battery, alternator? we dont know what is wrong?

[ledrefoc]

Just a question i have about my friend 95 maxima v6, he put a new alternator on it he got from autozone and a new battery. for some reason the battery does not stay charged? i dont think its the alternator because when the car is jumped off it will run forever until you turn it off then it dies almost immediatly.

someone help me out please!!!

thanksDell

[davskins97]

You could have a vampiric drain on the battery when the car is off, but when you say almost immediately are we talking minutes? If it is a bad battery that won't hold or take a charge that shouldn't be very hard for Autozone to diagnose.

My battery experiences:I had a brand new battery once that had a bad cell, but overall the battery test good. It killed 3 alternators before they figured it out. I also had a dirty battery that was causing current to be conducted across the top of the battery, making my car electronics go haywire.

A qualified tech (they take courses on how to use the tester) at Autozone should be able to diagnose your friend's problem for free.

[loystock]

Since it runs 'forever', then alternator is good - the battery or your connections could be the problem.

Rod