PeterN wrote:The Radiospares stuff we used to have in the '50s was pretty well neat carbon tetrachloride - outlawed now I believe but it worked well though.
Peter
Carbon Tet! fantastic stuff for getting your hands clean when I was working in the machine shop
1996 1.9 TD LX (Gone but not forgotten)
2003 2.2 HDI SE
Not a good idea to use a non-conductive cleaner as it will coat the contacts and add to the problem. WD40 is based on fish oil, and leaves a very fine residue behind when the solvents etc have evaporated. I would use brake or carb cleaner spray to clean off the non-conductive though.