do not replace anything yet ! first check the electrical system . disconnect the negative cable ,& |5 [- y9 K( T5 d
connect 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 , , {9 F8 t- B& |3 W+ ~5 U& Bnow you know in which that device is draining the battery .