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Battery indicator lite on our 2002 VW Beetle comes on. Had altenator, regulator & battery checked and all tested ok. Disconnected battery cable to reset computer, lite went out but came back on two days latter. VW has 56000 miles.

Submitted: 73 days and 4 hours ago.

Category: VW

Value: $38

Status: AWAITING CUSTOMER ACTION

Year: 2002
Make: Volkswagen
Year (other): 2002
Model: Beetle

Already Tried:
Battery lite comes on. Tested altenator, regulator and battery and all tested ok. Reset computer and lite continues to come on.

Answer

XXXXX,

You probably have a bad alternator harness which is the cable that goes from
the alternator to the main fuse box on top of the battery. You need a voltmeter
to test the system. Set it on dc volts and run the car for a couple minutes with the lights, heater,
and window defroster on. Then take one lead from the meter and touch it to the large wire on the back of
the alternator and put the other lead on the positive battery post. If you read over .1 of a volt then the harness is bad.
Judging by the light being on you are probably losing more than that. Also pop the main fuse block
and look for melting or damage near the left most wire and fuse which is for the alternator. Be careful that cable gets hot.

Danny

Accepts:
Expert:	Danny
Pos. Feedback:	99.4 %
Answered:	9/10/2009

VW Mechanic

ASE Master Certified with L1 Certification, Volkswagen Certified, VW and Audi repair shop owner

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Battery indicator lite on our 2002 VW Beetle comes on. Had altenator, regulator & battery checked and all tested ok. Disconnected battery cable to reset computer, lite went out but came back on two days latter. VW has 56000 miles.

Optional Information

Year: 2002Make: VolkswagenYear (other): 2002Model: Beetle Already Tried: Battery lite comes on. Tested altenator, regulator and battery and all tested ok. Reset computer and lite continues to come on.

Answer

Related VW Questions

Year: 2002
Make: Volkswagen
Year (other): 2002
Model: Beetle

Already Tried:
Battery lite comes on. Tested altenator, regulator and battery and all tested ok. Reset computer and lite continues to come on.