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K100-forum.com » Technical, repair and troubleshooting » Electrical » Light telltale malfunction?

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1Back to top Go down   Light telltale malfunction? Empty Light telltale malfunction? Wed Mar 30, 2016 3:59 pm

Bikesmith

Bikesmith
Silver member
Silver member
Hi everyone!
   Thank you all so much for your help with all of the issues on my 1985 K100rs.

   Here's the new issue: The rider's manual says that when I turn on the ignition and test both brakes the rear light telltale should start flashing. But mine just turns off. The manual says that indicates a fault, but all the lights are working perfectly. Is there something I'm missing? The manual is for a 94 and my bike is an 85. Does the telltale on an 85 work differently than a 94? Is there a problem with my bulb monitoring unit? If so, should I even care if all of the lights are working correctly?

  Thanks!


__________________________________________________
Jon
Mechanically competent, electrically perplexed
------------------------------------
1985 BMW K100RS
1959 BMW R60
1942 Chevrolet 3/4-ton Special
1940 Royal Enfield WD/CO
1975 Porsche 911S
    

2Back to top Go down   Light telltale malfunction? Empty Re: Light telltale malfunction? Wed Mar 30, 2016 4:09 pm

92KK 84WW Olaf

avatar
Life time member
Life time member
85 bike won't flash. The flashing was for Ks with ABS and that's not on yours. The red light comes on when you turn on the ignition but does not flash.

The red light goes out after touching the rear and the front brake. If it doesn't go out then a dodgy rear bulb. If it still doesn't go out it's likely to mean dodgy front or rear brake switch. If it stays on like that you will see the brake light only comes on for one and not the other.

Worth getting the right riders manual as they do differ significantly.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

3Back to top Go down   Light telltale malfunction? Empty Re: Light telltale malfunction? Wed Mar 30, 2016 4:10 pm

Avenger GT

Avenger GT
Life time member
Life time member
Nope, that's normal for a 85 bike. The flashy light caper is for later bikes with ABS.

    

4Back to top Go down   Light telltale malfunction? Empty Re: Light telltale malfunction? Wed Mar 30, 2016 4:16 pm

Bikesmith

Bikesmith
Silver member
Silver member
Cool! Thanks guys! One more item crossed off the list. I may actually get to ride this bike someday!


__________________________________________________
Jon
Mechanically competent, electrically perplexed
------------------------------------
1985 BMW K100RS
1959 BMW R60
1942 Chevrolet 3/4-ton Special
1940 Royal Enfield WD/CO
1975 Porsche 911S
    

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