On Wed, 11 Apr 2012 10:41:38 -0700, "William Sommerwerck"
put finger to keyboard and composed:

I decided to give the plug a proper cleaning with DeOxit.

I use Philips 390CCS contact cleaner. It fixes most of these kinds of
problems.

Otherwise, if the contacts are large enough and flat enough, I use a
cotton bud and Brasso metal polish.

- Franc Zabkar
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