Make installing your trailer wiring harness as easy as possible with a custom fit wiring harness. Trailer wiring from Draw-Tite, Curt, Pollak, Tow Ready, Bosal, and Hopkins eliminates or reduces the need to cut and splice wires. It also helps to protect your vehicle's sensitive electronics from mis-wired trailers.
Choose the year of your vehicle to the left to find a custom fit trailer wiring harness.
Videos
for Custom Fit Vehicle Wiring
Help Articles
Expert Answers
The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…
A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…
I agree it is the right time to upgrade to a Lithium charger/converter as not all are Lithium compatible. I recommend using the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K which is a replacement for…
I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any…
Seal 171255UC has an inner diameter of 1.719 inches and outer diameter of 2.565 inches. A seal that has those dimensions would actually be #58846. I've added a link to a video review…
If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will…
Brake systems are not dependent on the hub bolt pattern. So you can use the Electric Trailer Brake Kit #AKEBRK-7-SA for 12 inch hub/drums or #AKEBRK-35-SA for 10 inch hub/drums. Then use #10-1-1 wire sold by the foot for your brake magnet wiring.…
I did some checking and the hub/drum we offer that will work for you is the part #8-430-5UC3. This uses the same bearings as the 8-415 and will be an exact fit aside from the fact this is a non-ABS setup and the 8-415 came in an ABS setup and…
Normal operating temperatures for drum brakes range from 150-400 degrees F. During certain stopping conditions the brake heat can exceed 600 degrees. The effectiveness and stopping power of the brakes is significantly reduced at these higher…
The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.
You will need the Red LED Trailer Clearance or Side Marker Light #328-K-52 or Amber LED Trailer Clearance or Side Marker Light #328-K-51 for your 2018 Forest River Sunseeker motorhome. These lenses have the same Top Command SAE-AP2-16 markings on…
The manual lockout on your Atwood 85778 surge brake coupler is there so that you can back up the trailer without the brakes locking up on you. Yes you can safely tow your trailer with the broken manual lockout, you just have to make sure you…
Wiring Adapter Fitguide
Trailer Wiring Manufacturers
Search For Custom Fit GMC Sierra 1500 AccessoriesSelect A Category Below
Towing
GMC Sierra 1500 Trailer Hitch
GMC Sierra 1500 Trailer Wiring
GMC Sierra 1500 Brake Controller
GMC Sierra 1500 Fifth Wheel Hitch
GMC Sierra 1500 Gooseneck Hitch
GMC Sierra 1500 Front Mount Hitch
GMC Sierra 1500 Towing Mirrors
GMC Sierra 1500 Base Plate for Tow Bar
GMC Sierra 1500 Vehicle Tow Bar Brake System
GMC Sierra 1500 Vehicle Tow Bar Wiring
GMC Sierra 1500 BOLT brand vehicle and hitch locks
Cargo Control
GMC Sierra 1500 Roof Rack
GMC Sierra 1500 Tool Box
GMC Sierra 1500 Ladder Rack
GMC Sierra 1500 Tailgate
GMC Sierra 1500 Truck Bed Extender
GMC Sierra 1500 Vehicle Cargo Control
GMC Sierra 1500 Headache Rack
GMC Sierra 1500 Truck Bed Sliding Tray
GMC Sierra 1500 Camper Tie-Downs
GMC Sierra 1500 Truck Bed Bike Rack
Performance Accessories
GMC Sierra 1500 Air Filter
GMC Sierra 1500 Exhaust
GMC Sierra 1500 Suspension Enhancement
GMC Sierra 1500 Transmission Cooler
GMC Sierra 1500 Performance Chip Tuners
GMC Sierra 1500 Vehicle Lights
GMC Sierra 1500 Tire Chains
GMC Sierra 1500 Fluid Filters
GMC Sierra 1500 Vehicle Sway Bars
GMC Sierra 1500 Vehicle Snow Plows
GMC Sierra 1500 Salt Spreader
GMC Sierra 1500 Vehicle Engine Heaters
GMC Sierra 1500 Off Road Lights
GMC Sierra 1500 Cabin Air Filter
GMC Sierra 1500 Lift Assist
Vehicle Trim
GMC Sierra 1500 Floor Mats
GMC Sierra 1500 Tonneau Cover
GMC Sierra 1500 Nerf Bars - Running Boards
GMC Sierra 1500 Trim Kits
GMC Sierra 1500 Vehicle Covers
GMC Sierra 1500 Grille
GMC Sierra 1500 Grille Guard
GMC Sierra 1500 Bug Shield
GMC Sierra 1500 Side Window Vents
GMC Sierra 1500 Truck Bed Mat
GMC Sierra 1500 Mud Flaps
GMC Sierra 1500 Truck Tailgate Lock
GMC Sierra 1500 Truck Bed Rail Caps
GMC Sierra 1500 Vehicle Tent
GMC Sierra 1500 Vehicle Seat Covers
GMC Sierra 1500 Replacement Mirrors
GMC Sierra 1500 Windshield Wiper Blades
GMC Sierra 1500 Wheel Well Guards
GMC Sierra 1500 Windshield Covers
GMC Sierra 1500 Vehicle Air Mattress
GMC Sierra 1500 Truck Bed Camera