do not replace anything yet ! first check the electrical system . disconnect the negative cable , % G3 L" }. _8 h* x& @# [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 , # ^) H, H6 a7 Bnow you know in which that device is draining the battery .