do not replace anything yet ! first check the electrical system . disconnect the negative cable , 7 o$ d3 D2 T5 s9 m5 c- nconnect 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 , 1 y$ c: G$ a' P* _1 z0 l2 V$ inow you know in which that device is draining the battery .