could be anything. Take to a credited electrical shop. They specialize in headaches.
Have the alternator checked. It happened to me, and I had to replace it.
Then something is on pulling power from the battery. Check all lights and relays.
possible your alternator is going bad, get your charging system checked out.
What is a tuping
Have it checked for codes, that should give an indication of possible causes.
Low alternator output or weak ground connection. Have the alternator checked.
Have your alternator checked out.
Have your votlage output on your alternator checked? Have your votlage output on your alternator checked?
One possible cause is a defective alternator, Have the charging system checked.
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.
Is it charging, if not have you checked wiring to alternator.
Simple, have the alternator checked and if it is okay, check the alternator circuit to the battery