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Thread: Rear license plate light holder corrosion

  1. #1
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    Rear license plate light holder corrosion

    Folks,

    I happened to notice this evening that my passenger side license plate light was out so I popped open the cover and swapped the lights (hoping it was just a bad light) but it seems that the holder is corroded so bad that the light is unable to make proper contact (green stuff all over it). I also checked with a volt-meter and seemed to be getting around 3V-4V. I tried scraping with a flat-head screw driver, hoping to clear out the gunk, but no such luck.

    Has anybody else faced this issue? I searched around on google and it seems that people either had to replace the whole assembly (which needs painting etc) or some had luck using a nail file and sand paper etc and cleaned out the contacts. Any tips would be greatly appreciated!
    anandoc

    2004 330i auto | ZPP, ZCW | Schwarz 2 (668) | schwarz (N6SW)

    aFe Stage-1 Pro DRY S intake | Morimoto FX-R 3.0 retrofit | ///M3 Seats (power, heat, bolster adj.) | ///M3 Strut Brace | ///M3 SMG Steering Wheel retrofit | OEM Alarm retrofit | GROM USB | Khoalty angel eyes


  2. #2
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    i dealt with this on mine. it was really only bad on one side - i ended up removing the entire light/trunk release assembly, and rewiring the entire thing. plus, my passenger side bulb contact points where so bad that i ended up making new ones. i don't have any pics but i'll see if i can grab some.
    peter

    2018 Subaru BRZ RS 6MT

    2015 VW Golf TSI Comfortline 5MT

  3. #3
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    Quote Originally Posted by slater View Post
    i dealt with this on mine. it was really only bad on one side - i ended up removing the entire light/trunk release assembly, and rewiring the entire thing. plus, my passenger side bulb contact points where so bad that i ended up making new ones. i don't have any pics but i'll see if i can grab some.
    Thanks Peter. Any pics/guide that you may have would be very helpful.

    In addition to this last evening I discovered that my front driver's side rotor is heating up a lot more than any of the other three rotors...which means I may have a slightly sticky caliper. The car tracks straight and I don't hear any noise. Argh...perfect timing for these issues to crop up
    anandoc

    2004 330i auto | ZPP, ZCW | Schwarz 2 (668) | schwarz (N6SW)

    aFe Stage-1 Pro DRY S intake | Morimoto FX-R 3.0 retrofit | ///M3 Seats (power, heat, bolster adj.) | ///M3 Strut Brace | ///M3 SMG Steering Wheel retrofit | OEM Alarm retrofit | GROM USB | Khoalty angel eyes


  4. #4
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    I jerry rigged the wiring on my corroded one. Still trying to source a used replacement.
    I think there are pics in my project thread.



    Thumbs, iPhone, TaT.

  5. #5
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    Quote Originally Posted by anandoc View Post
    Thanks Peter. Any pics/guide that you may have would be very helpful.

    In addition to this last evening I discovered that my front driver's side rotor is heating up a lot more than any of the other three rotors...which means I may have a slightly sticky caliper. The car tracks straight and I don't hear any noise. Argh...perfect timing for these issues to crop up
    yes, actually, and shawn's post below helped me to remember where i put the 'notes': http://www.zhpmafia.com/forums/showt...405#post377405

    check your caliper guide pins first - they may just need cleaning and re-lubing. always a good thing to do at least once or twice a year.


    Quote Originally Posted by ELCID86 View Post
    I jerry rigged the wiring on my corroded one. Still trying to source a used replacement.
    I think there are pics in my project thread.
    there are, indeed! lots! thanks shawn, i put my notes in your thread as well.

    peter
    peter

    2018 Subaru BRZ RS 6MT

    2015 VW Golf TSI Comfortline 5MT

  6. #6
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    Quote Originally Posted by slater View Post
    yes, actually, and shawn's post below helped me to remember where i put the 'notes': http://www.zhpmafia.com/forums/showt...405#post377405

    check your caliper guide pins first - they may just need cleaning and re-lubing. always a good thing to do at least once or twice a year.




    there are, indeed! lots! thanks shawn, i put my notes in your thread as well.

    peter
    Thanks for the reminder!


    Thumbs, iPhone, TaT.

  7. #7
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    Thanks Shawn and Peter! You guys rock!!
    anandoc

    2004 330i auto | ZPP, ZCW | Schwarz 2 (668) | schwarz (N6SW)

    aFe Stage-1 Pro DRY S intake | Morimoto FX-R 3.0 retrofit | ///M3 Seats (power, heat, bolster adj.) | ///M3 Strut Brace | ///M3 SMG Steering Wheel retrofit | OEM Alarm retrofit | GROM USB | Khoalty angel eyes


  8. #8
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    Make sure to replace the trim piece gasket as that's where the water leaks from. I had similar issues where my license plate lights were wet and found the source.


    Sent from my iPhone using Tapatalk

  9. #9
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    Quote Originally Posted by derbo View Post
    Make sure to replace the trim piece gasket as that's where the water leaks from. I had similar issues where my license plate lights were wet and found the source.


    Sent from my iPhone using Tapatalk
    The gasket?

  10. #10
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    Quote Originally Posted by ELCID86 View Post
    The gasket?
    Yea that big ole plastic gasket.

    #14




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