Permatex Dielectric Grease .33oz 81150This Dielectric grease is designed to protect your electrical connections and wiring from salt, dirt, and corrosion. This helps extend the life of your bulb sockets and prevents voltage leakage from electrical connections.Benefits of using Dielectric Grease Prevents voltage leaks; Protects electrical connections; Extends life of bulb sockets; Prevents spark plugs form fusing to boots; How to use Dielectric Grease How to use Dielectric Grease; Make sure ignition system is off; Clean surface with Permatex contact cleaner; Coat both parts of terminal contact with the dielectric grease; Reassemble, maintaining metal to metal contact;