do not replace anything yet ! first check the electrical system . disconnect the negative cable ,) c0 [( T& i! t' d4 `1 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 , 6 a9 B1 j2 s" r. n$ znow you know in which that device is draining the battery .