On 2011-01-02, Ed Pawlowski wrote:

Dielectric grease, same as used on the tail light on your car.

Thanks for the tip, Ed. I find myself changing the taillights on our
mini-motorhome with annoying regularity. Maybe this will help. I
also heve an aerosol can of electronic cleaner w/ residual lubricant,
but damn if I find it! When I do, I'll report back.

nb