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James, Ford Technician
Category: Ford
Satisfied Customers: 3628
Experience:  Ford Senior Master Tech, Ford gas and diesel expert, ASE Certified
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I have a 2007 F150. Starts great until, battery gauge

Customer Question

I have a 2007 F150. Starts great until, battery gauge indicates it is charging and then I will go out one day and the battery is completely dead. Just happened with a battery that is less than 3 months old. What should I look for?
Submitted: 1 year ago.
Category: Ford
Expert:  James replied 1 year ago.

Hello, you likely have a failing alternator. When the diodes fail inside the alternator the battery will eventually die without being able to charge. Once you replace the alternator your concern should be fixed.