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Thread: van battery dying

  1. #1
    Senior Member alan's Avatar
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    van battery dying

    The battery in my van (2001 Grand Caravan, Rollx conversion) keeps dying. I'm on my second already - a five year heavy duty - and it's dead, too. The only thing we can figure that's draining it is the alarm system. We've called Rollx and the alarm guy, and the van will be checked on Wednesday, but does anyone have any idea what could be causing the problem besides the alarm?

    Because I so rarely go out, the van isn't exactly overused, but we do start it regularly, and my mom drives it sometimes. We never had this type of trouble with the previous van, a Ford Club Wagan, that also wasn't overused, but had no alarm.

  2. #2
    Junior Member
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    have your voltage regulator and alternator checked. Actually, newer models may not have voltage regulators anymore, but a screwed up one can definitely wreak havoc on a battery. And so can a bum alternator.

  3. #3
    Senior Member ~Patrick~'s Avatar
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    alan, sounds like you have a negative short. With all the equipment it will take some time to track down. The garage can disconnect one part of the equipment (say the lift for example) overnight and check the battery the next day. This will isolate where the short is.Then they can track it with a volt meter. I would get the people that modded it to do it. They are most likely the culprits.

    "Often our suffering or the suffering of others blinds us to the reality that the sovereign God is working His own good purposes through a fallen world"

  4. #4
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    Many voltage regulators are internal to the alternator. Several tests should be performed, a battery no-load test, a battery load test, an alternator no-load test and an alternator load test. More than likely it will be a voltage regulator that is not allowing an adequate charge. Good luck.

  5. #5
    a defective altenator can also drain a battery when it's not running also.

  6. #6
    Senior Member alan's Avatar
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    Thanks - I'll have all these suggestions checked.

  7. #7
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    i have a 92 ford van, had battery problems from the time it was new, if it wasnt drove about every 5 days would be dead battery, had it checked out by atleast 5 shops & 30 mechanics no luck.

    finaly i got a marine battery & enclosed case for battery at walmart hooked it directly to my wc lift. have not had problems since.

    i have heard you should seperate marine battery from regular battery because the charge differantly? mine are not i have had no problems for 4 years now.

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