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.

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

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 ...

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 ...

And, like many of DeWalt’s 20V Max tools, this electric grease gun features built-in LED lights that will illuminate grease fittings that you might not be able to see otherwise.