system allows each of the door windows to be raised and lowered electrically by actuating a switch on each door panel. A master switch on the drivers door allows the driver to raise or lower each of the passenger door windows and to lock out the individual switches on the passenger doors from operation. The power window system receives battery feed through a fuse in the Totally Integrated Power Module (TIPM) and a circuit breaker located in the instrument panel wiring harness near the park brake pedal, only when the ignition switch is in the RUN or ACCESSORY position.

The window motors are replaced with the window regulator assembly. If the window motors require replacement, the window regulator must be replaced.

WINDOW SWITCH
The power window switches control the battery and ground feeds to the power window motors. The passenger door power window switches receive their battery and ground feeds through the circuitry of the drivers window switch. When the power window lockout switch is in the Lock position, the battery feed for the passenger door window switches is interrupted.

WINDOW MOTOR
Window motors use permanent type magnets. The B+ and ground applied at the motor terminal pins will cause the motor to rotate in one direction. Reversing current through the motor terminals will cause the motor to rotate in the opposite direction.