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Thread: Help diagnosing rear lights

  1. #1
    Join Date
    Apr 2018
    Location
    Europe
    Posts
    5
    My Cars
    2001 BMW E39 Touring

    Lightbulb Help diagnosing rear lights

    Hi. I just bought this Touring som 2001. I have a problem with the rear lights. Bulbs are ok. I need some help to why my rear lights are not coming on. Look at my photo. Thanks in advance

    Rear lights not working
    3rd brake light not working. The other 2 brake lights work fine
    There are dimm red lights, i think these are parking lights? (see photo)
    Reverse lights works on the left side. Right side does not
    Blinkers are ok
    All front lights are ok
    Rear fog lights are ok
    In the car it says "check number plate lights" - these work fine
    Rear wiper og sprinkler are ok

    https://imgur.com/a/P7Bu7

  2. #2
    Join Date
    Jan 2016
    Location
    Ca
    Posts
    6,981
    My Cars
    2001 525it
    Anything not working correctly in the hatch I would check the wiring harness coming from the body into the hatch, look for broken wires

  3. #3
    Join Date
    Apr 2018
    Location
    Europe
    Posts
    5
    My Cars
    2001 BMW E39 Touring
    Thank you. I have ordered a "thunk-repair-harness". I'll try that next
    https://www.youtube.com/watch?v=nO0au9K1kYc

  4. #4
    Join Date
    Mar 2016
    Location
    Hertfordshire
    Posts
    68
    My Cars
    e61 touring RIP e39 wagn
    I had rear wiper issues and it was broken wires in hatch loom .

    Now have an e61 and have ⚠️ warnings on dash about lamps , but in my case they are working . I assume someone has jumped the loom over to the bulb that wasn’t working .
    I also will be doing a loom repair in the summer months .

  5. #5
    Join Date
    Jul 2016
    Location
    saratoga ca
    Posts
    114
    My Cars
    2001 525i Touring
    Quote Originally Posted by mainframe51 View Post
    Thank you. I have ordered a "thunk-repair-harness". I'll try that next
    https://www.youtube.com/watch?v=nO0au9K1kYc

    can you post a link to the harness you bought?

  6. #6
    Join Date
    Apr 2018
    Location
    Europe
    Posts
    5
    My Cars
    2001 BMW E39 Touring
    Quote Originally Posted by ghostbutts View Post
    can you post a link to the harness you bought?
    Yes. Click on the danish flag to change language.
    https://www.schmiedmann.dk/da/produk...kt=SCM2016039T

  7. #7
    Join Date
    Jul 2016
    Location
    saratoga ca
    Posts
    114
    My Cars
    2001 525i Touring
    Please, when you go through the procedure, take pictures and do a DIY. I just noticed that my hatch light (inside on the lower trim) has gone out and its not the bulb. The wires dont seem to be getting power and I'm afraid this one might be only the beginning.

  8. #8
    Join Date
    Apr 2018
    Location
    Europe
    Posts
    5
    My Cars
    2001 BMW E39 Touring
    Okay so an update.
    The repair kit i ordered does not fit my car. It's missing 1 wire on the left side and 5 on right. I did change left side because there were broken wires. I added one wire. All lights are now working.
    Now i have a new problem though.
    My keyfob does not work. I cant lock and unlock the car on the key. Well on both my keys. Both are charged. And i can't open the thunk. I can hear the motor releasing when i press the trunk-release-button in the cabin. but its not opening.
    Any ideas?

    Quote Originally Posted by ghostbutts View Post
    Please, when you go through the procedure, take pictures and do a DIY. I just noticed that my hatch light (inside on the lower trim) has gone out and its not the bulb. The wires dont seem to be getting power and I'm afraid this one might be only the beginning.
    Sorry did not take pictures. There are a lot of trim to remove. Then i just took one wire at a time.

  9. #9
    Join Date
    Apr 2018
    Location
    Europe
    Posts
    5
    My Cars
    2001 BMW E39 Touring
    Update. A fuse for the central locking were blown (located by the battery). And the keys were not working because I had the battery disconnected shortly. Apparently you need to reactivate them. Now everything is in order again

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