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OS is correct-(minus the expletives)=-dialectrics always resist the flow of elect current. Don't get it on the metal-to-metal contact area.Jesus Christ that guy got it wrong.
A "dielectric material" is an insulator.
The purpose of dielectric grease use on a car is for ease of removal of the rubber boots on spark plugs and to seal out moisture. That's it.
Never apply dielectric grease to any mechanical electrical contact.
Actually you are both (both) correct and incorrect. Dielectric grease is characterized by low viscosity which allows the grease to completely be pushed out of areas with metal to metal contact. So it is fine and often recommend for electrical connections in many different industries (including automotive) It serves to prevent moisture and corrosion as well as a lubricant to aide in installation and future removal of connections. Dielectric is better at high voltages than other greases. A light coating is all that's needed.OS is correct-(minus the expletives)=-dialectrics always resist the flow of elect current. Don't get it on the metal-to-metal contact area.