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Blowing fuse when backing up boat trailer.

Discussion in 'General Tundra Discussion' started by Jekilpat, Mar 12, 2021.

  1. Mar 12, 2021 at 7:12 AM
    #1
    Jekilpat

    Jekilpat [OP] New Member

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    Oct 1, 2020
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    2016 TRD
    First problem was with the truck side of 7 pin connector. Center pin wire had no power. So I spliced into the reverse lamps wiring. Seemed to work fine for a while. But now I blow a fuse every time I back my boat trailer up. (surge brakes, so using back up lamp circuit to energize reversing solenoid on trailer). I also now notice that when checking my truck's 7 pin connector that the center pin has continuity with truck ground (dead short ?). When this 10 amp fuse (driver side cabin fuse box) blows, it kills my backup camera, back up lights, and throws a loss of traction control alarm.
    I'm guessing that I first need to trace back my original center pin wiring to see why it has no power. Is this a separate circuit or shared with the truck's back up lamps???

    Any help would be appreciated.

    Thanks.
    (I also posted this under towing and hauling)
     
  2. Mar 12, 2021 at 7:27 AM
    #2
    BravoDeltaRomeo

    BravoDeltaRomeo Old Man Little Blue Finger

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    MB Canada
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    2019 Cavalry Blue Tundra CM
    You do NOT need to spam the same question in multiple threads.
     

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