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Thread: Bad tail lamp blowing fuse: Solved

  1. #1
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    Bad tail lamp blowing fuse: Solved

    I've had my left side lights out for the longest time. Fuse 33 would blow over and over. It wasn't the bulbs and it wasn't the wiring, so I just didn't drive the car at night. Today I got some free time and unplugged my left tail light and put in a new fuse. It didn't blow so I knew the problem was in the lamp. Turns out the inner tail light (not brake light) bus bar was loose and swiveled down to contact the grounding bus bar. I wrapped both bars in electrical tape where they were coming in contact and now I can drive the car at night again.

  2. #2
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    Gotta love small easy fixes.

  3. #3
    Join Date
    Jul 2011
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    Austin, TX
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    S54 E36 M3, E32 740il
    Quote Originally Posted by weedshoes View Post
    I've had my left side lights out for the longest time. Fuse 33 would blow over and over. It wasn't the bulbs and it wasn't the wiring, so I just didn't drive the car at night. Today I got some free time and unplugged my left tail light and put in a new fuse. It didn't blow so I knew the problem was in the lamp. Turns out the inner tail light (not brake light) bus bar was loose and swiveled down to contact the grounding bus bar. I wrapped both bars in electrical tape where they were coming in contact and now I can drive the car at night again.
    I had this problem forever - just went away on its own one day. I guess I know where to look now if it ever comes back. Thanks!

    -Josh: 1998 S54 E36 M3/4/6 with most of the easy stuff and most of the hard stuff. At least twice. 271k miles. 1994 E32 740il with nothing but some MPars. 93k miles.

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