tombardier
Well-Known Member
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- F.O.D, UK.
sounds like a good alternator!
Battery Warning light
- Thread starter sniggib
- Start date
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Sirus
Your all Banned except me
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Bad earth somewhere
tombardier
Well-Known Member
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- F.O.D, UK.
what engine is it?
you have a loose or poorly connected wire somewhere in the charging wiring
you don't have to worry about that if you are in the AA/RAC/Green Flag
tombardier
Well-Known Member
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- F.O.D, UK.
thought you might be on a 2.5 petrol 
Hi guys,
Still having trouble with this damn light. It is still on very dim. Ive checked round the wiring and have found an area which looks a bit dodgy. Its infortunately right where the wire enters one of the 8 pin conector thingies. So im unsure what is best to do., The wires going into the connector are sealed in so i will have to replace the entire connector i think?
So my question is doesanyone know where i can get one of these or is there a better option? ive looked online and cant find anything.
Cheers,
Still having trouble with this damn light. It is still on very dim. Ive checked round the wiring and have found an area which looks a bit dodgy. Its infortunately right where the wire enters one of the 8 pin conector thingies. So im unsure what is best to do., The wires going into the connector are sealed in so i will have to replace the entire connector i think?
So my question is doesanyone know where i can get one of these or is there a better option? ive looked online and cant find anything.
Cheers,
Terra Dog
New Member
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- West Midlands
Hi just a quicky, i replaced my alternator the other week and it read higher on tick over than when I revved it. It was about 14.6 on tick over then it went down to about 14ish when I revved it. Not sure about removing the wire to the battery light, I would presume it would go out completly.
I would be inclined to fix the problem for future reference i.e the warning light is there for a reason, to warn you if the alternator is packing up or the battery is knacked.
A tell tale sign of the alternator packing up or the belt needing to be tensioned is the battery light coming on when the enginge is first started on tick over, then when revved it goes out. My battery light doesnt come on at all now once the engine is started.
Cheers Terra Dog
I would be inclined to fix the problem for future reference i.e the warning light is there for a reason, to warn you if the alternator is packing up or the battery is knacked.
A tell tale sign of the alternator packing up or the belt needing to be tensioned is the battery light coming on when the enginge is first started on tick over, then when revved it goes out. My battery light doesnt come on at all now once the engine is started.
Cheers Terra Dog
what would provide current to it if the wire was disconnected ?
erm... im not sure. My thinking is that the wire provides a voltage to the warning light, but if the alternator is on its last legs the warning light goes on as the voltage in the wire decreases due to a lack of voltage from the alternator?
therefore by disconnecting the wire i am essentially giving zero current and so the light should come on?
cheers
therefore by disconnecting the wire i am essentially giving zero current and so the light should come on?
cheers
remember that the warning light is wired in series with the exciter connection, so if the wire is removed .......
if it goes off when you start the engine - that's good, but a voltmeter across the battery to show the alt output will be a better test
if the light never comes on, even with the engine running and ignition on then suspect a dead bulb
