Your diagnostic logic sure beats me. I have to get into a real deep dream to come up with anything other than the alternator. Of course it could be the belt.

One thing I am sure about though is that retail stores are going belly up giving away batteries to anyone draining them. Just think at 3 dollars a drive batteries are almost as cheap as gas. Why fix the car.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician