GM Genuine Parts Transmission Control Module Wiring Harnesses are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These wiring harnesses are bundled collections of wires and connectors, used for connecting your vehicle's transmission control module to other vehicle components. 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).

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• Connects your vehicle's transmission control module to other transmission components
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

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