do not replace anything yet ! first check the electrical system . disconnect the negative cable , 7 ]: E: c a1 C/ _% Z5 |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 , : S8 f! D$ C; f; o2 A; Dnow you know in which that device is draining the battery .