Moderator: JimVonBaden
Shane R1100GS wrote:It's sounds like the rotor. You need to slide a piece of paper under the brushes and check with a ohm meter. It should be some where between 3 ohms and 7 ohms.
Shane
Genen8kua wrote:Hmm, so I guess the rotor hypothesis is rising; if I'm understanding this well, the current path when the bulb (properly) lights brightly runs through the rotor. This also magnetizes the rotor, and (I just read) if there's no bulb current, charging can be hit or miss. Wouldn't it be lucky to have a problem with the idiot light circuit causing this? This page has a nice description of how the idiot light works and how, if the rotor is bad, there's only a much higher impedance path to ground and the bulb will be dim. Corrosion or a semiconductor problem could explain the delay in the light: someting might need to heat up, or you could have the equivalent of a time constant circuit (resistor in series with a capacitor) that introduces a delay.
Here's an offer: I'm on the fence re: the breakfast ride to Nokesville. I'm PMing my cell phone # to you and Shane. If you make arrangements re: the rotor, I'll move off the fence and plan to go. I'll be at Bob's open house later this morning, at That's Dancing at Route 1 and Guilford tonight & could likely meet up with Shane some other time today (I'm in Ellicott City, Shane's in Laurel) and relay the rotor to you tomorrow morning.
BTW, didn't mean to insult your 'lectrical knowledge - I'm pretty good with such stuff, but took your problem as an opportunity to help fill my own knowledge deficit about charging systems. In the past I've started to help someone through a trouble shooting process and have had eyes glaze over. Listen to Shane, he seems to have been there.
Gene
Georgeinva wrote:Before you waste any money "fixing" the charging system take a look at this. http://www.euromotoelectrics.com/produc ... altkit.htm It is not a quick or easy fix but you will never have to worry about the charging system again.
Shane R1100GS wrote:Make sure you didn't pull a throttle cable out of it's holder on the carb.
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