This grease is not just for trailer plugs. The extra moisture and salt combination does do a number on electrical parts when they are not treated with this grease. When you live in very moist regions of the country, dielectric grease is a must-have product. Required for modern high energy ignition systems.' Also prevents spark plugs from fusing to boots. Prevents voltage leakage around any electrical connection. After you get the plug’s metal parts cleaned, let it dry, and then add the dielectric grease.įrom the Permatex website, this is a company that makes one form of this grease- “Protects electrical connections and wiring from salt, dirt, and corrosion. Using cleaners is just the first step in this maintenance task. You have to make sure that you clean the metal parts on your plug for the dielectric grease to work. Is Dielectric Grease Good For Trailer Plug?īy itself, it may not be a great application. If you want to stay legal then make sure to properly care for your trailer plug. The silicone-based grease is the type of product you should use instead. The petroleum products can eat away at the rubber on your plug, ruining them a lot faster than you would want. The key to doing this task is not to use any petroleum-based cleaners or greasers. Because the plug plays a very important role in your trailer towing life, you do need to take care of it. Or buy some plug covers from Walmart or some other retailer. Out of the weather locations can include being placed in your truck bed and putting a cover over the bed or the plug. You won’t have to grease it as often but you should still grease it at least once a year if not more. If your trailer plug is located out of an area where lots of weather can hit, then the corrosion process is a lot slower. Your plugs need protection like any other metal part does. In these locations, your trailer plug can get exposed to a lot of harsh conditions which escalate the corrosion process. If it is out in the weather, under your truck’s bumper, or in other areas where rain, sleet, and snow can reach, then you should grease your plug. The reason for saying this is that depending on the location of the plug, it can get corroded rather quickly.

7 pin trailer connector troubleshooting