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Thread: License light

  1. #1
    Join Date
    Mar 2017
    Location
    Bluffton, SC
    Posts
    18
    My Cars
    97 BMW 840 ci

    License light

    The right side license is out on my 97 e31. Itís not the bulb. I am assuming it is a bad ground. Anyone have this issue before?

  2. #2
    Join Date
    Aug 2007
    Location
    San Ramon, CA
    Posts
    941
    My Cars
    850Ci, M5, Model-S P85D
    I anticipate it is broken wire in the wiring harness at the trunk hinge pivot point.
    The more the trunk is opened the greater the wiring fatigue.
    Common problem with the E31 as the wiring harness on both sides of the trunk caused excess bending of the individual wires and eventually the wires fatigue and break.
    My 1997 had a licence plate and a tail light out.
    Exposing the individual wires (PITA) in the harness sleeving will show several fatigued and broken wires.
    I spliced in new vinyl insulation wire, that I had on hand, and called it a day.
    Best solution would be to splice in a high strand count wire with silicone insulation.
    Last edited by m6bigdog; 08-06-2020 at 10:07 PM.

  3. #3
    Join Date
    Mar 2017
    Location
    Bluffton, SC
    Posts
    18
    My Cars
    97 BMW 840 ci
    You are correct. Thanks much, I really appreciate it. Thanks again.
    IMG_4842.jpg
    Last edited by Deblo; 08-07-2020 at 10:41 AM.

  4. #4
    Join Date
    Feb 2010
    Location
    Hampshire UK
    Posts
    7,750
    My Cars
    99 840ci Sport Indv
    Here you go:

    https://youtu.be/2mdP5qv7a2Q

    Sent from my SM-G980F using Tapatalk
    Timm..2007 E64 650i Individual Sport..1999 E31 840ci Individual Sport..ex owner of 2000 E38 740..1999 E38 740i V8 M62..1998 E38 735i V8..1993 E32 730i V8..1988 E28 518i


    My BMW Repair YouTube Channel
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  5. #5
    Join Date
    Mar 2017
    Location
    Bluffton, SC
    Posts
    18
    My Cars
    97 BMW 840 ci
    Thank you Timm. I have my weekend project. Cheers!

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