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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6216
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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2012 Fiesta high mileage car. The battery light is on. Car

Customer Question

2012 Fiesta high mileage car. The battery light is on. Car is charging, we changed alternator with another salvage yard one and there is no difference. The air cond also doesn't work. Got any clues? thanks, jack
Submitted: 1 year ago.
Category: Ford
Expert:  A. Penland replied 1 year ago.
With the 2012 Fiesta, the first thing you need to do is to check all the modules for trouble codes. The PCM controls the alternator output and the instrument cluster needs to see it.
Check for trouble codes and let me know what the actual voltage is when the engine is running at the battery.
Customer: replied 1 year ago.
thanks, ***** ***** tomorrow.
Expert:  A. Penland replied 1 year ago.
Please keep me informed.