do not replace anything yet ! first check the electrical system . disconnect the negative cable , + }% Z; J7 O( L% l4 Z* k) x8 kconnect 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 ,: O7 y9 {, H/ k' ~! T
now you know in which that device is draining the battery .