Quick battery Question

[C-Dizzle]

I have a 1998 Chevy tahoe and the battery keeps dying. I have replaced it and it still happens. If it sits of a day or some and is not started the battery dies. The other day i went to turn the key to start it and it would and then there was a clicking sound, but the tahoe was off and the key was out. what is going on? can anyone help?

 

[SPXTrader]

Check your passenger side vanity mirror. That was giving me problems and I fixed it. Worked great for a few years.

But the problem has returned. Charging/battery check out OK.