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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6213
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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2011 f250 single alternator..battery light on..new battery

Customer Question

2011 f250 single alternator..battery light on..new battery new alternator code p0625 showing. Charging 14.5 to 14.7 battery light comes on about 30 secs after start and stays on..help
Submitted: 1 year ago.
Category: Ford
Expert:  A. Penland replied 1 year ago.

Did you have this problem before the repair of the batteries and the alternator?

Customer: replied 1 year ago.
batteries tested bad. Replaced..assumed it was alternator and replaced it as well. At a loss now
Expert:  A. Penland replied 1 year ago.

Was the battery light on before with the old alternator?

Just need to make sure.

Customer: replied 1 year ago.
Light came on. Volts normally about 14.2.. After light bouncing between 14.5 to 14.8. That is what started me looking. Had need alternator tested just to be sure and it tested good
Customer: replied 1 year ago.
Oops new alternator
Expert:  A. Penland replied 1 year ago.

Ok. I can post a pin point test you can follow to isolate and locate the problem. You will need a digital multimeter to do the tests. It could be the wiring, instrument cluster or the PCM.

Customer: replied 1 year ago.
Ok. This may be getting out of my league but I'll give it a go.
Expert:  A. Penland replied 1 year ago.

Ok. Below is the pin point test.