GM Genuine Parts Engine Heater Wiring Harnesses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These wiring harnesses are organized sets of wires, terminals and connectors that transfer power and signals. For this application, they are connecters for various parts of the engine heater, which allows the engine to both start and warm the cabin in cold conditions. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps carry electrical signals to and from the heated window element
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
• GM regularly updates production and service part designs to integrate new materials and technologies