do not replace anything yet ! first check the electrical system . disconnect the negative cable ,$ B* n. I: G9 l
connect a test light between cable and battery post . if the test light lights up bright , there could be a short circuit somewhere . pull out each fuse to see until the test light goes dim , 5 |% b3 R, S" b; ^2 Q4 h# rnow you know in which that device is draining the battery .