do not replace anything yet ! first check the electrical system . disconnect the negative cable ,2 h7 [; U. |1 S: L: 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 , k- }- r$ B# W# Lnow you know in which that device is draining the battery .