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trailer wiring

  1. SSSimon

    Tow pack wiring harness

    Does the Tesla tow pack wiring include a bypass relay or module to ensure that any trailer wiring faults do not impact the vehicle lights? I've only seen a picture of the trailer plug wiring harness and could not spot any 'black box' included in the wiring harness. This raised quite a few...
    • SSSimon
    • Thread
    • bypass relay tow package wiring trailer fault affecting vehicle trailer wiring
    • Replies: 2
    • Forum: Model X
  2. ShawnA

    Tesla stopped supplying 12V power to the aux pin of the 7 way - Fixed!!!

    Hello to Model X owners with Model X manufactured on or after March 6, 2018 and no power to the aux pin of the 7 way trailer connector, I purchased a Model X-100D on February 2, 2018 for delivery March 22 of 2018. I was fortunate that with a build date of March 6, 2018 I got the new MCU...
    • ShawnA
    • Thread
    • 7 pin trailer aux 12v power Driving Dynamics model x march 2018 and later teknosha prodigy tekonsha prodigy trailer wiring
    • Replies: 79
    • Forum: Model X
  3. Beta V

    Convert SAE J560 7-pin to 4-pin trailer wiring

    I want to hook up a trailer which has a 4-pin connector on the wiring to my Tesla Model X's 7-pin (SAE J560) connector. I see an adaptor on Amazon. Would this work or is it the wrong gender? Is there a better solution...
    • Beta V
    • Thread
    • sae j560 trailer wiring
    • Replies: 5
    • Forum: Model X
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