do not replace anything yet ! first check the electrical system . disconnect the negative cable , / O5 a0 }; n- \/ h8 zconnect 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 , # _& u8 Q7 b, e5 d5 Nnow you know in which that device is draining the battery .