Rear Quarter Window System Operation
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
When the rear quarter window switch is activated to the Open position, battery positive voltage is applied to the rear quarter window actuators through the power window motor rear vents open control circuit. Ground for the actuators is provided by the power window motor rear vents close control circuit through the close side of the rear quarter window switch.
When the rear quarter window switch is activated to the Close position, battery positive voltage is applied to the rear quarter window actuators through the power window motor rear vents close control circuit. Ground for the actuators is provided by the power window motor rear vents open control circuit through the open side of the rear quarter window switch.