GM 20904439 Trailer Brake Continue Relay Assembly
GM Genuine Parts trailer brake relay assembly designed for OE fit and reliable operation. Customers note easy installation and solid functionality as an OEM replacement
Highlights
- OEM replacement
- easy installation
- GM-engineered and tested
Pros
- OE fit and design
- easy installation
- reliable function as a trailer brake relay
Cons
- mixed feedback on service code capability
Best For
Features
- GM Genuine Parts are designed, engineered and tested to rigorous standards
- GM Engineers design and validate OE parts for Chevrolet, Buick, GMC, or Cadillac vehicles
- GM regularly updates production and service part designs to integrate new materials and technologies
