Why Wouldn't Brake Controller Wiring of 2003 GMC Sierra be Active
Published 03/09/2023
Question:
Installed a Hopkins brake controller for my Sierra 1500 and having trouble getting power through the four wire plug in underneath the dash
asked by: Adof D
0
Expert Reply:
On your 2003 GMC Sierra there are actually a few connections that need to be made under the hood of the vehicle to allow the brake controller wiring to be active. If you check out the attached help article you'll see exactly how to do this.
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Adapter 7-Pole to 6-Pole and 4-Pole with Cover - Universal
- Custom Fit Vehicle Wiring
- Wiring Adapters
- Universal Fit
- 7 Blade to 4 Flat
- 7 Blade to 6 Round
- Plug Only
- Hopkins
more information >
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