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Why will a batter not hold a charge when the alternator has been replaced?
Wiki User
∙ 14y ago
Maybe the batter is dead or you got another bad alternator.
Wiki User
∙ 14y ago
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Why would your Bonneville charge somedays and then not charge other days you replaced the alt and battery?
I have a 92 Pontiac and also had similar situation. Sometimes the voltmeter would go to 14volts and other times it would sit at 12volts. When I tested output from alternator to the battery with voltmeter, I did not get a good reading. Upon removal of the alternator to get it replaced, I noticed that the smaller (red) cable that goes from the alternator to the battery was loose in the connector itself. I cut the cable at the connector, stripped the cable some and crimped on a new connector. Reattached to alternator and put alternator back into vehicle. All has been fine since. Hope this may fix your problem.
Can an alternator be directly wired to a battery?
Yes, as long as the diode in the alternator has not been removed. Alternator products AC, the diode switched it to DC which is used to charge batteries.
Is the Dodge Intrepid a good car?
We have a 2003 Dodge Intrepid and it has 249,300 on it. The alternator and radiator have been replaced and a broken wire has been replaced on the transmission. This car has the 2.7L engine.
Why would the battery in a VW Jetta not be getting any charge if it has been replaced but you still have the same problem?
You need to check if the ALTERNATOR is giving the correct output so as to charge the battery. By having a volt meter across the batery terminals one can then rev the engine and the voltage accross the battery should be about 13.8 volt indicating that the Alternator is charging the battery. If this 12 volt bateery voltage does not increase, this indicates a charging problem (mostly with the alternator either the brushes or one of the diodes in the alternator).
Can a crankshaft sensor on a 96 SL1 go bad after the alternator has been replaced?
You more than likely have a bad connection or damaged the CPS when removing the alternator
All gauges erratic and voltage to battery is 19 volts computer and alternator has been replaced what causing?
All that would be left would be a short in the wiring to the alternator.
Battery has been replaced and alternator is good why does truck still loose power?
Try the cables from your battery and alt. Sometimes these can corrode.
My 1991 Chevy van wont charge battery. the battery is good and the alternator has been replaced and from what ive herd the voltage regulator is internal in the altinator anybody know whats wrong?
Even though the alternator has been changed, take the car to a parts store and ask them to check the output. Some alternators are rebuilt and every once in a while, one of them is bad. Also, check the wiring on the alternator and make sure there is no corrosion on the battery cables. If none of those things help, you may have to take the alternator apart and replace the voltage regulator. One other thing, the alternator relay may be shot.
Why does your 1994 caprice classic stall when you accelerate The alternator has been replaced.?
The alternator has nothing to do with stalling. When did you last replace the fuel filter? If the engine light is on then have a repair shop scan it and repair it. It is cheaper than guessing.
What happens when the battery is reversed and you run it like that a little bit Then the altanater goes out on you and none of the lights work except the charge light and the replaced headlights?
I'm thinking that anything that is polarity sensitive might have been damaged, including the engine control unit. The voltage regulator and alternator diodes may have been blown.
Why does the starter not crank on your 2002 Pontiac grand am The starter and battery are good and the key has been replaced?
check your alternator or make sure the starter is on correctly
Why does the battery light go on in a 1997 Ford Taurus station wagon when a rebuilt alternator has recently been installed and the battery was replaced less than a year ago?
Could be a bad signal sent by the computer or the alternator is not charging to full capacity. Have someone check the charging amps on the alternator.
