do not replace anything yet ! first check the electrical system . disconnect the negative cable ,4 A1 n/ O+ ]* K/ L! d& D
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 , 2 ]" q# Y( |1 `2 z3 Q9 znow you know in which that device is draining the battery .