Car Batteries
Ford Ranger

Why is my 2001 Ford Ranger is losing amps and the battery light is flashing when it's given gas but is fine at an idle?

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Answer

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Wiki User
01/03/2007

Many auto parts retailers will test your alternator for you without charge. It sounds like a possible diode or regulator problem meaning that you'll probably need to replace the alternator, but you won't know for certain without testing it.