Front Passenger Power Window Operation (RPO A31 W/O AN3, DL3)

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The switch for the front passenger power window has 3 positions UP, Down and Express Down and it's position is a direct input into the passenger window switch. Upon receiving a request for power window operation (switch activation), the passenger window switch supplies voltage to the power window motor right front up or down circuit and grounds the opposite and the power window motor runs to drive the window up or down.

The front passenger power window can also be operated from the driver window switch. The right front window switch on the driver master control has 3 positions Up, Down and Express Down and its position is a direct input into the driver window switch. Upon receiving a request for front passenger power window operation, the driver window switch transmits a command signal indicating the changed switch position. When the passenger window switch receives this message, the passenger window switch supplies voltage to the power window motor right front up or down circuit and grounds the opposite and the power window motor runs to move the window up or down.