Dielectric grease is sometimes called tune-up grease and is typically used to protect against corrosion. Despite its relationship to electricity, it does not conduct electrical current.

Dielectric grease is not an automotive necessity like oil or coolant, but it’s a popular product used in garages across the country. Most commonly applied on spark plug boots, lightbulbs, and ...

A look at dielectric grease and how it is used in automotive ignition spark plug wires, electrical harness connections, and other automotive wiring situations.

As you might have guessed, dielectric grease is best used sparingly, as huge blobs of the stuff will be both messy and wasteful. It's best applied using something like a cotton bud, which can ...

Car battery terminals are key components of your vehicle's engine. Should you grease them? And if you should, what kind of ...

ATLANTA — To provide an alternative to manual lubrication, Graco Inc. unveiled its new electric grease jockey pump at the inaugural North American Commercial Vehicle Show.