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Old 01-03-2008, 10:23 PM   #1
PNoob
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Join Date: Apr 2007
Location: Atlanta
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My Ride: 328i
Help With Reverse Lights...Fuse Problem?

For the past several days, whenever I start my car, the readout under my speedometer tells me that one of my rear lights is not working. Curious, I check and see that both turn signals, and all four of my brake/running lights are working fine...but not my reverse lights, the bright white ones. So I pull back my trunk lining and examine both driver and passenger side backup lights, and the filaments are fine, wires are not in bad shape or stripped, but the driver side light bulb housing was somewhat corroded. I thought this was the problem so I cleaned out the housing and tried again...with no results. Does anybody have any idea what might be malfunctioning? Because...well, I kinda need my backup lights to tell other people I'm backing up...hahaha. Anyway, thanks in advance. ( I also posted this cry for help at bimmerfest...)
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Old 05-29-2008, 04:16 PM   #2
kaih23
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I have the same problem. I checked the routing of the line and took off the rubber shield that bends into the trunk and I found that all the wires were almost broken and 4 were actually broken. There's no connector, so the only way to fix it is to solder it with 60/40 solder and wrap it with shrink tubing. The prvious owner on my vehicle just wrapped it up with electrical tape, which is very bad. I hope this helps.
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Old 05-29-2008, 06:04 PM   #3
RotaryBzzz
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My Ride: E36 M3 : E46 330i
Quote:
Originally Posted by PNoob View Post
For the past several days, whenever I start my car, the readout under my speedometer tells me that one of my rear lights is not working. Curious, I check and see that both turn signals, and all four of my brake/running lights are working fine...but not my reverse lights, the bright white ones. So I pull back my trunk lining and examine both driver and passenger side backup lights, and the filaments are fine, wires are not in bad shape or stripped, but the driver side light bulb housing was somewhat corroded. I thought this was the problem so I cleaned out the housing and tried again...with no results. Does anybody have any idea what might be malfunctioning? Because...well, I kinda need my backup lights to tell other people I'm backing up...hahaha. Anyway, thanks in advance. ( I also posted this cry for help at bimmerfest...)
it might be your backup light switch. It's like $10 bucks from pelican parts and very easy to change...at least it was for my E36 m3.
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Old 10-17-2009, 12:41 PM   #4
tofupunx
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Location: London area, Ontario
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I have the same problem athought no dash warning lights. Fuses keep blowing (#27 10A). I replaced the transmission switch... still blows the fuse. Looks like it`s wiring harness as I have replaced the backup lights with a spare set I had and still blew the fuse... bulb sockets looked fine anyway. I removed the trunk liner and rubber seals for the wiring harness at the trunk hinge and there`s nothing obvious. How do I use a multimeter to check the ground wire (brown) and the blue and yellow power wire to the light connectors? I am not electrically inclinded.



Quote:
Originally Posted by PNoob View Post
For the past several days, whenever I start my car, the readout under my speedometer tells me that one of my rear lights is not working. Curious, I check and see that both turn signals, and all four of my brake/running lights are working fine...but not my reverse lights, the bright white ones. So I pull back my trunk lining and examine both driver and passenger side backup lights, and the filaments are fine, wires are not in bad shape or stripped, but the driver side light bulb housing was somewhat corroded. I thought this was the problem so I cleaned out the housing and tried again...with no results. Does anybody have any idea what might be malfunctioning? Because...well, I kinda need my backup lights to tell other people I'm backing up...hahaha. Anyway, thanks in advance. ( I also posted this cry for help at bimmerfest...)
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Old 07-19-2011, 10:24 PM   #5
MrBearcat
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Have you found any solution to this. I am having the same problem, my fuses keep blowing. I was thinking it may be related to my DICE installation?
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Old 07-20-2011, 05:41 AM   #6
tofupunx
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Originally Posted by MrBearcat View Post
Have you found any solution to this. I am having the same problem, my fuses keep blowing. I was thinking it may be related to my DICE installation?
It turned out to be pinched/shorted wires in the wiring harness leading to the trunk lid (on the passenger side). This is a know problem area anyway so you may want to check there first. Possibly damaged or at least assisted when the idiots fixed my sub frame as the whole back of the car was taken apart. Sorry I have no other info for you with regards to your problem.
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