No Trailer Brakes When Stepping On Brake Pedal in 2003 Hummer H2 with P3 Brake Controller
Question:
I had this installed in a 2003 Hummer H2 and it brakes if I use the manual switch but does nothing when I apply the breaks. I have no error message and see nothing wrong when I run the TS
asked by: Bryan
Helpful Expert Reply:
Your 2003 Hummer H2 has the same setup as the GM SUVs and trucks of the same year. You should be using brake controller harness # 3015-P. Make sure that the position of the red wire in the end of he harness that plugs into your H2 is positioned in the top right corner (with the connector clip facing up) next to the blue wire. If it is not in this location move it there. This is the wire that tells the controller that you are stepping on the brake pedal.
If the red wire is in the right place then the likely cause is blown stop light or CHMSL fuse and replacing it will fix the problem.
Products Referenced in This Question
Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM
- Accessories and Parts
- Trailer Brake Controller
- Wiring Adapter
- Plugs into Brake Controller
- Vehicle Specific
- Tekonsha
more information >
Product Page this Question was Asked From
Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LCD Display
- Up to 360 Degrees
- Tekonsha
more information >
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