When applied to spark plug boots, dielectric grease provides a seal to protect the plugs from corroding and stops the boots from sticking to them. Dielectric greaseshould not be utilized in switches that involve arcing. Such actions may turn silicone into silicon carbide, leading to failure. Nati...
Dielectric grease is widely used as a sealant for spark plugs in gasoline or diesel engines, as well as on the gaskets of multi-pin connectors in the electrical systems of vehicles and boats. When used with spark plugs, it's applied to the rubber part of the plug wire. This helps the ...