do not replace anything yet ! first check the electrical system . disconnect the negative cable , $ x0 g+ L. m8 a, g; V5 Zconnect 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 , - Q' U& B4 a4 [# w3 qnow you know in which that device is draining the battery .