do not replace anything yet ! first check the electrical system . disconnect the negative cable ,$ z Z+ `( Q0 o J$ F) n7 H' z
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 , , z) r; }, _: t- Rnow you know in which that device is draining the battery .