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Hello help with Ignition switch plate BMW R50s
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- Posts: 7
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Hello help with Ignition switch plate BMW R50s
The two brown wires,
The green wire,
The gray wire and
The yellow with a red line wire.
thanks
Marco
BMW R50S 1961
BMW R5 1937
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Re: Hello help with Ignition switch plate BMW R50s
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- Posts: 81
- Joined: Sun Oct 13, 2019 2:47 pm
Re: Hello help with Ignition switch plate BMW R50s
- schrader7032
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Re: Hello help with Ignition switch plate BMW R50s
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
- jwonder
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Re: Hello help with Ignition switch plate BMW R50s
Since you have an repop/aftermarket board the factory wire colors will most likely not match the BMW diagram. Write the wire colors and what number lug/solder point they go to and save it in the R50S folder.
I always use paint to fill in the numbers so I can see them when it is mounted upside down.
By the way I am almost done with my full restoration of an R50S and if you need anything let me know. You can email me at webmaster@vintagebmw.org
Vice President, Vintage BMW Motorcycle Owners
2022 BMW Friend Of the Marque
Long Island, New York
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Re: Hello help with Ignition switch plate BMW R50s
31 Brown
30/51 Grey
15/54 Green
56 Yellow/Red
Regards,
Marco A.
BMW R50S 1961
BMW R5 1937
- schrader7032
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Re: Hello help with Ignition switch plate BMW R50s
31 should have multiple brown wires going to 31 on the generator, a junction connector to the rear lights, and to terminal 31 at the headlights
15/54 should have multiple wires going to 15 on indicator flasher, to a connection for the neutral/gen light in the headlight shell, and to a terminal on the horn
56 should have a couple of wires going to 56 on the highbeam/horn switch and to the speedometer indicator light
My DC circuit skills are so-so, but that is what I see in my book.
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
- wa1nca
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Re: Hello help with Ignition switch plate BMW R50s
green is same as 15/54
terminal 15/54 provides power to horn/brake light switch/flasher unit
green wire to center terminal of red/green indicator bulbs
yellow/red # 56 terminal to headlight switch power for high/low headlight beam
grey wire #58 tail light and small running light in headlight and speedo bulb (same as screw terminal next to it)
brown #31 ground large brown to #31 ground on generator/ground in headlight shell
one brown not used
54 R51/3, 55 R50/Velorex 560 sidecar, 64 R27, 68 R69US, 75 R75/6
Ashfield, Ma
USA