nickipug89
Postman Pat
Pug Way- Drive Fresh!
Posts: 15
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Post by nickipug89 on Dec 30, 2011 15:02:52 GMT
I could do with a bit of help with my 205 xs
I've put a new alternator on and battery as the old ones were dead, the alternator is pumping out 12.7v but my battery light is slightly glowing and gets brighter if I put the heaters on or my lights, I've checked the connections and they seem fine and the earth on the gearbox ... Any ideas?
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nickipug89
Postman Pat
Pug Way- Drive Fresh!
Posts: 15
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Post by nickipug89 on Dec 30, 2011 15:44:45 GMT
Oh I also forgot to ask what the smaller wire going to the alternator does? Because this wasn't attached to my old one, I had to find the wire and re crimp it!!
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Post by frank on Dec 30, 2011 19:43:10 GMT
The alternator should be charging at 3.8 - 14.1 volts or there abouts, i would check all coctions are clean and tight. Remove all the conections and clean them up with some sand paper and refit. also make sure the belt is tight enough.
The small wire is for the light on the dash
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nickipug89
Postman Pat
Pug Way- Drive Fresh!
Posts: 15
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Post by nickipug89 on Dec 30, 2011 19:55:28 GMT
Cheers! That's my job for tomorrow then! I've spent more time under this car than in it! Will let you know how it goes!
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nickipug89
Postman Pat
Pug Way- Drive Fresh!
Posts: 15
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Post by nickipug89 on Dec 31, 2011 11:44:46 GMT
Right, I've been out all morning cleaning up all the earth wires, the lot, everything that looks like it needs a clean I've cleaned it, and guess what .... The light is still there :-( and same again, head lights give up after a few mins, I'm starting to think I need a whole new set of wires .... What do u think?
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Post by frank on Dec 31, 2011 14:09:58 GMT
faulty alternator
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nickipug89
Postman Pat
Pug Way- Drive Fresh!
Posts: 15
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Post by nickipug89 on Dec 31, 2011 15:07:31 GMT
Fixed it!! I had to replace the ring thingy (im no good at technical words) going onto the alternator :-) now for the head gasket, cheers for the help, made my day fixing the car yet again!
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Post by Donaldiesel on Jan 30, 2012 17:25:04 GMT
Your old alternator may not be toast. It will not work with the small wire disconnected, hence the flat battery. This is the wire to the warning light. An alternator has no permanent magnet, so it needs a small current flow through the warning light to get the magnetism going in the field coils and generate full output. When the alternator is up to speed and generating current, the voltage on both sides of the warning light is the same, so no more current flow through the bulb and the light goes out.
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