do not replace anything yet ! first check the electrical system . disconnect the negative cable , & H7 u9 B9 w1 y# S8 fconnect 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 ,- Y# _% }/ k, G) e* p- }( E
now you know in which that device is draining the battery .