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I have had to "crimp" two spade connectors to tighten them so far in the furnace and have also coated them with a dialectic grease of the high temp variety to prevent corrosion. The furnace and water heater boards are ideal locations for that darn "corrosion of contact" issue. You have to be careful to select a dialectic grease that will stand up to warm temps (dark brown gummy stuff) such as that used on semi-truck battery terminals. As an aside; you can use the same stuff for all of the connections in the wiring for those who have electric brakes to seal those stupid Marr Connectors from road moisture.
The connections up in the pin box area in the 4" service box can also be given a liberal dose of this stuff but be forewarned that it "sticks" to everything and will make any future work on those connections a very messy job. I use the latex medical gloves when playing with this stuff.
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Sandra, Bruce
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