Warning! Output Shortage Error On Tekonsha Prodigy P3 Trailer Brake Controller
Updated 06/22/2021 | Published 06/19/2021
Question:
I just had my trailer rewired and new backing plats put on the brake controller p3 tekonsha work fine the first day after picking the trailer up. I went to use it today and it is give a warning output shorted no brakes. The brakes still work. When you push the brake pedal the message goes away shows the amount of power being applied to the brakes. What could be causing this warning
asked by: Scott
Expert Reply:
I took a look in the owner's manual for the Tekonsha Prodigy P3 Trailer Brake Controller part # 90195 for you and the error message, "Warning! Output Shortage" can be caused by a few different things. I have listed these for you below:
1. Detects brake output wire shorted to ground. Short during idle condition.
2. Use of some test lights or non-Tekonsha testers can cause this problem.
Therefore, it sounds like there is a short in the usually blue brake output wire that runs from the braking assemblies to the brake controller through the trailer connectors. We do offer new wire part # 10-1-1 which is sold by the foot if you need to replace any sections.
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