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Thread: 1993 R100 GSPD wiring nightmare

  1. #1
    g rad
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    1993 R100 GSPD wiring nightmare

    Never started this R100 GS, the previous ownhttps://forums.bmwmoa.org/attachment.php?attachmentid=89836&d=1667803930&thumb=1&stc=1er has this wired into the bike,, I've been unable to get OEM spot light relay to work,,IMG_0430.jpg Don't know what it does

  2. #2
    Liaison 20774's Avatar
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    From a quick search, it appears to be a lighting enhancement for more visibility:

    https://www.amazon.com/Sound-Off-Saf...mg_top?ie=UTF8

    Here's an older thread

    https://forums.bmwmoa.org/showthread...arness-BAT-MAN
    Kurt -- Forum Liaison ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

  3. #3
    Registered User STEVENRANKIN's Avatar
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    Start

    I vaguely remember these units, they turned turn signals into running lights? And perhaps added stop lights?

    Regardless, the first thing I would do if it were my bike if you want to keep it is to check the connections used to cobble it into the BMW wiring harness. T tap connectors and the ilk are pretty poor ways to tie into existing harnesses. They can in time corrode and take the harness out. (LOL, I think I am making my point I don't like these things.)

    These add on enhancements are great so long as they work but can cause a great deal of aggravation when they don't and nine times out of ten, they don't work because of the wiring connections.

    To be honest, and in my opinion, I would take the whole thing out, see if EME has a replacement rear light harness to replace the one the priority lights was wired into. Start back again with stock lights, and perhaps research the newer systems on the market such as wiesner or Admore.

    If you choose to do any wiring additions or add lights into the system, either use good crimp on connections or better yet solder the connections don't use the cheap t taps. Good luck, St.

  4. #4
    For my 93 R100GSPD(and other bikes) I mostly use laminated wiring diagrams. For the 93 GSPD this can be obtained from -

    https://colorwiringdiagrams.com/prod...1993-1994-1995

    https://www.euromotoelectrics.com/pr...90.r100gsr.htm

    A repair / service manual for the R100GS can be downloaded from -

    https://www.lamaneta.org/manuales/ma...les%205555.pdf

    https://www.manualslib.com/manual/13...-R-100-Gs.html

  5. #5
    Liaison 20774's Avatar
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    For troubleshooting the specific add-on, 98Lee had a good link in the other thread to the installation instructions:

    https://www.soundoffrec.com/docs/rqt...0ov1fqlqm9.pdf
    Kurt -- Forum Liaison ---> Resources and Links Thread <---
    '78 R100/7 & '69 R69S & '52 R25/2
    mine-ineye-deatheah-pielayah-jooa-kalayus. oolah-minane-hay-meeriah-kal-oyus-algay-a-thaykin', buddy!

  6. #6
    Registered User STEVENRANKIN's Avatar
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    Any luck

    So any luck on fixing the problem? St.

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