Question about 2002 Isuzu Trooper
Hi,all the alternators job is,is to charge the battery,so the alternator has nothing to do with it not starting.now if your battery keeps draining down and you have to recharge it every couple of days,then it would be the alternator that was bad.but if you have a fully charged battery and it still wont start, its another problem! does it turn over and try to start but not start?? or when you turn the key over does it just go click-click-click?? or does it just not make any noise at all when you turn the key over?? it makes a big diffrence which of the three its doing,let me know which one its doing, also you can take your battery to auto-zone and they will load test to see if its holding a charge ok.....just let me know.......yz-maniac.
Posted on Sep 28, 2010
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Posted on Jan 02, 2017
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Jan 07, 2016 | 2000 Isuzu Trooper
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Jul 25, 2012 | 1997 Isuzu Trooper
Hello and welcome to FixYa!
If the battery light is on, I strongly suggest that you have
the battery charged. It can be an indication of a weak battery or a faulty
alternator. If the battery light still on after charging then the problem will
surely be on the alternator itself. If that's the case the alternator should be
replaced to resolve the problem.
If the battery won't hold charge even on a new alternator
then the problem will be on the battery itself. It surely is in the end of it's
service life and replacement will be necessary.
You may try to reset it to by removing the positive battery
connector, letting it sit for at least 5mins. then reconnect it again. This
will reset the system and can get the battery light off.
Hope this helps and thank you for using FixYa! Have a good one!
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