PN#15961566  SKU#15485  ACDelco Parking Brake Pump Motor Switch. Parking Brake Pump Motor Switch; GM Genuine Parts Parking Brake Pump Motor Switches are designed, engineered, and tested to rigorous standards, and are backed by General Motors. This switch controls the hydraulic pressure supplied to the parking brake actuator. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). Product Line: ACDelco GM Genuine Parts Parking Brake Pump Motor Switches. Lighted: No. Safety Cover: No. Labeled: No. Weatherproof Sealed: No. Relay Included: No. Wiring Included: No.