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Topfmine
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Joined: 09/10/2017
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Can anyone tell me if the light beam switch on BMW motorcycles, cable operated on the handlebars to a switch in the headlamp bucket just works the high and low beam on the headlamp, I assume a two way switch or does it do more and turn the lights on and off as well as high and low beam. To do the latter what type of switch is needed.

wa1nca
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VBMWMO #8374
Ashfield Ma.
Joined: 09/27/2012
Posts: 563
What year and model #

Topfmine wrote:

Can anyone tell me if the light beam switch on BMW motorcycles, cable operated on the handlebars to a switch in the headlamp bucket just works the high and low beam on the headlamp, I assume a two way switch or does it do more and turn the lights on and off as well as high and low beam. To do the latter what type of switch is needed.

From at least 1950-1969 the high/low beam switch also worked the horn

Tommy

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Tommy Byrnes
54 R51/3 55 R50 64 R27 68 R69US 68 Sears Allstate 250 (Puch)

Ian R11
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VBMWMO #8148
Yorkshire uk
Joined: 10/22/2011
Posts: 206
Not sure which model exactly

Not sure which model exactly you refer to, maybe your R71? The early bikes, R52/62/11/12 and R71? etc have a low beam/high beam toggle switch operated by cable as you describe. The headlamp and side lamp is turned on by a separate switch on the rear of the headlamp or as R12 and most later bikes by a key in the top of the headlamp.
The headlight should have a switch fitted into the top for the key. They are available.

Topfmine
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Many thank for your replies.

Many thank for your replies. This is the switch that should operate the horn and the high and low beam. As for the horn i assume there is one wire from the horn to the bucket, the earth through the handle bars to chassis. A switch on the back of the headlight bucket or part of the ignition key. What does this early switch look like?

  • bmw_switch.jpg
Topfmine
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How is the horn cable

How is the horn cable correctly wired in place around the handle bars to the bike loom and horn, is there a certain correct way.

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