Question about 1998 Ford Explorer

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New battery and alternator but the battery light stays on and low voltage

I put a new alternator and battery on my explorer. The battery light stays on and it shows low voltage on the gauge. What could be the problem??

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Probably a faulty voltage regulator.

Posted on Jan 10, 2013


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SOURCE: alternator light on

The alternator is not producing any power . If it were the engine would run without the battery. Check the wiring on the alternator. It must ave an exciter wire to make it work.

Posted on Oct 07, 2008

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SOURCE: Charging system

change your battery cables and check all wires on the alternator for loose connections, expecially the grounds.

Posted on Oct 12, 2008

  • 16 Answers

SOURCE: 1984 Ford F250 5.8L 2

This is not rare. Possibly bad "new" alternator or bad "new" regulator. Have seen it happen many times. :-)

Posted on Jan 07, 2009

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SOURCE: 1996 ford ranger fuel gauge stays on full . I had

Sounds like a short, check the wiring harness

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SOURCE: F350 2004 6.0 brand

The first thing I would do is remove the alternater and take it to an auto parts store and have them check it. If the alternater is working good, then check the belts are routed and have the right tension. Either of these can keep the battery from charging. It's very common that a rebuilt alternater isn't working properly. If all these things are correct, check the live wire to the alternater is live. If it isn't alive you have problems in the wiring and I would take it to a mechanic.

Posted on Nov 25, 2010

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