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Need help with a weird lighting issue

Discussion in 'Ask An Owner Operator' started by Antonovich, Sep 16, 2020.

Page 3 of 3
  1. Sep 17, 2020 #21
    Antonovich

    Antonovich Light Load Member

    143
    96
    May 11, 2019
    0
    Yes, I flipped them around, cleaned the connector socket, makes no difference - they work but my dash signal gets stuck on, so in turn I'm guessing the trailer lights would also get stuck on.
     
    Antonovich, Sep 17, 2020
    Antonovich, Sep 17, 2020
    #21
    daf105paccar Thanks this.
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  3. Sep 17, 2020 #22
    daf105paccar

    daf105paccar Road Train Member

    6,564
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    Apr 15, 2012
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    Do they work if you put both the LED and the bulb?
     
    daf105paccar, Sep 17, 2020
    daf105paccar, Sep 17, 2020
    #22
  4. Sep 17, 2020 #23
    Antonovich

    Antonovich Light Load Member

    143
    96
    May 11, 2019
    0
    Tried it. The lights both flash as normal but the LED side gets the stuck dash indicator.
     
    Antonovich, Sep 17, 2020
    Antonovich, Sep 17, 2020
    #23
    daf105paccar Thanks this.
  5. Sep 18, 2020 #24
    nerd_sniped

    nerd_sniped Bobtail Member

    3
    3
    Sep 17, 2020
    0
    Did you try LEDs in front and regular lamps in the rear?

    I hate to sound like a broken record, but this still sounds like a low current / flasher issue. The fact that having the LED lamp and having a missing bulb up front produces the same behavior indicates this.

    Here is a super common work around for this problem: https://www.amazon.com/Yorkim-Resistors-Festoon-Message-Cancellor/dp/B07KS6KMYG

    The kit is a four pack...but...it sounds like you may only need a pair for your front lamps. Doing this would negate the efficiency improvement of LED on your system (the load resistors work because they draw as much current as an incandescent)...but shouldn't affect the life of the LED bulb. The other thing to think about is sealing. A cut splice like this is a new potential failure point for your harness. However you seal it...seal it like you mean it. LOL
     
    nerd_sniped, Sep 18, 2020
    nerd_sniped, Sep 18, 2020
    #24
    Antonovich Thanks this.
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