do not replace anything yet ! first check the electrical system . disconnect the negative cable , % \0 \1 I1 M5 j% }8 i0 g: v c! `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 , ' a" n ]8 Y. s0 gnow you know in which that device is draining the battery .