The GM Power, Ground, Brake Harness provides you with a fused battery power source, a high-quality vehicle ground point, and a reliable 3rd brake light signal. By using the factory wiring, your installation will achieve OEM quality, reduce installation time, and avoid unnecessary damage from splicing into factory wires. The 003-236 includes an extra connection to the vehicle fuse box for 12-volt power. If you only need CHMSL, no connection to the fuse box is required. See Application List Part #003-236
- T-harness length is 10″, Fuse harness 30″,
- The harness uses OEM-quality components
- The harness is covered with a PET Braided Sleeve
- Weight: 4.1z
- Package: 12×10 Poly Bag
- UPC 632138343904
Applications
- Chevrolet Silverado 1500 2023+
- GM HD 2500 & 3500 2024+
003-236 Installation Instructions
Connects to the rear of the Factory Trailer Brake Controller Harness
- Add Dielectric Grease to all connection points before assembly.
- Access the OEM CHMSL Lamp harness at the CHMSL, unplug it, and plug in the T-Harness.
- Route the CHMSL lead to the CHMSL Lamp and connect. The blue wire is Positive.