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Old 06-18-2003, 01:53   #1 (permalink)
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Warning Lights and EEC Fault Codes

Over the past months my AU has had the battery light come on increasingly.

May be time for a new battery but this one is not too old.

I have a feeling it's a loose connection somewhere in the system as it may flicker on or off or stay on for several minutes.

It's gone off when I've got out of the car and shut the door. I came close to catching it today but I opened the boot and realised I'd left my Multimeter on last time and it was flat

Anyway, does anyone know where in the system the Battery warning light takes it's reading and does the EEC record a fault code when the Battery Light comes on.

Also does it record a code if the Airbag or ABS warning lights/chimes go off.

Thanks
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Old 07-13-2003, 08:17   #2 (permalink)
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I think ( could be wrong) that the BAttery light is really a charge indicator ( on = no charge.. off = OK ) the altenator may be failing (sticking brushes ... frayed wires at the altenator ... failing regulator ... failing diodes .... ) next time it happens , lift the hood and check the voltage at the battery .....


yes the EEC should record the "low battery voltage" if it stays on long enough and the battery voltage falls low enough ....
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Old 07-13-2003, 08:26   #3 (permalink)
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Yeah, I thought the battery light was also actually the charge or alternator light too. As JOAT said, I would be looking at the alternator. Also quite a common problem is that where the alternator wire connects to the battery is a fuseable link which sometimes that burns out. Its normally a problem in older cars though.
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