Your battery won't stay charged after checking alternator and wires and you have a new battery why?

Answer

You probably have a battery drain from a defect. circuit. Just put a test light between the ground of the battery and the ground cable. If you have a drain problem, the light will go on. Then you remove the fuses one by one until the light goes out to isolate the circuit. A electrical wiring diagram will be appreciated.

Parasitic Draw It sounds like you have an excessive "Parasitic draw" problem. It is called parasitic because when the car is not running, certain components feed off the battery, such as the computer, clock etc. When other components like a dome light is left on, it will take more energy then the battery can supply in a short time draining the battery. If you are sure that everything is off, including hood light, dome light, glove box light, trunk light, then your best to take it into an independent repair shop and have them troubleshoot it. Pukenstein@aol.com

The battery that is with the car when new is no good. I replaced mine with another brand ,Kirkland, and it's been OK since. Also the 80 amp alternator needs to be replaced with a 90-100 amp because of the accessories on the car.