Not quite what you're asking, but I use "Deoxit" (from Caig)=20 to get the gunge off the terminals and they seem to perform=20 as they should afterwards. It apparently leaves a protective=20 coating, which means I don't worry about the plating (nickel,=20 probably) that was there before. Cheers, Howard Winter St.Albans, England --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .