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It can, though it is unlikely -- the alternator and the voltage regulator would both have to be faulty. A faulty alternator will not charge a battery, though, so it may seem normal until the charge put into the battery at the store runs out.

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12y ago

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1991 Eagle Talon What makes it drain the battery when the alternator is brand new and so is the batteryWhat makes it drain the battery when the alternator is brand new and so is the battery?

it reg=charges


Why would a fully charged battery and a new alternator drain the battery as the car is being driven?

Some possibilities: Cable is loose Alternator is faulty Some other electrical problem is causing an excessive drain. ---------------------- Also check the Fuse or Fusible Link. ----------------------- if new alternator: ck. mounting bolts for tightness & wiring. battery self maintenance? Alt. have intregal regulator? if not, should replace when replacing alt.


Why would the headlights drain the battery on a 1996 Lexus with a new alternator?

The new alternator is bad happens all the time.


What could drain the power from the battery within 24 hrs after installing a new alternator and battery?

Bad starter.. direct ground..... stero equipment IG: amplifier being improperly wired . and it is possible to have the wrong alternator or a faulty one. Bad starter.. direct ground..... stero equipment IG: amplifier being improperly wired . and it is possible to have the wrong alternator or a faulty one.


What will cause a 1993 mitsubushi eclipse's battery to drain even after you replaced the alternator with a new one?

If you have checked the battery and made sure that the new alternator is working, the only other possibility is that something is staying on when the ignition is off. Not all new alternators are perfect, sometimes they come with a faulty component that can drain the battery. Also, older batteries can slowly drain if the plates are starting to fail. It's difficult to just give one solution to a problem with so many possibilities.


What could be draining the new battery and new alternator?

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The new battery on your 1988 Cadillac Seville keeps losing it volts and stalling the carWhy?

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Alternator not charging battery due to a bad fusable link?


Why wont battery hold charge when alternator and battery are new?

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How do you get the battery light to go off if you have a new alternator and a new battery?

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