Battary light on and showing low voltage

Asked by Jun 05, 2017 at 10:08 PM about the 2001 Ford Ranger 2 Dr Edge Standard Cab SB

Question type: Maintenance & Repair

ok my batt light is on and showing low voltage. had the alt checked its good
and brand new batt. check fuses all good.I decided to hit my cruise control
sitting still and the light can on them back off turn on the key and back on
and he batt. and low voltage with back to normal. now its come on and off
at times. Starts find and even with lights and wipers on dont saem to
change it. help!!!..

1 Answer

121,105

Sounds like the computer is messed up and as the computer controls the charging system your not getting any thing from the alternator, unfortunately the dealer it the only place that can reflash the computer and hopefully resolve your problem.

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