Hopkins Wiring - Trailer Connectors - HM20087 Review Video

The Mighty Cord Replacement Hardwire RV Plug, part #A10-P30VP, can be used outdoors but this plug can not be exposed directly to the elements since it is not 100% waterproof. As long as there is a door or other form of protection on the power…

The Mighty Cord Replacement Hardwire RV Plug part #A10-P30VP is about 4" long x 2-1/2" wide x 2-1/4" thick. This should fit inside your power cord hatch but you will need to measure to be certain.

The head in the picture is the Reese #RP54980 however the trunnion spring bars to fit are no longer available. Unfortunately, your best bet may be to replace the entire system. If an 800 pound rated system is enough for you I recommend the Fastway…

Your trailer battery is the reason the 12 volt accessory circuit on the 7-way part #HM48503 is lighting up all the time. It's voltage is backfeeding to the connector and lighting the LED. This LED draws such a low amount it would take a very long…

If you are not wanting to use a Adapter 7-Pole to 6-Pole #47549 and would rather wire in a new Hopkins 7-Way RV Style Connector #HM20087 the wiring may be confusing. There may be some trial and error involved as the wiring could have been connected…

For your 2020 GMC Sierra 1500 Denali I recommend the Air Lift LoadLifter 5000 Air Helper Springs #AL57388. These air springs provide up to 5,000 pounds of load-leveling capacity to help distribute the weight of your load across all four wheels and…

Some trucks do need an under-the-hood connection of wiring to activate the 12V trailer power feed and the trailer brake controller power input feed. This process is outlined and illustrated in the linked article, in the section titled…

To keep the trailer battery charged you will need to run a 10-gauge power wire like the part #10-1-1, from the 12-volt power pin (#4 terminal at 11:00 position) on your trailers 7-way connector, to the positive terminal on the trailer battery. Now…

Lance does have a proprietary plug, but many customers see a standard 6-way or 7-way round and notice it doesn't fit their factory 7-way as well. I've attached an article to help if you have one of the 7-way or 6-way round connectors which we…

I went out to the warehouse and measured the LaSalle Bristol Cable-Actuated RV Waste Valve for Gray Water Tank #34466N11AB48GMA and got the following measurements pictured below. If you were referring to a different part or need any other…

We do have a solution for your needed parts however, I inquired about individual parts purchase for the TorkLift Custom Frame-Mounted Camper Tie-Downs #TL54FR & #TLC2224 and these are only sold in kit form. So while we can supply you what you…

The Dealership is correct that the 2021 GMC Sierra is not going to send power back to the 7-way unless it senses a load. Since your trailer wiring is chewed up, the 7-way is most likely not sensing a load. The fix for this would be to use an older…