do not replace anything yet ! first check the electrical system . disconnect the negative cable , Z3 c* ~. H' [0 J7 u, c6 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 , ' N2 f6 f* t0 L* F& t# Dnow you know in which that device is draining the battery .