do not replace anything yet ! first check the electrical system . disconnect the negative cable , " P% n3 d! C$ ~7 [9 n6 M3 Pconnect 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 ,4 w+ U( ^8 Y8 o1 a) \7 A
now you know in which that device is draining the battery .