Originally Posted by ksisler

For any electrical or signal connectors and "contacts anywhere", recommend "Dielectric Compound" available at most home stores and many hardware stores. Of course you can buy it on Amazon, eBay, etc., also. It doesn't make a mess, is easy to apply, etc., and 30 years from now if you loosen a connection you will see it still there working properly and the contacts will still be shiny as new.

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