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Old 02-19-2014, 09:36 PM   #1
FED 387
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Default 2000 Ford F250 warnng light flickering

have 2000 Ford F250 Diesel on the way home from work the light in the lower left corner of the dash looks like a battery started flickering--- lights seem OK amp gauge is where it should be. If the engine RPM is over say 1500 the light goes out but intermittently might come back on--- at an idle up to about 1200-1500 in neutral the light will maybe stay maybe go off--- I'm thinking alternator might be going bad--- is there a voltage regulator on these things?? Any suggestions what it is??? Both batteries are less than 4 years starts OK too---- Any suggestions on where to look??? What is the alternator supposed to put out (voltage) at an idle or wherever I test it---thanx FED 387
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Old 02-19-2014, 10:55 PM   #2
Rob Petrie E395
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Default Re: 2000 Ford F250 warnng light flickering

Pull the alternator off it and have it tested. Most auto parts stores do it for free. My bet is its going bad.
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Old 02-19-2014, 11:48 PM   #3
FED 387
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Default Re: 2000 Ford F250 warnng light flickering

thanx Rob that's what I was thinking too-- will check it out tomorrow--FED 387
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