Question:
Maybe a short in the gauge? Perhaps you can purchase a voltmeter that plugs into the cigarette lighter socket and keep it plugged in. When you get erratic dash gauge readings you can confirm if the volt tester indicates the similar readings. Alternators have large diodes to turn AC into DC and should never, ever reverse polarity on you during operation. Doing so is likely to fry all the delicate computers and electronics on the vehicle, and since that hasn’t happen, I would think its simply a gauge error. At least, with the strategy above, you can eliminate the gauge as the culprit fairly inexpensively. Good luck.
– Hide quoted text — Show quoted text -> Have a similiar problem with a ‘94 except the voltage gauge tries to go > NEGATVE! > Checked voltage and is OK. Will stay low for away then spring back to > normal. > Happens maybe once or twice a week. Can’t think of any reason how this > could happen. > Had alternator rebult after 110K and made no difference(though just maybe, > was due anyway) > ks > While disconnecting and reconnecting the alternator connector, id you > inspect for dirty, corroded, or loose wiring connectors? Any signs of > excessive heat at the terminals? > > yep battery is cool, so are cables, i unplugged and replugged the > > connector at the alternator into the regulator, i hope that was itOn > > >Battery connections clean? I assume the battery has been checked and > > >is ok? Could be the battery cable(s). They have been know to go bad > > >under the insulation so they looked good but won’t carry much current. > > >>After numerous (!!!!) problems, the explorer i bought was working > > >>great….something bad had to happen….the voltage guage was showing > > >>a discharge, not much but less than half….put gas in then very slow > > >>starting, thought nothing of it, then the discharge was right to the > > >>bottom of the guage, and after shutting it off, trying to start > > >>resulted in click click click,,,,a half hour > > >>(and a beer) later, it did start, but as the discharge got worse, the > > >>battery light started flickering, the ABS ligth was glowing, the > > >>Airbag light was on, and the check guages and check engine lights came > > >>on….it was sputtering, like it was going to stall, no power, turned > > >>intp the garage…..vroom! lit up, all was back to normal! An hour > > >>later the gremlin appeared again….sigh…..is it an alternator? Does > > >>this sound remotely familiar to anyone/ > > >>thanx in advance for any replies…. > — > Friends don’t let freinds fish for bass. > Check out the Pikemasters Mailing List at > http://www.flash.net/~mushrat/pikemasters.htm
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After numerous (!!!!) problems, the explorer i bought was working great….something bad had to happen….the voltage guage was showing a discharge, not much but less than half….put gas in then very slow starting, thought nothing of it, then the discharge was right to the bottom of the guage, and after shutting it off, trying to start resulted in click click click,,,,a half hour (and a beer) later, it did start, but as the discharge got worse, the battery light started flickering, the ABS ligth was glowing, the Airbag light was on, and the check guages and check engine lights came on….it was sputtering, like it was going to stall, no power, turned intp the garage…..vroom! lit up, all was back to normal! An hour later the gremlin appeared again….sigh…..is it an alternator? Does this sound remotely familiar to anyone/ thanx in advance for any replies….
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whoops!! the overdrive off light now blinks steady
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My best guess would be you probably have a bad wiring connection at the alternator. Most alternator failures usually involved the large connector at the alternator, and many times, replacement of this connector/pigtail is required. > After numerous (!!!!) problems, the explorer i bought was working > great….something bad had to happen….the voltage guage was showing > a discharge, not much but less than half….put gas in then very slow > starting, thought nothing of it, then the discharge was right to the > bottom of the guage, and after shutting it off, trying to start > resulted in click click click,,,,a half hour > (and a beer) later, it did start, but as the discharge got worse, the > battery light started flickering, the ABS ligth was glowing, the > Airbag light was on, and the check guages and check engine lights came > on….it was sputtering, like it was going to stall, no power, turned > intp the garage…..vroom! lit up, all was back to normal! An hour > later the gremlin appeared again….sigh…..is it an alternator? Does > this sound remotely familiar to anyone/ > thanx in advance for any replies….
– Friends don’t let freinds fish for bass. Check out the Pikemasters Mailing List at http://www.flash.net/~mushrat/pikemasters.htm
Response:
Battery connections clean? I assume the battery has been checked and is ok? Could be the battery cable(s). They have been know to go bad under the insulation so they looked good but won’t carry much current. – Hide quoted text — Show quoted text – >After numerous (!!!!) problems, the explorer i bought was working >great….something bad had to happen….the voltage guage was showing >a discharge, not much but less than half….put gas in then very slow >starting, thought nothing of it, then the discharge was right to the >bottom of the guage, and after shutting it off, trying to start >resulted in click click click,,,,a half hour >(and a beer) later, it did start, but as the discharge got worse, the >battery light started flickering, the ABS ligth was glowing, the >Airbag light was on, and the check guages and check engine lights came >on….it was sputtering, like it was going to stall, no power, turned >intp the garage…..vroom! lit up, all was back to normal! An hour >later the gremlin appeared again….sigh…..is it an alternator? Does >this sound remotely familiar to anyone/ >thanx in advance for any replies….
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yep battery is cool, so are cables, i unplugged and replugged the connector at the alternator into the regulator, i hope that was itOn – Hide quoted text — Show quoted text ->Battery connections clean? I assume the battery has been checked and >is ok? Could be the battery cable(s). They have been know to go bad >under the insulation so they looked good but won’t carry much current. >After numerous (!!!!) problems, the explorer i bought was working >great….something bad had to happen….the voltage guage was showing >a discharge, not much but less than half….put gas in then very slow >starting, thought nothing of it, then the discharge was right to the >bottom of the guage, and after shutting it off, trying to start >resulted in click click click,,,,a half hour >(and a beer) later, it did start, but as the discharge got worse, the >battery light started flickering, the ABS ligth was glowing, the >Airbag light was on, and the check guages and check engine lights came >on….it was sputtering, like it was going to stall, no power, turned >intp the garage…..vroom! lit up, all was back to normal! An hour >later the gremlin appeared again….sigh…..is it an alternator? Does >this sound remotely familiar to anyone/ >thanx in advance for any replies….
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While disconnecting and reconnecting the alternator connector, id you inspect for dirty, corroded, or loose wiring connectors? Any signs of excessive heat at the terminals? – Hide quoted text — Show quoted text – > yep battery is cool, so are cables, i unplugged and replugged the > connector at the alternator into the regulator, i hope that was itOn >Battery connections clean? I assume the battery has been checked and >is ok? Could be the battery cable(s). They have been know to go bad >under the insulation so they looked good but won’t carry much current. >>After numerous (!!!!) problems, the explorer i bought was working >>great….something bad had to happen….the voltage guage was showing >>a discharge, not much but less than half….put gas in then very slow >>starting, thought nothing of it, then the discharge was right to the >>bottom of the guage, and after shutting it off, trying to start >>resulted in click click click,,,,a half hour >>(and a beer) later, it did start, but as the discharge got worse, the >>battery light started flickering, the ABS ligth was glowing, the >>Airbag light was on, and the check guages and check engine lights came >>on….it was sputtering, like it was going to stall, no power, turned >>intp the garage…..vroom! lit up, all was back to normal! An hour >>later the gremlin appeared again….sigh…..is it an alternator? Does >>this sound remotely familiar to anyone/ >>thanx in advance for any replies….
– Friends don’t let freinds fish for bass. Check out the Pikemasters Mailing List at http://www.flash.net/~mushrat/pikemasters.htm
Response:
Have a similiar problem with a ‘94 except the voltage gauge tries to go NEGATVE! Checked voltage and is OK. Will stay low for away then spring back to normal. Happens maybe once or twice a week. Can’t think of any reason how this could happen. Had alternator rebult after 110K and made no difference(though just maybe, was due anyway) ks
– Hide quoted text — Show quoted text -> While disconnecting and reconnecting the alternator connector, id you > inspect for dirty, corroded, or loose wiring connectors? Any signs of > excessive heat at the terminals? > yep battery is cool, so are cables, i unplugged and replugged the > connector at the alternator into the regulator, i hope that was itOn > >Battery connections clean? I assume the battery has been checked and > >is ok? Could be the battery cable(s). They have been know to go bad > >under the insulation so they looked good but won’t carry much current. > >>After numerous (!!!!) problems, the explorer i bought was working > >>great….something bad had to happen….the voltage guage was showing > >>a discharge, not much but less than half….put gas in then very slow > >>starting, thought nothing of it, then the discharge was right to the > >>bottom of the guage, and after shutting it off, trying to start > >>resulted in click click click,,,,a half hour > >>(and a beer) later, it did start, but as the discharge got worse, the > >>battery light started flickering, the ABS ligth was glowing, the > >>Airbag light was on, and the check guages and check engine lights came > >>on….it was sputtering, like it was going to stall, no power, turned > >>intp the garage…..vroom! lit up, all was back to normal! An hour > >>later the gremlin appeared again….sigh…..is it an alternator? Does > >>this sound remotely familiar to anyone/ > >>thanx in advance for any replies…. > — > Friends don’t let freinds fish for bass. > Check out the Pikemasters Mailing List at > http://www.flash.net/~mushrat/pikemasters.htm
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