do not replace anything yet ! first check the electrical system . disconnect the negative cable ,: Q9 I' @5 G6 V K, F* ]
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 ,1 o0 p! Y, [4 ^
now you know in which that device is draining the battery .