A Permanent Magnet (PM) motor operates each of the power windows. Each motor raises or lowers the glass when voltage is supplied to it. The direction the motor depends on the polarity of the supply voltage. The window switches control the supply voltage polarity. Each motor is protected by a built-in circuit breaker. If a window switch is held too long with the window obstructed or after the window is fully up or down, the circuit breaker opens the circuit. The circuit breaker resets only after voltage is removed from the motor.

When the ignition switch is in the accessory or on position, battery voltage is applied to the LF window switch through the PWR WINDOWS PWR SUNROOF circuit breaker and to circuit 143. When any of the up switches in the LF window switch are operated, battery voltage is applied to the window regulator motor. The window regulator motor is grounded through the down contact in the LF window switch. The motor runs to drive the window up. When any of the down switches in the LF window switch are operated battery voltage is applied to the window regulator motor in the opposite direction. The window regulator motor is grounded through the up contact in the LF window switch. The motor runs to drive the window down.

If the DN position in the LF window switch is momentarily pressed down past the first defeat, the window will travel to the fully down position. To stop the window, press the LF window switch to the UP position.

The LF window switch contains a lock out switch which will remove B+ from the other window switches. This will not allow the operation of the windows from their individual switches. The windows can still be operated as normal from the LF window switch.

When the ignition switch is in the accessory or on position, B+ is applied to the window switches through the PWR WINDOWS PWR SUNROOF circuit breaker, to circuit 143, and then through the LF window switch to circuit 1307. When the UP position in the RF window switch is pressed, B+ is applied to the RF window regulator motor through circuit 666. The motor is grounded through circuit 667, the down contact in the RF window switch, circuit 167, and the down contact in the LF window switch. The motor runs to drive the window up. When the DN position in the RF window switch is pressed, B+ is applied to the RF window regulator motor in the opposite direction through circuit 667. The motor is grounded through circuit 666, the up contact in the RF window switch, circuit 166, and the up contact in the LF window switch. The motor runs to drive the window down. The other windows operate similarly from their individual window switches.