do not replace anything yet ! first check the electrical system . disconnect the negative cable , 2 l$ e3 ]0 B& g( h7 d( R6 qconnect 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 ,6 A% w& N: \, t# J
now you know in which that device is draining the battery .