Will doing the relay mod solve the problem ? ... Personally, I don’t think the relay mod is required, unless the relay in the MFRU is failing. ... The click is the final common path of a wide range of problems. As Ian observes there's a vast amount on these in the archives. And one of the things you'll spot in that trawl is the reluctance of some Members to seek a diagnosis before the treatment. Fortunately we have experts who will help. :-) Jonathan