GMC Sierra 2500 HD Brake Wiring Harnesses and Parts
Brake wiring harnesses and parts for the GMC Sierra 2500 HD span model years 2001–2019, covering trailer brake control harnesses and ABS wheel speed sensor wiring harnesses suited to this truck's towing-oriented design. Select your year above and we'll show only the brake wiring harnesses and parts that fit your GMC Sierra 2500 HD. Fitment is checked against our vehicle data for every part listed.
Standard Motor Products S1686 Ambient Air Temperature Sensor Connector Pigtail
What's here for your GMC Sierra 2500 HD
- Trailer brake control harnesses — wiring connections between the truck and trailer brake controllers
- ABS wheel speed sensor wiring harnesses — the cabling assemblies that connect wheel speed sensors to the ABS system
The widest selection here comes from Beck/Arnley, CURT, Standard Motor Products, and REDARC, offering a range of harness styles and connector configurations across the 2001–2019 model years. Other categories GMC Sierra 2500 HD owners shop for: GMC Sierra 2500 HD Shocks and Struts, GMC Sierra 2500 HD Exterior Lights and GMC Sierra 2500 HD Springs and Suspension Parts, or browse all GMC Sierra 2500 HD parts and accessories.