colbox
L plate rider.
Posts: 41 
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Post by colbox on Aug 11, 2020 18:25:03 GMT 1
Hi
I have 350lc. 4lo
with a new battery kept on C -TECK charger
was out last night and the bike had no electrics
but started ok and ran fine
on the way home the lights were very dim and would fluctuate
I assume the charging system is not working
any help greatly appreciated
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Post by rich on Aug 11, 2020 18:59:04 GMT 1
Hi, the charging system is seperate of the ignition side so the bike will start and run fine even if it's not charging.
Usually, charging faults are caused by one of 3 things:
1) Charging coils in the stator - separate the plug and check across each pair of white wires and compare the resistances in the stator. The plug itself can often melt if the connections are iffy or corroded.
2) Wiring fault - check the other side of the plug into the loom for continuity of the 3 white wires to the reg/rec and the red, brown and black wires to ground and fuse box / battery connections.
3) Carry out a diode check on the reg/rec as show in the Haynes manual. The reg/rec is usually very reliable but I once had one where the red wire had corroded in the connector.
Good luck and if you need any more into just ask. My money is on a melted stator plug!
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colbox
L plate rider.
Posts: 41
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Post by colbox on Aug 11, 2020 20:07:58 GMT 1
Cheers I do remember the 3white wire plug being a bit Iffy
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Post by 4l04ever on Aug 12, 2020 9:53:40 GMT 1
You can get replica plugs for the 3 white wires, or if you are not fixated on being 100% original, you could fit something different with better connections.
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Post by midlifecrisisrd on Aug 12, 2020 11:49:49 GMT 1
Check it's not the main fuse connections
Could be melting your fuse box silently 🤔
Steve
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colbox
L plate rider.
Posts: 41
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Post by colbox on Aug 12, 2020 14:16:37 GMT 1
It has been completely rebuilt including new loom
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