Troubleshooting Redarc Tow-Pro Liberty Trailer Brake Controller Not Calibrating On 2017 GMC Yukon XL
Question:
I just finished installing the tow-pro liberty on my gmc yukon xl and when I push the button the blue light comes on so it has power, but when I drive to calibrate it the button doesnt flash green/blue so Im not sure if its all set up or not.
asked by: Mike G
Expert Reply:
The Redarc Tow-Pro Liberty Brake Controller # RED24FR will not always calibrate unless it has a trailer connected. It seems to vary based on the vehicle as not all the trailer systems will work when a trailer is not connected to the 7-way on your 2017 GMC Yukon XL.
Since you tested the controller by pushing the button you know that it does have power going to the unit, and a good ground. Pushing on the brake is what will begin the calibration process when you have a trailer connected. If you do not get any lights when pushing on the brake pedal as you are driving with the trailer connected you may have a bad brake switch or faulty Plug-and-Play Wiring Harness # 331-TPH-010. A Test Light # PTW2992 will allow you to ensure that you are getting power to the red wire on the harness from the brake switch.
Products Referenced in This Question
Redarc Tow-Pro Liberty Brake Controller - Dash Knob - Up to 2 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Plug-In
- Dash-Mounted Knob
- Behind-Dash
- Up to 2 Axles
- Indicator Lights
- Single Trailer Only
- Redarc
more information >
Product Page this Question was Asked From
Redarc Plug-and-Play Wiring Harness for Tow-Pro Trailer Brake Controllers
- Accessories and Parts
- Trailer Brake Controller
- Wiring Adapter
- Plugs into Brake Controller
- Vehicle Specific
- Redarc
more information >
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