do not replace anything yet ! first check the electrical system . disconnect the negative cable , + W, Z) u* ^% Tconnect 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 ,8 |1 }9 i. j$ G2 q2 B5 x( X/ U
now you know in which that device is draining the battery .