Drivers Window

The integrated control unit provides voltage to the coil of the power window relay with the ignition switch in "on" (and for 10 minutes after is switched to "off", and as long as both doors remain closed). The contacts of the power window relay close and voltage is applied to the master power window switch. When you move the drivers power window switch to "up", voltage is applied to the master power window motor. The motor ground path is back through the drivers power window switch. The drivers power window motor drives the window up. When you move the drivers power window switch to "down", voltage is applied in the opposite direction and the motor drives the window down.