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Thread: 2004 R1150RT Weird Electrical Problems

  1. #1
    Ridesalot
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    2004 R1150RT Weird Electrical Problems

    I am posting this for my friend and it is a weird one (the problem not the friend!)

    Rode home from work on monday nite shut bike off 2 hours later went for milk run
    bike started no problem.....

    no head light, no fog lights , windshield won't go up or down, no horn , no turn signals
    no flashers............but the bike starts and runs FINE!!!!!!!!!!

    we checked fuses horn fuse blown.... replace no horn

    no more fuses blown
    checked relays all work
    checked main electrical box .............. did not remove ............ no burnt smell looked with a
    mirror no burnt wires

    he has ordered a Hayes manual for wiring diagrams ........... later this week

    are we missing a master fuse or something ?

    thanks in advance for your help

    Ridesalot
    2005 K1200LT

  2. #2
    Registered User kgadley01's Avatar
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    You've got yourself a real puzzle. no lights, no blinkers, yet the bike runs. I'm real interested in how this turns out. good luck...
    AKA SNAPGADGET
    Lifes too short to ride an ugly Motorcycle

  3. #3
    haughty
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    OK I will bite and maybe someone can chime in here.
    Ignition key area?
    I remember having a vehicle (not MC) and having almost the exact thing happen.
    Engine fine,, but all other things that were dependent on ignition on position were dead. -radio/turn signals/wipers/gauges- anything pertaining to power- ignition on..

    Later found out the key cylinder/switch had a short.

    worth looking at and might be a good place to start.

    any other ideas?

  4. #4
    Registered User bluegrasspicker's Avatar
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    Just had the exact problem recently tell him to check the load relief relay, ( the one that turns everything else off when he starts the bike.

    He can test that ( and ride until he gets another relay) by swapping it with the horn relay.

  5. #5
    Ridesalot
    Guest
    Quote Originally Posted by BluegrassPicker View Post
    Just had the exact problem recently tell him to check the load relief relay, ( the one that turns everything else off when he starts the bike.

    He can test that ( and ride until he gets another relay) by swapping it with the horn relay.


    WHOOO HOOO YOU DE MAN

    SWAPPED OUT THE HORN RELAY FOR THE LOAD RELIEF RELAY AND IT'S A GO !!!!!!

    GREAT JOB THANKS A MILLION

    I WILL MAKE HIM BUY YOU A BREW AT THE PENN RALLY (AS HE WON'T BE IN OREGON THIS YEAR )


  6. #6
    Registered User kgadley01's Avatar
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    Congratulations... we all learned something.
    AKA SNAPGADGET
    Lifes too short to ride an ugly Motorcycle

  7. #7
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    You just never know what you're gonna learn here !
    '03 R1150R, '03 F650GS, '97DR200SE,'78 Honda CT-90, '77Honda CT-90

  8. #8
    Registered User bluegrasspicker's Avatar
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    Quote Originally Posted by Ridesalot View Post

    WHOOO HOOO YOU DE MAN

    SWAPPED OUT THE HORN RELAY FOR THE LOAD RELIEF RELAY AND IT'S A GO !!!!!!

    GREAT JOB THANKS A MILLION

    I WILL MAKE HIM BUY YOU A BREW AT THE PENN RALLY (AS HE WON'T BE IN OREGON THIS YEAR )

    That is great! I learned it from Keith on SportTouring forum. Glad to be able to pass it on! LIFE IS GOOD!

  9. #9
    Registered User DPeakMD's Avatar
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    Just had this exact problem happen while underway on '04 RT

    Suddenly lost: Hi&Lo beams, fogs, turn signals, dash lights, horn, windscreen, heated grips

    Unaffected: parking light, brake lights, entire RID display and backlight, neutral/ABS/general/voltage warning lights

    The bike was running at the time and continued to start and run just fine. The starter/kill switch functioned normally. The brakes/ABS were fine.

    All fuses checked OK. I suspected this wasn't a fuse problem and went right to the relays.

    The yellow "Load Relief Relay" showed a discolored brownish burned appearance.

    Switched it with the other yellow relay and the lights and everything came back. (Not sure what the other yellow relay controls which is listed as "not in use on some models, lighting relay (when in use)" per Haynes manual.

    BMW part# "61.36-6 902 041" marked on the side of the relay along with Tyco and what is apparently their part #.



    Local dealer had one in stock when I gave the BMW Part #.
    Dallas
    2011 R1200GS Adventure
    Smoke Grey Metallic Matt

  10. #10
    Registered User DPeakMD's Avatar
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    Quote Originally Posted by brewmeister View Post
    How much please?? Thanks.
    We'll find out tomorrow. I think it's < $20.

    BTW. The other relay turned out to be the fog lights on the RT.
    Dallas
    2011 R1200GS Adventure
    Smoke Grey Metallic Matt

  11. #11
    Registered User Olsensan's Avatar
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    Wow! This is definitely something good to know!

  12. #12
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    I had the same thing happen to me on my 02 RT about a year ago,It was that relay and it was about 20 dollars.

  13. #13
    They call me Gort scootrp125x's Avatar
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    location?

    Where is the Load Relief Relay located on the bike in case I need to look for it someday...thanks in advance.

    Mark
    04 R1150RT

  14. #14
    Registered User awagnon's Avatar
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    Same thing happened to me riding at night in the rain. I was afraid to stop the bike for fear it wouldn't start again. I rode home in stealth mode. First thing I checked was the load relief relay. It just came out in my hand. Pushed it back in and bingo, all was happy again. I have no idea what caused it to come loose. I should have tried repairing it on the road, but like I said, I wasn't entirely sure I'd get it going again if that wasn't the problem.
    Al - Ogden, Utah
    Boxer bikes, boxer dogs, and letterboxing.
    2004 1150GS
    2006 Boxer dog (Paisley)

  15. #15
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    It is located in the fuse box.

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