do not replace anything yet ! first check the electrical system . disconnect the negative cable , " w/ M7 x; s% B0 m7 P7 w1 gconnect 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 X* H" o5 |% V& m1 O( F
now you know in which that device is draining the battery .