7 Way Trailer Plug Grease

It’s a plastic cap that fits over the fifth wheel trailers electrical plug for lights and brakes when not in use.
7 way trailer plug grease. 12 volts, 30 amps features: 7 way american rv plug. I just received a product sample from a company called gr innovations llc and after looking at it i can’t believe it isn’t standard equipment.
Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. A thin coat of grease will help prevent copper oxide from building up. Flat to round plug/socket adaptor.
All customers get free shipping on orders over $25 shipped by amazon. Also the tail lights on the truck., open clean dielectric grease, also if bulbs have any discoloration change them. Most of us aren't electricians, but that doesn't mean wiring a trailer or replacing corroded wiring is beyond us.
7 way round (tow vehicle end) to 4 pin flat (trailer end). 4.4 out of 5 stars 217. Slip plug saver over plug.
Trailers with electric brakes need them too. All you need is a thin layer of anything (and grease is cheap and sticky) to keep the oxygen (from the air or water) from getting to the copper. I put a plug on the trailer and one on the truck.
How to wire 7‐way trailer plug for power jack tools: Male trailer end 7 way rv blade type; Though being that they are designed for 1,000’s of uses vs the tens to perhaps 100 of the bargman.