Found this on an automotive site I follow. Looked like it might be of interest to us for alternator/regulator connections.
Pat S.
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Lube Lab, Inc is starting to sell an industrial anti-corrosion, anti-oxidation conductive paste used in buried cables etc. Use on battery posts, under ground connections and even in terminals of connectors. I have used for several years and eliminated the problems we hear about all the time. Product is available on website, http://www.claslube.com/ although not listed today. Order Kopr-sheild. $12.00 ea. for 1 1/2 oz brush bottle. Paypal accepted. Includes postage.