do not replace anything yet ! first check the electrical system . disconnect the negative cable ,5 ]* J8 J8 B% `2 B
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 , 5 |7 C6 ]- N9 {7 anow you know in which that device is draining the battery .