Battery dash light

Asked by Apr 04, 2017 at 03:48 PM about the 2007 Ford Ranger FX4 Off-Road

Question type: Maintenance & Repair

My 07 rangers battery light came on yesterday so
today I put in a new battery, however the light is still
on. Does this take a while to reset? Or does it more
likely mean the alternator is dying? How to I check
the alternator to see if it's working right?

1 Answer

77,815

Its going to be a alternator problem. But you can check at the battery when the engine is running, with a digital volt meter to see if there is 14.5 DCV. Or you could just go to an auto parts store and have them check the charging system.

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