What causes a speedometer to go crazy and the car to die after replacing the alternator that kept draining a 7 month old battery that stays fully charged out of the car?
That depends on the make, model, and year of car. If it is a ford from 1980 - 1990 then it is most likely a bad earth connection to the body of the car. Other cars have other problems that can also cause this.
What do you if your 99 Grand Cherokee is draining voltage and the car dies even after replacing and charging the battery?
What could be wrong with 1998 Chevy lumina you had a starter alternatnor and a battey put in but the battery keep draining?
A bad alternator will have the effect of draining the battery, resulting in dim lights, trouble starting the car and the like. It would be best to replace the alternator as soon as possible and possibly obtain a new battery. This may vary depending on how much the bad alternator has drained it. You can get your alternator and battery checked any time at Auto Zone.
Either the battery has a dead cell and needs replacing, or alternator is defective, loose or corroded battery cables, or something is draining the battery. Look for a courtesy, trunk, under hood, glove box light that is on. Also can be a defective brake light switch which causes the brake lights to stay on.
What would cause a 1997 ford contour 5 speed lose RP-M's and speedometer stops working after replacing battery and alternator?
What is wrong with the battery if it wont stay charged with a new alternator on a Chrysler 5Th avenue?
Your alternator is probably rebuilt and not really new. I have had this problem several times and I have bought a new battery and alternator. The alternator keeps your battery charged and powers your electrical system, so even when driving you can lose all power in the car from the alternator draining your battery. Take the battery and alternator to an auto store and they will test both for free. Ask them about the difference…