do not replace anything yet ! first check the electrical system . disconnect the negative cable , 8 k9 `; {& M5 u/ pconnect 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 ,) Z- |: o, t( `7 ?, A
now you know in which that device is draining the battery .