grease on 12volt connections

[RKL2]

I just replaced a failed 135amp resettable circuit breaker on my Freightliner XC chassis and noticed that the old breaker and the two beside it has grease on the connection studs...I don't know if it was put on to protect the connections from corrosion or it flew up there from the universals...Should I cover the new studs with grease, if so, what kind? or use a spray protection or nothing at all.....Thanks RKL

[RKL2]

I just replaced a failed 135amp resettable circuit breaker on my Freightliner XC chassis and noticed that the old breaker and the two beside it has grease on the connection studs...I don't know if it was put on to protect the connections from corrosion or it flew up there from the universals...Should I cover the new studs with grease, if so, what kind? or use a spray protection or nothing at all.....Thanks RKL

[405landlord]

I would use dielectric grease on those connections. It is available at any auto parts store. Sometimes called tune up grease.

[gunny]

That grease is dielectric grease, different from the grease you would use on say U-joints. Get some at an electric supply house, automotive parts store or possibly radio shack. Again, it has different properties than lubricating grease even though it looks the same. Do NOT confuse it with other substances such as No-Ox.