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1991 Ford F-150 voltmeter not working

Tiny
KONABILL
  • MEMBER
  • 1991 FORD F-150
  • 6 CYL
  • 4WD
  • MANUAL
  • 260,000 MILES
I've tested the electrical system and the battery reads 12.5- to 12.6 volts with the ignition off and 14.4 or more with the truck running, but the voltmeter on the dash stays pegged to the left with the engine running but the battery is not discharging. Anyone have any suggestions or do I have to pull the instrument cluster to check the gauge itself,
thanks for any idfas. Bill
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Tuesday, July 13th, 2010 AT 7:31 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
From the checks, everything sounds like it is working correctly. Therefore, you either have a bad gauge itself or there is a broken or loose wires. Check under the dash and also, make sure the fuseable links from the alternator are in good condition. Check all of them for continunity.
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Friday, July 16th, 2010 AT 9:29 PM

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