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Why is my Altenator hot when battery is hooked up?

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Old Jul 21, 2001 | 06:05 PM
  #1  
PROCHARGED89Z's Avatar
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From: FALL RIVER MA USA
Why is my Altenator hot when battery is hooked up?

I started my new motor today and while everything went well I noticed when I hooked up my battery the altenator was hot to the touch and the battery cable was also hot to on the battery.Would this happen frm repeated startscause I cranked over the motor many times.The battery also took a dump and my starter was just clicking after a while,think i drained the battery.Thanks for any help

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Check out my Hompage,or the beginnings of one.355 dynoed at 400HP at 5800RPM & 410LBFT of TQ,on Motorhttp://www.procharged89z.cz28.com/index.html
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Old Jul 21, 2001 | 09:23 PM
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Stuart Moss's Avatar
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From: Warrenton, VA U.S.A.
I presume the wire that was hot to the touch you spoke of was the 4 gauge wire from the battery to the starter motor. This is normal if the starter is used for an extende amount of time, such as 10-20 seconds of use.

Since the battery was so drained, the alternator had to work hard to recharge it. The harder the alternator works, the hotter it gets. This is a dangerous condition especially for the CS130 type of alternators that have a known problem of overheating damaging the rectifier/regulator. This is precisly the reason why a dead battery should not be charged by the alternator - unless you let the alternator cool every 15 minutes or so to keep it from overheating.

Many people disregard this warning. The risk they take in doing so is theirs...
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Old Jul 23, 2001 | 01:24 AM
  #3  
PROCHARGED89Z's Avatar
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From: FALL RIVER MA USA
Sorry I forgot to say I have the battery in the trunk,and Im running a 2 gauge or bigger.I didnt really run the car for a long amount of time but the altenator was very hot to the touch after i stopped the car for a while.Repeated starting do this?I thought maybe insuffecient ground would be the problem.Thanks fo any tips

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Check out my Hompage,or the beginnings of one.355 dynoed at 400HP at 5800RPM & 410LBFT of TQ,on Motorhttp://www.procharged89z.cz28.com/index.html
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