do not replace anything yet ! first check the electrical system . disconnect the negative cable , c6 I; m! {) Y: F* W: g& e. g
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 , - m) k1 d$ v3 q: Z( o( Bnow you know in which that device is draining the battery .