1990 Ford F150

1990 FORD F-150
130,000 MILES • V8 • 2WD • AUTOMATIC
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ADUSTYMOORE
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  • 1 POST
recently changed alternator now the battery light comes on & guage is full while driving goes back down during idle
Apr 10, 2009 at 10:19 AM
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RACEFAN966
  • CAR REPAIR CONTRIBUTOR
  • 5,029 POSTS
Ok if I understand right the battery light is on but what do mean the guage is full? Please explain and we will take it from there.
Apr 10, 2009 at 11:17 AM
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ADUSTYMOORE
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  • 1 POST
the guage inside next to speedometer it has a battery on it reads normal while at idle as soon as i push the gas it goes up to full
Apr 10, 2009 at 11:33 AM
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RACEFAN966
  • CAR REPAIR CONTRIBUTOR
  • 5,029 POSTS
Ok so the volt guage pegs out? Have you check with a multi meter at the battery to see what voltage you are actually getting? Let me know what you find.
Apr 10, 2009 at 9:21 PM
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