Hopkins Wiring - Trailer Connectors - H20044 Review Video

The Curt Replacement OEM USCAR Trailer Connector #C42JR will work if you still have the US CAR Connector on your 1999 Dodge Ram Pickup. If you're needing to connect this to a square style connector then the only option we have is the tee-in…

Traditionally, trailer manufacturers did not use electric brakes on boat trailers because the brake magnet wiring and trailer wiring did not always have the best insulation or water protection. These days, more and more manufacturers are using…

Yes, the Hopkins 5th Wheel 7-Way Wiring Kit part #HM41158 does fit your 2003 Ford F-250 and will work great. This plugs inline with your current 7-way to give you an additional one to install up in your truck bed.

The Hopkins Endurance 5th Wheel/Gooseneck Wiring Harness will connect on any vehicle that has a standard round U.S. Car type connector at the back of its 7-way. The linked photo shows the connectors on this part which plug in between the OEM harness…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The yellow wire of the 7-way harness part #H20044 that you referenced goes to the center pin of the 7-way which is an aux circuit that is typically used for reverse lights if present on the trailer. Normally the red wire on a 7-way (RV standard…

The Trailer Hub and Drum Assembly part #AKHD-545-35-K is the correct replacement for an AL-KO 7230. In regards to the braking assemblies, I suggest getting a new pair, the Electric Trailer Brake Kit part #AKEBRK-35-SA. This option will save you some…

See the picture to the right for a wiring diagram of seven-way vehicle end trailer connector. If you click on it you can enlarge it. I have also included a trailer wiring FAQ page for you to check out.

To lubricate your Reese SC Weight Distribution (WD) system I highly recommend the Lubrimatic Biobased LMX Red Grease. This is an excellent grease that does a great job at resisting water and the elements. It is available in a 14-oz Cartridge #L11390.…

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on…

If you are referring to the 12 volt pin that is located in the 1 o'clock position on the 7-way trailer connector then there should be 12 volt power feeding from the vehicle to the trailer on that pin. This means that if you test the 12 volt wire…

When wiring a trailer connector, it is best to wire by function, as wire colors can vary. We have an excellent wiring diagram on our website, I will provide you a link so you can look at it. If you are looking at the inside of the trailer connector…