Trailer Lights and Wiring
Custom-Fit Trailer Wiring
Trailer Wiring Adapters
Select your vehicle and trailer connectors below to find the correct wiring adapter for you.
VEHICLE WIRING PLUG
TRAILER WIRING PLUG
on Trailer Lights and Wiring
Trailer Lights and Wiring
- How to Adjust New Electric Drum Trailer Brakes
The first step that you will want to take is to jack the trailer up on properly rated jack stands. Make sure the trailer is suspended securely before replacing the brakes. Once you have your new electric brakes installed and the hub and drum mounted,… view full answer...
- How to Wire Electric Brakes on a Tandem Axle Trailer
If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other… view full answer...
- How to Use a Taillight for Both Third Brake and Running Light Functions
In order to use a third brake light for both brake and running light signals, you would need to use a light with turn, brake, and running light capabilities such as the Thinline LED Trailer Tail Light part #STL59RB. As most trailers are a 3 wire… view full answer...
- Best Trailer Tire Recommendation for Size ST235/85R16
The best tire for a trailer is going to be based on a few things. You will want to go with a tire that has a weight capacity that is higher than what your trailer would call for when loaded, and has a speed rating that is higher than the speeds you… view full answer...
- How to Determine the Size of a Trailer Hub Assembly for Replacement
To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked… view full answer...
- What Does the 5 and the J Indicate on a 15x5J Trailer Wheel and ST205/75D15
The 5 means that the wheel is 5 inches wide from bead to bead (not overall width). The J indicates the design of the wheel bead seat but it is nothing you need to be concerned with as this is the most common shape for all trailer tires. To measure… view full answer...
- Installing 7-Way Trailer Plug on Trailer with Electric Brakes
I recommend the Hopkins 7-way molded trailer wire connector #H20044. It will measure 6-feet long and provide you the functions required for your electric brakes. If you prefer a longer connector, the same item is available in an 8 foot length as part… view full answer...
- How to Provide Power to Trailer Reverse Lights
To connect back up lights you need to have a 7-way trailer connector on both your trailer and tow vehicle. On a 7-way the reverse lights are powered by the center pin. To connect reverse lights to the trailer's 7-way you can use 16 gauge wire… view full answer...
- How to Select Trailer Tires with Correct Load Range Rating for Trailer Gross Weight
Your math is correct in your trailer weight load example. If a fully-loaded tandem axle trailer weighs 4000-lbs then each of the 4 tires will bear 1/4th of that load, or 1000-lbs. In this case a tire rated for 1300-lbs would provide a good safety… view full answer...
- 7-Way RV Trailer Connector Wiring Diagram
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… view full answer...
- How to Wire a Brake Controller to a 1998 Chevrolet Pick Up Truck
I have attached a diagram that shows how to wire a brake controller from scratch. If your truck did not come with a 7-way trailer connector, then you will also need to use the Installation Kit, #ETBC7. Your 1998 Chevrolet Pick up will not have a… view full answer...