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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Door System, Mirror System & Window System) >> Description and Operation >> Power Windows Description and Operation >> Power Windows >> Front Passenger Window Switch

Front Passenger Window Switch

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition switch is in the RUN or ACCY position or retained accessory power (RAP) is enabled, battery positive voltage is supplied from the PWR WDO circuit breaker to the front passenger window switch. Ground is applied from G302 through the driver window switch to the front passenger power window switch. When the front passenger power window switch is pressed to the DOWN position, battery positive voltage is applied to the window motor down circuit and ground is applied to the window motor up circuit, causing the window to open. When the window switch is pressed in the UP position, the polarity is reversed, battery positive voltage and ground are applied to the opposite circuits and the window closes.