do not replace anything yet ! first check the electrical system . disconnect the negative cable , 9 c. i- o8 V8 j& H4 Sconnect 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 ,1 V# g8 s" a: n8 Y5 x- V
now you know in which that device is draining the battery .