Left Rear Window

When the left rear power window switch is pushed to DOWN, power is supplied to the coil of the left rear power window switch down relay, energizing it. Battery voltage is supplied to the left rear power window motor through the energized relay. A path to ground for the motor is provided by the left rear power window switch up relay, lowering the window until the switch is released or the window is fully lowered.

When the left rear power window switch is pulled to UP, power is supplied to the coil of the left rear power window switch up relay, energizing it. Battery voltage is supplied to the left rear power window motor through the energized relay. A path to ground for the motor is provided by the left rear power window switch down relay, raising the window until the switch is released or the window is fully lowered.

When the left rear window is opened or closed from the power window master switch, the control unit sends signals to the relays within the left rear power window switch.