An emery board cut down the center to make it much thinner is a great tool to clean those contacts with too. The thinner the better as long as the contacts dont tear it.

When your thru sanding the contacts a quick wipe with rubbing alcohol is a good thing to do to insure everything is smooth and clean.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."