do not replace anything yet ! first check the electrical system . disconnect the negative cable , : M$ Y( B$ u) I2 X rconnect 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 ,( v, y: H0 K2 i% J! N: T
now you know in which that device is draining the battery .