98 Explorer Electrical Problem
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Junior User
Joined: Nov 2002
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98 Explorer Electrical Problem
I've got a 98 Explorer with a 4.0 SOHV and 120K miles. It seems that my charging system isn't working - the battery holds a charge but after use it gets drained. I haven't hooked the voltmeter to it yet though. Does the charging system on these trucks have a separate voltage regulator or is it built into the alternator? If I have to replace the alternator is there anything else besides the serpentine belt I should think about doing - idlers, water pump ....
Thanks in advance for any advice.
Thanks in advance for any advice.
Postmaster
Joined: Oct 2003
Posts: 4,516
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From: SoCal
Check the voltage at the battery with your voltmeter, should be approx 14 volts with engine idling. If you are good there i will see if I can round up a link (I know i have it bookmarked somewhere) that tells how to test for "parasitic drain" that will discharge your battery. With these newer electronic marvels there is a special procedure for this.
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Joined: Apr 2004
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You may consider replacing your idler on the serpentine belt. Mine spit itself off at 70K. Potential for cats-***-tropy if it flys off at speed. (radiator, fan, hood, front cover, battery, imagine the chaos of that thing hitting the fan if you loose it at 6000rpm)
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