do not replace anything yet ! first check the electrical system . disconnect the negative cable ,$ y4 |" k- [4 X% C1 g+ j; i% c/ z
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 ,! P' Q) e2 _# i2 Z; x8 U& }
now you know in which that device is draining the battery .