How Do You Wire A 7 Pin Trailer Plug With 5 Wires

Its the dreaded 7-Way Trailer RV plug that we all have come to know and love. This type of connector is normally found on utvs atvs and trailers that do not have their own braking system.

Pin On Auto Repair

Does your vehicle have a 4-Flat trailer wiring harness but you need to tow a trailer with a 7-Way harness.

How do you wire a 7 pin trailer plug with 5 wires. Next crimp ring terminals onto the new wiring. The 7-Way Trailer Plug is around 2 diameter connector that allows an additional pin. Click on the image to enlarge and then save it to your computer by right clicking on the image.

It accomplishes the same thing for 5 wires but with a connector thats compatible with your truck. Wiring by function is the best way to make sure you have the trailer connector wired correctly. Twist the ends of the cable to ensure that the cable stranding does not separate.

What kind of connector or harness do i need to buy from you. My recommendation because your wiring colors are not standard is to use the Epicord 7-Way Molded Trailer Plug with Junction Box - 10 Long 277-000141 to help you with isolate the functions and assist with future troubleshooting as needed. A simple step by step video to demonstrate how to wire a 7 Pin Trailer PlugIf you have any questions dont hesitate to drop us a comment below or contact us.

5 Pin Trailer Wiring Diagram Download. Green-right turn signalright brake light. When finished reinstall the nuts.

7 pin trailer wiring is one of the most popular wiring configruations particularly the traditional configuration versus the sae j2863. Wiring Diagram For A 7 Round Trailer Plug Inspirational 5 Pin Flat. Most new vehicles equipped with a tow package have connectors.

Use the 7-pin connector anyway see below and just leave out the last 2 wires. 7 Way Plug Wiring Diagram Standard Wiring Post Purpose Wire Color TM Park Light Green Battery Feed Black RT Right TurnBrake Light Brown LT Left TurnBrake Light Red S Trailer Electric Brakes Blue GD Ground White A Accessory Yellow This is the most common Standard wiring scheme for RV Plugs and the one used by major auto manufacturers today. If you dont follow this your trailer or tow vehicle cant be used with any other implement.

The 5-Pin flat connector above is nice for easy handling but if your vehicle already has a 7-pin just use it. Place the terminals onto their corresponding studs in the junction box ground wire to ground wire brake wire to brake wire etc. I have a Mazda Miata with the standard 4 pin connector and i Have a small cargo trailer that has 7 wires 2 red 2 brown 1 green1 white and 1 yellow that I dont understand.

Cut any excess wiring from your new cable and strip the wires of insulation using a crimper. Crimp each connector then plug the connector into the tow vehicle. If your truck has a built-in 7-pin socket but you only need 5 of the pins.

Start by stripping the ends of your Trailer Cable by 5mm using a Wire Stripper. This will also give you a molded 7-way connector and box to ensure your connections are well protected. How to wire a 7 pin flat trailer plug.

Splice the seven-pin trailer plug leads to the trailer harness. If you need the blue wire for reverse brake lockout you will attach it to the center pin of the 7-Way connector. Trailers with electric brakes need them too.

We recommend a Code. Be sure you know what the black wire function is on the trailer. If you need it for 12 volt power you will attach it to the 4 terminal at the 1 oclock position.

Complete with a color coded trailer wiring diagram for each plug type including a 7 pin trailer wiring diagram this guide walks through various trailer wiring installation solution including custom wiring splice-in wiring and replacement wiring. Tail black or brown 5 or 7. If your vehicle is not equipped with a working trailer wiring harness there are a number of different solutions to provide the perfect fit for.

You might want to test the center pin on the 7-Way with a circuit tester like part 40376 on your vehicle to make sure it is wired. Back working in the shop. Yellow-left turn signalleft brake light.

Wrap the spliced wires in electrical tape and make a wiring harness. Take your 7 Pin Trailer Plug or Socket and Unscrew the Cap remove the Cable Gland and Outer Casing. Normally the 2 tail lights have a separate wire for each side but this is not necessary so you can stick your tail wire in either of the 2 positions on the plug.

There is a standard method of wiring a 7-pin trailer connector. Test each circuit and make any needed corrections. The best solution for your situation would be to use a circuit tester like part 40376 to wire your trailer wires to a seven way trailer connector like part A7WCB.

This video shows the process of relocating a trailer wiring connector from inside of a truck box to the rear bumper near. Note that this type of 4 pin connector is less common that 4 pin flat connector. In this video we go over how easy and fast it is.

Brown-tailmarker lights feeds both sides and all marker lights on trailer Red sometimes purple-backup comes off main vehicle harness line to backups on the trailer if you have them Looking at the INSIDE of the 7 pin plug the center. Variety of 5 pin boat trailer wiring diagram. KTES KT Easy Wire Stripper 3.

Pin On Mechanic S Corner