7-Way, Vehicle End, Trailer Connector Wiring Diagram  

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…

When hardwiring a 7-Way to your 2005 Chevrolet Silverado, like part #PK12-707E, you will want to connect the following functions to the following pin locations: 1 o'clock - 12V Power 3 o'clock - Right Turn/Stop 5 o'clock -…

Since the trailer was off of the ground it would not take much voltage to stop the wheels from spinning so they may be getting power but they may not be getting enough power due to a short or wiring issue. But 9 times out of 10 weak trailer brakes…

It actually sounds like something may be loose in the brake drum somewhere. If you have taken the wheel and hub off and nothing is obvious, I recommend adjusting the brakes manually as shown in the attached video. If you adjust the brakes and still…

The right and left orientation is determined if you are standing behind the trailer looking towards the tow vehicle. The left side is the drivers side and the right side is the passengers side. Tthe shorter brake pad will always be in the front of…

Yes, we have diagrams for nearly every type of trailer wiring connector available. Check out the link I attached to see them all. Most likely you have a 7-way on your 2008 Chevy Silverado so I attached a picture of a diagram of a 7-way.

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…

I have attached a photo for you below which shows how both a vehicle side and trailer side trailer connector is typically wired. I say typically because this is not always exact and so long as the trailer and vehicle side both match it will not…

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

Yes, there is a measurement you can take to determine what size brakes you need and if they will fit your existing drums. You will want to measure the diameter of your drums. I have included a diagram detailing the dimensions you will need to find.…

We do have an electric over hydraulic disc brake kit that will fit a trailer with two 7000 lb rated torsion axles. In addition to a hydraulic disc brake kit, you will also need a brake line kit, that is compatible with electric over hydraulic brakes.…

The barrel on the Replacement Front Turnbuckle for HappiJac Original Turnbuckle Set, part #LC182901, is 10 1/8" in length. I have included a product description, a video review link below.