do not replace anything yet ! first check the electrical system . disconnect the negative cable , 1 R% I( B5 w0 v- f$ [2 ~$ \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 ,8 N N# X5 ~! ?6 j8 q$ ?
now you know in which that device is draining the battery .