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Yes it can...you may have a bad cell in the battery.. even with a bad cell the battery may have enough charge to start the vehicle but it then puts the alternator under a heavy load as it tries to charge the battery...Have them both tested....

There is also the possibility that the bearings in the alternator may be worn which could cause excessive heating....

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Q: Can a bad battery cause the alternator to get hot?
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Can a bad alternator make a car run hot?

No it can not. If the belt is missing that could cause it to run hot.


Could a bad exhaust leak where its dumping exhaust out of the manifold out to the alt cause an alternator to go bad?

Yes, those exhaust gases are extremely hot and can cause the alternator to overheat. Not only that but that carbon monoxide can enter the vehicle and kill you.


Can the alternator kill the battery?

Yes.Normally, the alternator charges the battery as you drive, and if if doesn't work, the battery never gets charged causing the battery to discharge. A discharged battery will have a short life, and is more likely to freeze in cold weather which ruins the battery completely. Note that an alternator should always be tested hot (within 5 minutes after driving for at least 45 minutes) . A bad alternator with a bad voltage regulator or rectifier diode may test good when cold.In some cases, an alternator may be "bad" because a rectifier diode (internal part like a check valve for electricity) no longer functions. With a bad diode, the alternator can, from time to time, actively discharge the battery when you shut the car off depending on the (effectively random) position at which it stops.


Is possible to short out the alternator while working on car?

The alternator really can be shorted out but you can cause a short if you contact the hot battery connection to ground. whenever you work on a car, you should really disconnect the negative battery cable. It takes that battery out of harms way and you too.


How do you know when an alternator is bad on a Chevy trail blazer?

Pull the hot (+) positive lead on the battery while running...If car quits it's bad. Best way is to put voltmeter (Multimeter) on battery while running..if 13 + volts at idle then alternator is good, if 14+ then it's great!


What causes a car battery to get hot?

poss alternator fault


How do you find were the hot wire on the alternator run to your car shuts off as soon as you take the hot off the battery?

assuming that no one has cut a wire, the alternator is probably bad. could be a fuse. Depending on car, it could be a fusible link. Process of elimination. The main large wire on the back of the alternator runs to the battery. Should be smaller wire on the positive cable.


Just installed a new alternator and belt on 1999 blazer - the new alternator is very hot your husband has leather hands and says it very hot Everything is grounded properly?

is your battery Low or poor?? Charge your battery on slow charge for 8hrs to give it a good deep charge, Installing an alternator on a low or dead battery will ruin it and also not charge your battery properly.. An alternator is not a battery charger its a battery maintainer!!


What would cause no power to show up in the car with a hot battery and a new alternator Every thing is dead?

i had this problem i just had to make sure i was getting a good connection i just cleaned the battery cables


Can a bad starter cause a short and make your cables hot and you have to unhook battery to get it to stop burning?

It could but, have the battery tested before you purchase a new starter.


What could cause fluttering gauges when you turn off a 1999 Saturn SL1 and a battery that drains whenever the car has not been started for a few days?

The most probable cause is an alternator with an internal short in the windings. This would cause the lights to flutter as the current being delivered isn't steady. It could also be drawing on the battery even when the car is off. If you can, charge the battery with a charger for a few hours,then reach in and feel the alternator housing. If it's hot to the touch, and the car has't been running for a while,the alternator is drawing from the battery and should be replaced.


Why does your alternator get so hot on your 1990 acura legend i recently replaced it because the last one burned up?

Check all electrical connections battery cables etc. for looseness and corrosion Bad connection could cause spike and excessive heat Check voltage input and output of alternator' Check for a reverse polarity