do not replace anything yet ! first check the electrical system . disconnect the negative cable , # v5 i# {9 r4 M1 T: R4 x7 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 ,* @+ u+ Y6 a# P) J* @2 A
now you know in which that device is draining the battery .