Master Window Switch

When the ignition switch is in the RUN position, the battery voltage is applied to the master window switch through circuit 141. The switch assembly is grounded through circuit 150. When you operate any master window UP switch that is not associated with express down, the battery voltage is applied to the window motor. The motor grounds through the Down contact in the master window switch. The motor drives the window up.

When you press Down past the first detent on any master window Down switch, the battery voltage is applied to the window motor in the opposite direction. The motor grounds through the UP contact in the master window switch. The motor drives the window down.