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-   -   Licence plate light yet again (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/115946-licence-plate-light-yet-again.html)

Bmwe5320023.0 09-30-2024 07:01 AM

Licence plate light yet again
 
My right light doesn't work, but the left one works.
I tried changing bulbs, and changed that piece that holds the licence plate lights. I changed at least 3 of them, no luck.

So I thought it was a bad lcm.
https://i.ibb.co/nQVK8Cw/Screenshot-...825-Chrome.jpg

Looking at the pin out, pin 5 is for left light, and pin 12 is for the right light.

So I disconnected X12 connector, turned on my parking lights, and checked voltage on the LCM. Pin 12 is supplying 12 volts, and pin 5 is supplying nothing.
How's that possible, shouldn't they both supply 12 volts?
Swapped lcm, same issue!
Next will be a continuity test...
I dont understand why I'm not getting the same voltage on pin 5 and pin 12

Bmwe5320023.0 09-30-2024 07:08 AM

Hmmm with the car running both pins 5 and 12 are giving 12 volts.

Bmwe5320023.0 10-05-2024 10:10 PM

Fixed it. The problem was a broken wire under the floor mat lol!


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