do not replace anything yet ! first check the electrical system . disconnect the negative cable , / ~; {) r4 ]; T% G& Z2 X& Oconnect 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 , ( t( ~1 @4 \9 s+ S1 Snow you know in which that device is draining the battery .