BMW K bikes (Bricks)

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1Back to top Go down    just saying Hi and having a moan on Sat Oct 17, 2015 10:50 am


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Hi all just saying Hi as a new guy, just got 1985 k100 all seemed okay until i tried to fix the front brake light,found disconnected wire in bridged relay under the tank, reconnected it brake light worked Very Happy BUT ignition lights don't and wont start. The only way i can get it all running is by taking a lead from pos terminal to the top fuse but that by passes ignition switch and kill switch, i tried unplugging the wire that was out ,still no ign light Evil or Very Mad. electrician hopefully coming Monday but would be grateful of any ideas.


2Back to top Go down    Re: just saying Hi and having a moan on Sat Oct 17, 2015 11:18 am

92KK 84WW Olaf

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Life time member
Welcome to the forum.

Don't despair with this but explore this forum and have a further look. Others here are a lot more knowledgeable than me but there is a load of stuff here, interactive wiring diagrams etc.

Open a new thread for your K and then you will have all your info in the one place. Also look on the home page for what to d if you have just bought a K. most of us but not all are our own electricians, that's easy using the forum as your guide. Photo of bike is important, there was a modification in 85 with some significant changes. Early ones have the 7l and 4 l fuel warning lights on the speedo, later have a single 5l. If your petrol tank is bolted down with a single bolt you have the earlier one.

My take is you may have disturbed something under the tank. Maybe as a shot undo what you did and see what happens. Post is up too.

1992 K100LT 0193214 101,000 miles
1984 K100RT 0022575 Baja Red bought 36,000 now 89,150 miles
1997 K1100LT 0188024 58,645 now 64,500miles

3Back to top Go down    Re: just saying Hi and having a moan on Sat Oct 17, 2015 2:15 pm


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Life time member
I'm sure we can help find the problem.

'83 K100 upgraded to K100RS spec
'78 Moto Guzzi 850-T3, '79 Moto Guzzi 850-T3 California,'93 Moto Guzzi 1100ie California,
'03 Suzuki Blandit GSF600SK3 (NFS any more because wifey has claimed it)

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