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Old 06-15-2015, 06:55 AM   #1
me3 OP
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Post '92 switchgear on '88 R100GS

Does anyone know if



Is a physical (not electrical) fit to replace



I would very much like to swap the later indicator controls.
Wiring is the easy bit.

Paul
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Old 06-15-2015, 10:35 AM   #2
Rob Farmer
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There's a bit more to it than just plugging in. The wiring harness is completely different as is the indicator relay. You could chop the wiring about and get the indicators to energise but they need a pulse to ground to stop them flashing so if you get get a ground with the indicator in the centre position it would work

You would also need the earlier clutch lever mount to get the switchgear to fit.

Just get used to what you have. I much prefer the later style to those fiddly left thumb controls.
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Old 06-15-2015, 12:46 PM   #3
Mark Manley
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As Rob says you have to change both brake and clutch lever mountings, including master cylinder as BMW thoughtfully made them slightly different preventing an easy swop. If you are still using the original '88 headlight you will also struggle to get those large connector blocks into it.
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Old 06-15-2015, 07:03 PM   #4
AntonLargiader
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[QUOTE=me3;27001673]Does anyone know if [ ] Is a physical (not electrical) fit to replace [ ].

Yes, I know that it isn't; the switches mount differently to the control housings. You will have to replace the control housings, THEN it will bolt up. And then you can wire in the later turn signal controls.

Post your results. I wish my '88 had the later controls, too. Personally I'd investigate adapting an R100R harness to the bike.
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Old 06-15-2015, 09:45 PM   #5
me3 OP
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Quote:
Originally Posted by Mark Manley View Post
As Rob says you have to change both brake and clutch lever mountings, including master cylinder as BMW thoughtfully made them slightly different preventing an easy swop. If you are still using the original '88 headlight you will also struggle to get those large connector blocks into it.
Wiring is easy - making a new loom around motogadget M-unit. It likes pulse controls.

Physical is more of a challenge.

Switchgear must mount to lever mounts
Lever mounts must mount to master cylinder
Master cylinder must match brakes

Hrrm - A nasty puzzle.
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Old 06-16-2015, 07:14 AM   #6
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Quote:
Originally Posted by AntonLargiader View Post
Post your results. I wish my '88 had the later controls, too. Personally I'd investigate adapting an R100R harness to the bike.
Boom-- brilliant. That's the angle i never thought of when i scoped out this subject a few years back.

Brand new R harness from Max is only $100 and change more than i paid for a new G/S harness 15 years ago. Not bad at all.
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