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K100-forum.com » Technical, repair and troubleshooting » Electrical » K100 Ignition Switch Replacement

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1Back to top Go down   K100 Ignition Switch Replacement Empty K100 Ignition Switch Replacement Thu Mar 09 2017, 12:45

Gee

Gee
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Greetings Brick Experts!

I've got 1987 K100RS w/90,000 miles on the clock. I'd like to replace the keyed ignition switch with a simple non-BMW switch. Read on another forum awhile back that this can be accomplished by simply tying together the two gray wires, then adding a simple switch between the red and green wires. The result is a lose of the parking lights which I never use anyway.

Has anyone done this and is it not detrimental to the rest of the circuitry???

Thanks all I enjoy the forum,

Gee

    

BobT

BobT
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I have done it without any problems at all.

    

3Back to top Go down   K100 Ignition Switch Replacement Empty Thanks, BobT! Thu Mar 09 2017, 14:32

Gee

Gee
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Thanks for the reply, like many old K owners, I have to do most all of my own wrenching (no shops near me) and am always looking for suitable less expensive options......

Gee

    

BobT

BobT
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The first time I did it I attached the two spare lighting wires together. The second time I bought a whole ignition switch from ebay China that had two contacts, did a bit of soldering and had it working as the original did. 

Here you can see the ignition barrel on the right hand side of the picture next to the power socket and above the voltmeter.

K100 Ignition Switch Replacement Dscn0610

    

92KK 84WW Olaf

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Very nice coil cover!!


__________________________________________________
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
    

6Back to top Go down   K100 Ignition Switch Replacement Empty Success! Mon Mar 13 2017, 15:29

Gee

Gee
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New member
Completed installation of a semi-temporary toggle switch between the red and green wires, mounted to an accessory plug bracket on the factory coil cover. Cut off the factory switch plug and spliced into it's cable. Also tied together the two gray wires.......all worked well as suggested. Future plans are to fabricate a better bracket and install an after-market key switch. 

Thanks for the advice!

Gee   Big thumb

    

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