Shoutout to the old timer who showed me the wire brush trick at PDX

Last week at Portland International, this guy in his 60s walked over while I was fighting a corroded terminal block and said 'stop scraping, brush it dry.' Swapped to a stiff stainless brush and the connection tested clean in 2 minutes, saved me a full wire replacement. Anyone else pick up a quick fix from a veteran that stuck with them?

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