Battery light on... :(
20 January 2013, 05:07 PM
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Battery light on... :(
Went for a hand car wash, pressure washers etc. Anyway, as I leave the car wash I notice the battery light and brake light has come on, (I know they are on same circuit) so suspect battery or alternator fault.
I pull in, check under bonnet. There's no sign of water from pressure washers etc, all belts seem fine...
I get home and check with my meter.
All off: 12.74v
Car Running :15.18v
With Load: 14.86
Mmmm... any thoughts guys? Is the running voltage maybe a bit high? Voltage regualtor? Or maybe my battery on the way out? Coincidence with car wash? Groan, could do without this...
I pull in, check under bonnet. There's no sign of water from pressure washers etc, all belts seem fine...
I get home and check with my meter.
All off: 12.74v
Car Running :15.18v
With Load: 14.86
Mmmm... any thoughts guys? Is the running voltage maybe a bit high? Voltage regualtor? Or maybe my battery on the way out? Coincidence with car wash? Groan, could do without this...
Last edited by The Tog; 20 January 2013 at 05:11 PM.
20 January 2013, 05:43 PM
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53 plate Blob STi btw...
20 January 2013, 06:13 PM
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Had the same problem 3 weeks ago, first thought it was the battery, changed that, light still on, ordered a alternator from a breakers only to find the terminal under the red rubber cap had snapped due to heat.
Cut the old terminal off, re-crimped a fresh terminal on and cleaned the point up and its been as good as new ever since.
Cut the old terminal off, re-crimped a fresh terminal on and cleaned the point up and its been as good as new ever since.
20 January 2013, 06:43 PM
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Had the same problem 3 weeks ago, first thought it was the battery, changed that, light still on, ordered a alternator from a breakers only to find the terminal under the red rubber cap had snapped due to heat.
Cut the old terminal off, re-crimped a fresh terminal on and cleaned the point up and its been as good as new ever since.
Cut the old terminal off, re-crimped a fresh terminal on and cleaned the point up and its been as good as new ever since.
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21 January 2013, 06:39 PM
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Problem found, dampness inside the alternator plug had corroded the pins. Doesn't appear to have been from the pressure wash though. New alternator being fitted...
Doesn't appear to have been from the pressure wash though. New alternator being fitted...
21 January 2013, 07:22 PM
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My garage sussed it, it was going in today for a new fuel pump anyway. Engine had been out of the car a few months back (not done by me or my garage) and moisture must have got into the connection then...
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