do not replace anything yet ! first check the electrical system . disconnect the negative cable ," _7 |. Z$ }: l9 O5 u
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 , ^6 |: R# l* B. y% e. i/ H2 @
now you know in which that device is draining the battery .