Do you know what it is, and how to apply it? This is one of the most misused automotive products in use today because people that sell and recommend it have never learned much about it. On another forum that I read on a regular basis, it was being recommended to be used exactly where it shouldn't be used, and many are heralding how well it works for resolving electrical problems. Read this tutorial and learn where, when, and why. https://www.motortrend.com/how-to/what-is-dielectric-grease/