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Troubleshooting a Tekonsha Powertrac Brake Controller # 39523


my tekosha xp green light doesnt illuminate when i hook up any of my three trailers. i have 12 vdc across the ground pin 7:00 position and the brake controller pin 5:00 position. do i need a new controller?


Expert Reply:

There should not be 12 volts coming out of your ground terminal (7:00) on your vehicle connector. That sounds like where your problem is located. It sounds as if the 12 volt accessory that should be in the 2:00 position of your connector has been mistakenly wired to your ground circuit.

I attached a picture of how the connector on your tow vehicle should be wired by function for you to check out. I also attached an FAQ page on trailer wiring that you might find helpful.

click to enlarge
expert reply by:
Jameson C

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