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4-Pole Trailer Wiring Harness for 2013 Toyota Venza  


Im getting 12VDC at all outputs of the module all the time! Module is 5 years old not much usage testing done with no trailer attached. Is this a bad module?


Expert Reply:

We offer three brands of 4-pole wiring for your car, all shown on the linked page, and the one I suggest based on reliability is the Tekonsha # 118482. An install on a Venza is shown in the linked video.

If your Venza's 4-pole trailer harness shows 12V output on all three circuits all the time then the module has failed. The output circuits should have voltage only when the stop/turn/tail light functions are activated on the car.

expert reply by:
Adam R

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