do not replace anything yet ! first check the electrical system . disconnect the negative cable , 5 P$ J( R! s% bconnect 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 ,, E. X3 S. Z' e; y2 p
now you know in which that device is draining the battery .