charging light T5 |
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Jim Mac
Moderator Group Joined: 14 May 2014 Location: Edinburgh Status: Offline Points: 3202 |
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Posted: 21 Sep 2014 at 18:10 |
I was working on the T5 to check it over for MOT, hasnt been used since i got the Norge in May
Started it up and noticed the charging light was staying on. Checked the battery with a meter - definately charging ok. Switched bike off and back on - no charging light bust as soon as i started it up charging light came on. What first to check ? |
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V85 TT Trzvel BMW R45
Too old to die young |
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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Is it a Bosch alternator Jim? With brushes and slip rings?
What voltage did you get at the battery when the engine was running?
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Brian.
Better 5 minutes late in this world than years early in the next. |
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Jim Mac
Moderator Group Joined: 14 May 2014 Location: Edinburgh Status: Offline Points: 3202 |
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Its a bosch,oringinal from 1986, getting 12.4 at tickover rising to 13.8 at 2000rpm
The light is very low at tickover, brightens up when revving and real bright ifbyou put the brake on Edited by Jim Mac - 21 Sep 2014 at 19:35 |
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V85 TT Trzvel BMW R45
Too old to die young |
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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Check all connections on the rectifier are good and clean, sounds like an earth connection is poor.
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Brian.
Better 5 minutes late in this world than years early in the next. |
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Mike H
Senior Member Joined: 21 May 2014 Location: East Anglia Status: Offline Points: 8733 |
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Also look at brushes and slip rings, and alternator connectors. Yeah yeah I know how it looks like it's charging BUT .....
Edit: a clue is in the fact that you left it for a while, so suspect oxidised connector(s) etc. Edited by Mike H - 22 Sep 2014 at 20:45 |
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"Chicken nuggets don't dance on a Tuesday."
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Jim Mac
Moderator Group Joined: 14 May 2014 Location: Edinburgh Status: Offline Points: 3202 |
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All clean and tight in the alternator. When engine is running if i pull handbrake and foot on fbrake at same time, neutral light comes on and volt gauge starts working ?
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V85 TT Trzvel BMW R45
Too old to die young |
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Mike H
Senior Member Joined: 21 May 2014 Location: East Anglia Status: Offline Points: 8733 |
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Ah sounds more like you got a bad earth connection for the instruments area?
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"Chicken nuggets don't dance on a Tuesday."
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Jim Mac
Moderator Group Joined: 14 May 2014 Location: Edinburgh Status: Offline Points: 3202 |
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Trackd it to a dirty connection on the fascia, all njow bacvk to normal. Just need to ride it each week now to stop it getting in a huff
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V85 TT Trzvel BMW R45
Too old to die young |
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Brian UK
Moderator Group Joined: 13 May 2014 Location: Surrey Status: Offline Points: 17641 |
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Just sorted a starting issue on the Norge by soldering a crimped joint.
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Brian.
Better 5 minutes late in this world than years early in the next. |
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Mike H
Senior Member Joined: 21 May 2014 Location: East Anglia Status: Offline Points: 8733 |
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That'll do it, I had similar weirdness last year when I put the rebuilt dash console on but forgot to earth it.
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"Chicken nuggets don't dance on a Tuesday."
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Mike H
Senior Member Joined: 21 May 2014 Location: East Anglia Status: Offline Points: 8733 |
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Test.
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"Chicken nuggets don't dance on a Tuesday."
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