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If the car has a bad battery the battery will not charge just becaus you put a new alternator in try raplacing the old battery.

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Q: Why does the battery meter stay in the yellow zone after installing a new alternator on a Pontiac Firebird?
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Why your alternator does not charge the battery in your Pontiac firebird 1991 v6 3.1l you have bought new alternator What shall you do?

Repair the alternator to battery connections or replace the battery.


Why would my Pontiac Firebird 1991 wont start after a few try my battery dies out?

you need a new alternator.


How do you replace the alternator on a 1996 Pontiac Firebird?

If it the 3.8........start by disconnecting the battery. Then remove the sepertine belt. On the back of the alternator, there is a red cable and a plug. Undo those. Then there is only 3 bolts. Two in the front, one on the back.


Do you need a new battery after installing a new alternator?

Only if the old battery is defective


What should you do if battery was not charged before installing new alternator?

My advice is to charge the battery with a battery charger before starting the engine. You will be putting a heavy load on the alternator if you allow it to charge a dead battery. This could damage the alternator.


Why would the battery light of a 98 Pontiac Sunfire come on after a new battery was installed?

You have a bad alternator.


Can running a new alternator on a half charged battery cause damage to either the battery new alternator voltage regulator etc?

Not likely, but running the engine with a dead battery can damage some alternators. Always fully charge the battery when installing an alternator.


Why does the battery light come on in a 2001 Pontiac Aztek?

Normally it means the alternator is defective.


Why is your battery light on your 2003 Pontiac Grand Am GT stay on?

Alternator is not putting out a charge.


Will battery recharge after bad alernator is replaced?

An alternator is designed to keep a fully charged battery at peak level. It is not designed to charge a dead battery. Installing a new alternator on a car with a dead battery can in some cases ruin the new alternator. Fully charge the dead battery before starting the engine.


Why does the battery light keep coming on your 1995 Pontiac sunfire even though the battery is new?

It could be your alternator is going bad


Im on your third alternator battery stays strong but something continues to kill the alternator ive taken the fuse out of the radio have a new starter and alt belt so?

Kills alternator? don't you mean kills battery? Installing a new alternator without first charging the battery well (2amp for 8hrs) will quite likely burn up a new alternator as well as being hard on the battery.