charging problem

[dickster]

Hi,
Can anyone point me in the right direction? my R100GS charging light comes on @ 4250 RPM,irrespictive of lights,bar grips or anything else ON or OFF.as soon as you back off to under 4250 or 4000 RPM the charging light goes out.
Any help would be greatly aprecited - trying to get the bike ready for the Stella 2010,many thanks

 

[MickDB1]

if you have a multi-meter clip it on the battery and check the voltage as you run the bike through the rev range
Might be a dodgy connection
you will have to go through it systematically
start with the cheapest
I have a spare diode board if you need one to test
See you at Bardonechia in July

 

[Rob Farmer]

Is this a new problem or has it always done it?