The suppressor normally found in power tools often in the handle of drills is the normal way to get rid of the problem.
See this http://www.maplin.co.uk/p/delta-suppres ... lter-rg21x as an example although rather expensive from Maplin. From vacuum cleaner to electric drill they all have them, some two wire some three wire. They are not designed to stop the LED glowing dim but 9 times out of 10 they work.
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!