A signal is going in and coming out on the appropriate wires, then there is a problem with the trailer wiring. Wire Trailer Brakes : A Step. Draw-Tite ® is a Registered Brand of. 7 Way Plug Wiring Diagram. mounted on the LEFT side of the trailer. 2 minutes ago #1 2 minutes ago #1 Hi, Anyone have the wiring diagram on the left and right tail lights. This article will walk you through how to wire up your trailer hitch plug so that you can safely and securely tow any trailer. To connect a 4-pin trailer connector to a 7-pin connector, you need to find a wiring diagram for both connectors and get a multimeter. The 4 pin trailer wiring diagram is the most essential thing that you will need to understand. In order to safely wire up your trailer hitch plug, its important to first understand the basics of wiring diagrams. Boat trailers commonly use 5-pin wiring. Trailer Wiring Videos 4-Way Trailer Wiring. In this case, the brown wire is used for the tail lights, the license plate light, and the side marker lights. The metal-to-metal contact in the hitch is not reliable enough for a consistent. It shows how a electrical wires are interconnected and may also. This trailer wiring guide comes 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. Towing Electrical from CURT. The trailer wiring diagrams listed below, should help identify any wiring issues you may have with your trailer. Green-Right Turn/Brake - Remember green has an R in it. In the Trailer Wiring Diagram and Connector Application Chart below, use the first 5 pins, and ignore the rest. On the vehicle side, the blue wire connects to the brake controller The blue wire is the brake control input wire, and it should be connected to the brake controller on the vehicle side. Then, connect the ground wire to the negative post. The next step is to connect the new lights. Then, just follow which wire. The trailer wiring diagrams listed below, should help identify any wiring issues you may have with your trailer. Thread starter Dataro81; Start date 2 minutes ago; D. Trailer Hitch Wire DiagramTrailer Wiring Diagram – Lights, Brakes, Wire Connectors, & More. Most import vehicles and newer domestic vehicles have both a red brake signal and a separate amber turn signal (2 bulbs per side). The three types of hardwire kits are: Standard 4-Pole Wiring Harness - For use with vehicles that have adequate power and standard wiring system, these simply connect into existing wires on. OEM Toyota Tacoma Trailer Wiring Setup. Diagram showing parts of a Trailer Hitch As you can see from the trailer hitch diagram above, there are nine essential components to a trailer hitch. Then, just follow which wire matches the pin of the other connector and measure afterward to make sure the wiring is correct. A Simple Closed System While its never a good idea to dive into a wiring project blind, trailer wiring is actually very simple to work on and troubleshoot. From our trailer brake controllers to custom trailer wiring, the majority of our products are plug-and-play to eliminate the need for splicing, and all are built for long-lasting reliability. Similar threads L Hitch Cover Light Larrabeedrill Jan 28, 2023 Model Y: Interior & Exterior Replies 1. 88K subscribers Subscribe 430 65K views 2 years ago This is how to wire up a 7 pin and 4 pin connector on a Toyota Tacoma. The most common wiring harness is the traditional four-wire connector. I bought the Universal Hitch Harness and need to know the wires for Left turn signal, Right turn signal, and brake signal. A wiring diagram is a visual representation of the electrical system in your vehicle. It can be a real pain to have failing wiring in your trailer. This gives you all the needed lighting functions to travel legally with your trailer. This system sends the stop or brake signal and the turn signals along one wire, and the taillight signal along a second wire. HARNESS INSTALLATION At the front of trailer, position plug so that harness has some slack when connected to trunk connector. It shows how a electrical wires are interconnected and may also show where fixtures and components might be coupled to the system. Trailer Wiring and Brake Control Wiring For Towing Trailers. Attach WHITE (ground) wire to trailer frame. The master cylinder is mounted on the front of the trailer so any tow vehicle can tow the trailer. Draw-Tite Trailer Hitches & Towing Accessories. Having a good wiring diagram for trailer hitch plug is essential for ensuring the safety of your vehicle, as well as that of other vehicles on the road. And also the 4 pin to 7 pin trailer adapter wiring diagram. Be sure to check out our trailer tips on how to wire a trailer and troubleshooting trailer lights. Grease your trailer plug. Install the YELLOW/BROWN wires along the LEFT side of frame. Originally Posted by stevec5000. This trailer wiring guide comes 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. The trailer wiring diagrams listed below, should help identify any wiring issues you may have with your trailer. 75 L-GN 1619 Right Rear Trailer Stop/Turn Lamp Supply Voltage I E 4 OG 742 Battery Positive Voltage I. All pins are marked inside and can only be. When towing, your trailers wiring system needs to be connected to your vehicles wiring system. A signal is going in and coming out on the appropriate wires, then there is a problem with the trailer wiring. A trailer wiring harness is one of the most vital towing parts but can often be overlooked. This system sends the stop or brake signal and the turn signals along one wire, and the taillight signal along a second wire. It can be a real pain to have failing wiring in your trailer. Wiring Your Trailer Hitch. 3K subscribers Subscribe 19,047 views Dec 14, 2018 This video covers the wiring harness. Some hitches only require around 100 foot-pounds of torque, while others require 150 foot-pounds or more. The standard trailer plug and socket design is a color coded system using four wires. • Brown Taillights • Blue Electric brakes • Green Right turn / brakes • Yellow Left turn / brakes. All pins are marked inside and can only be assembled in one way. 2019 Toyota Highlander Trailer Wiring Installation. In order to safely wire up your trailer hitch plug, its important to first understand the basics of wiring diagrams. Troubleshoot Trailer Wiring by Color Code. Trailer Wiring Videos 4-Way Trailer Wiring. A Simple Closed System While its never a good idea to dive into a wiring project blind, trailer wiring. Sometimes called a multiplex system, this type of wiring is able to control multiple lighting functions through a single wire by varying the signal intensity. It sends the stop, tail and turn signals along three separate wires. The upper diagram is from an RV 7 pole trailer connector for RV trailers. Trailer Wiring Diagram: A Complete Tutorial. Trailer Wiring Diagrams Trailer Wiring Connectors Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller, backup lights, or a 12V power supply for a winch or interior trailer lights. We are going to do our best to simplify that, mainly. Integrated with the vehicles existing wiring, it provides a standard connector, such as a 4-way flat plug. Trailer Wiring and Brake Control Wiring. The 2018 Chevrolet Silverado Trailer Wiring Diagram provides full details on the wiring system of the trailer. 6-Pin Trailer Wiring Diagram 6-pin trailer wiring introduces two new functions, a wire for connecting trailer brakes and a wire for +12-volt auxiliary power. In order to safely wire up your trailer hitch plug, its important to first understand the basics of wiring diagrams. The other type of brake system is electronically controlled electric brake control wiring. The standard trailer plug and socket design is a color coded system using four wires. 7 Pin Hitch Wiring Diagram Collection. TRAILER LIGHT AND HARNESS INSTALLATION INSTRUCTIONS VEHICLE CONNECTION Connect the wires of the 4-wire trunk connector to the vehicle wiring. Mount stop/tail lights with side marker lights toward outside of trailer. Use one of the connectors provided in the kit to hook up the new and old wire. Parts Of A Trailer Hitch: Diagram, Parts List, & More. Prodigy trailer brake control is the latest and most intelligent brake control from Tekonsha. Use the 7-pin connector anyway (see below), and just leave out the last 2 wires. 6-way wiring is most common on gooseneck trailers and allows for use with a brake controller. This can lead to dysfunctional brake lights, turn. When shopping for trailer connectors remember that the male end is mounted on the vehicle side and the female on the trailer side. The colors for wiring a 7-way connector are as follows with the 4 colors of the 4-way connector remaining the same. 2019 Toyota Highlander Trailer Wiring Installation U-Haul Trailer Hitches And Towing 14. Always run a ground wire from the frame of the vehicle (not from the hitch or bumper) to the trailer. The left turn/stop circuit is generally for the left-hand side of the car or trailer, and the right turn/stop circuit is for the right-hand side. Anyone have the wiring diagram on the left and right tail lights. In order to safely wire up your trailer hitch plug, its important to first understand the basics of wiring diagrams. The connector on the trailer should have a wire from the connector secured tightly to a clean surface on the trailer. This diagram shows the colors of a basic trailer wiring setup as well as what each wire is supposed to be connected to. com/Wiring/Hopkins/HM40975-11998. 2018 Chevrolet Silverado Trailer Wiring Diagram. Trailer Wiring Diagram and Installation Help. Similar threads L Hitch Cover Light Larrabeedrill Jan 28, 2023 Model Y: Interior & Exterior Replies 1. Trailer Wiring by Color Code. When all of the trailer hitch bolts are in place, torque them to the values specified in the installation instruction. Most trailers are wired to use a single red light for both the brake and turn signals (1 bulb per side). This requires a plug and socket, as well as a. This diagram shows the colors of a basic trailer wiring setup as well as what each wire is supposed to be connected to. Solve the problem by inspecting the wiring on the trailer to make sure all of the connections are correct and ground wires are connected properly. Mount front side marker lights as shown on diagram. MYLR Trailer Hitch - Universal Harness Wiring diagram. OEM Toyota Tacoma Trailer Wiring Setup CluEngineer 8. Use the 7-pin connector anyway (see below), and just leave out the last 2 wires. You can also watch a video where Glenn explains how to wire a 7-pin plug here. Use one of the connectors provided in the kit to hook up the new and old wire. Those are generally put in the bed of a truck and use a 6-pin trailer wiring adapter. The metal-to-metal contact in the hitch is not reliable enough for a consistent connection. You can get a 7 pin to 4 pin extension at Harbor Freight for around $12. The amount of torque required various by the size of bolts. A wiring diagram is a straightforward visual representation from the physical connections and physical layout of the electrical system or circuit. Simply put, when the inertia force of the tow vehicles braking action activates the master cylinder in the surge coupler, the trailer brakes are activated. Solve the problem by inspecting the wiring on the trailer to make sure all of the connections are correct and ground wires are connected properly. The ground wire should be large enough to handle the entire load; do not depend on grounding through the ball. CURT empowers your towing adventures with a complete line of towing electrical products. Connecting the Wires. 7 Pin Hitch Wiring Diagram Collection. Parts Of A Trailer Hitch Diagram Trailer Hitch Parts Names: Trailer ball Hitch mount / Ball Mount Safety chain loops Trailer coupler Coupler latch Trailer wiring Hitch pin Trailer Ball: A Trailer Ball Is Connected With Vehicle The trailer ball is the connecting point between your vehicle and the trailer. com%2fparts-of-a-trailer-hitch%2f/RK=2/RS=0BBYyxrMvnFwQP4KudLimAZJjpw- referrerpolicy=origin target=_blank>See full list on towstats. Address 47912 Halyard Drive, Suite 100. Integrated with the vehicles existing wiring, it provides a. A trailer wiring harness is a length of wire at the back of a vehicle that allows its electrical system to connect to a trailer. 6-Pin trailer wiring uses the same color code as 4- and 5-pin trailer wiring, adding one more function. How to Install a Trailer Hitch in 8 Steps Step 1: Read the instructions The first step to installing a trailer hitch receiver is to read the instructions. When shopping for trailer connectors remember that the male end is mounted on the vehicle side and the. Attach a grinder to your brush to eliminate any corrosion on the plate that connects to the light. Having a good wiring diagram for trailer hitch plug is essential for ensuring the safety of your vehicle, as well as that of other vehicles on the road. A quick splice slid through the yellow wire on the trailer connector and around the just found vehicle wire will clamp down to provide a secure connection. Trailer Hitch Wiring Custom Fit 7 Round - Blade Features: Replace the worn or damaged 7-way, RV-style trailer connector on your tow vehicle with this sealed, vehicle-end socket. The locations should be correct, Wire colors may vary depending on the Trailer. Each of these trailer 4-pin connectors comes with unique wiring diagrams. How To Wire Trailer Lights. Trailer wiring has different color codes assigned for each wire to make it easier to connect the wires. A trailer wiring harness is one of the most vital towing parts but can often be overlooked. This is a 5-wire system. 4 Pin Trailer Wiring Diagram: Installation, Simple Diagrams. Trailer Wiring Diagrams Trailer Wiring Connectors Various connectors are available from four to seven pins that allow for the transfer of power for the lighting as well as auxiliary functions such as an electric trailer brake controller, backup lights, or a 12V power supply for a winch or interior trailer lights. Trailer Hitch Installation How. To wire a tandem axle trailer with electric brakes, the first step is to determine the gauge of the brake wire. The yellow wire gives power to the left-hand brake light and the left-hand turn signal. Step 1: Prepare for Trailer Wiring Installation Start by making sure you have everything you need to wire your trailer, such as: A junction box to organize and secure wiring A breakaway kit in case your trailer becomes disconnected A brake controller to control trailer braking. TRAILER LIGHT AND HARNESS INSTALLATION INSTRUCTIONS VEHICLE CONNECTION Connect the wires of the 4-wire trunk connector to the vehicle wiring. Each play their own important role in towing your trailer safely and efficiently, and well cover each of them in this guide. 5 wire trailer wiring diagram 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle: daytime running lights; turn signals; brake lights; an extra pin allows using another extra function. But first, let’s start from the basics and learn why you need to wire your trailer and if you can pull this on your own. More and more vehicles today use a PWM wiring system. The trailer wiring diagrams listed below, should help identify any wiring issues you may have with your trailer. In addition, the diagram also includes the pin-outs of the harness and the wiring diagram. How To Wire Trailer Brakes : A Step. Reese ® is a Registered Brand of. The left brake wire and left turn signal are yellow. 2021 Chevrolet Colorado Trailer Wiring. Parts Of A Trailer Hitch (Diagram Included). Standard Color Code for Wiring Simple 4 Wire Trailer Lighting. Every standard is there for a reason, so dont go wiring your trailer without the proper guidance. MYLR Trailer Hitch - Universal Harness Wiring diagram. 3 Types of Vehicle Wiring Diagrams for Towing. Thanks, Chao You must log in or register to reply here. If you’ve ever looked at a 7-Way RV Trailer Connector, you have probably stood there scratching your head in confusion. Most likely, the ground wire on the trailer is not secured properly. The two-wire system is the simplest form of vehicle and trailer wiring and is still used by some vehicles today. It is referred to as such as the system needs a mere four wires for the trailer tail lights, turn signals and brake lights to illuminate. com/_ylt=AwrEt8w4MFdkeIYwWQZXNyoA;_ylu=Y29sbwNiZjEEcG9zAzMEdnRpZAMEc2VjA3Ny/RV=2/RE=1683464376/RO=10/RU=https%3a%2f%2ftowstats. X88 Trailer Connector (Z82) Pin Size Color Circuit Function Terminal Type ID Option A 0. TRAILER LIGHT AND HARNESS INSTALLATION INSTRUCTIONS VEHICLE CONNECTION Connect the wires of the 4-wire trunk connector to the vehicle wiring. Yellow-Left Turn/Brake - Remember yellow has an L in it. The wiring diagram provides detailed instructions on how to install the trailer wiring system properly. Anyone have the wiring diagram on the left and right tail lights. 2 minutes ago #1 2 minutes ago #1 Hi, Anyone have the wiring diagram on the left and right tail lights. This connector is used with trailers that have brakes, turn signals, and running lights. PWM systems can use incandescent or LED lights, and they generally fall into one of two categories: ST systems and STT systems. Trailer Hitch Wiring Custom Fit 7 Round - Blade Features: Replace the worn or damaged 7-way, RV-style trailer connector on your tow vehicle with this sealed, vehicle-end socket. The first is by a separate wire coming from the back of each tail lamp assembly being secured to the frame. This trailer wiring guide comes complete with a color coded trailer wiring diagram for each plug type, including a 7 pin trailer wiring diagram, this guide walks through. A Guide To Trailer Hitch Wiring Diagrams. NOTE: Light with license window (and license bracket) is mounted on the LEFT side of the trailer. Hi, Anyone have the wiring diagram on the left and right tail lights. Most likely, the ground wire on the trailer is not secured properly. U-Haul Trailer Hitches And Towing 15. Connect BROWN wire to vehicle TAIL LIGHT wire, YELLOW wire to vehicle LEFT STOP and TURN wire and GREEN wire to vehicle RIGHT STOP and TURN wire. Each of these trailer 4-pin connectors comes with unique wiring. mounted on the LEFT side of the trailer. X88 Trailer Connector (Z82) Pin Size Color Circuit Function Terminal Type ID Option A 0. Below we have the wiring diagrams for both a 7 and 13 pin connector. HARNESS INSTALLATION At the front of trailer, position plug so that harness has some slack when connected to trunk connector. 5 wire trailer wiring diagram. A trailer wiring harness is a length of wire at the back of a vehicle that allows its electrical system to connect to a trailer. The metal-to-metal contact in the hitch is not reliable enough for a consistent connection. This is done in one of two ways. Since 1946, Draw-Tite has always strived to provide the right trailer towing system for each application. Always run a ground wire from the frame of the vehicle (not from the hitch or bumper) to the trailer. Step 8: Fully tighten the bolts. 5 Pin Trailer Wiring Diagram 6 Pin Trailer Wiring For heavier towing jobs, many use gooseneck trailers. In the Trailer Wiring Diagram and Connector Application Chart below, use the first 5 pins, and ignore the rest. If you’ve ever looked at a 7-Way RV Trailer Connector, you have probably stood there scratching your head in confusion. 3-Wire Automotive System The three-wire system is the most common automotive electrical system. The Factory wiring Is correct. Make sure to follow the wiring diagram closely. Boat trailers commonly use 5-pin wiring. Having a good wiring diagram for trailer hitch plug is essential for ensuring the safety of your vehicle, as well as that of other vehicles on the road. I bought the Universal Hitch Harness and need to know the wires for Left turn signal, Right turn signal, and brake signal. wiring for my avalanche trailer >What causes a screw up of the wiring for my avalanche trailer. 3-Wire Automotive System The three-wire system is the most common automotive electrical system. A wiring diagram is a straightforward visual representation from the physical connections and physical layout of the electrical system or circuit. I suggest you install a combination 4-pin and 7-pin termination at the back near your hitch receiver for best long-term results once you figure out the wiring mystery like the one in this kit: https://www. A trailer wiring harness is one of the most vital towing parts but can often be overlooked. The standard trailer plug and socket design is a color coded system using four wires. The colors for wiring a 7-way connector are as follows with the 4 colors of the 4-way connector remaining the same. The position on the upper plug for RT turn; LF turn; Tail/marker Lamps. Once the wiring harness is in place, you can then begin connecting the wires. This wiring scheme is for reference only. How to Install Trailer Wiring. Boat trailers commonly use 5-pin wiring. A quick splice slid through the yellow wire on the trailer connector and around the just found vehicle wire will clamp down to provide a secure connection. Toyota Tacoma Trailer Wiring Setup. I bought the Universal Hitch Harness and need to know the wires for Left turn signal. If you’ve ever looked at a 7-Way RV Trailer Connector, you have probably stood there scratching your head in confusion. mounted on the LEFT side of the trailer. The left turn/stop circuit is further. Download the guide below, print it and keep it in your toolbox for future reference. Wiring Diagram Images Detail: Name: 7 pin hitch wiring diagram – Wiring Diagram for A 7 Pin Flat Trailer Plug Inspirationa Wiring Diagram Semi Trailer Lights New. Blue / 14 Gauge. The wiring diagram provides detailed instructions on how to install the trailer wiring system properly. Hi, Anyone have the wiring diagram on the left and right tail lights. A trailer hitch wiring diagram usually consists of three sections: the left turn/stop circuit, the right turn/stop circuit, and the auxiliary power circuit. Below is an image of a trailer wiring diamgram that is very helpful to reference. Learn More Select Your Vehicle View Products → Home. Wiring Components. Diagrams are available that demonstrate how connectors can be wired for trailer brakes. Diagrams are available that demonstrate how connectors can be wired for trailer brakes. A quick splice slid through the yellow wire on the trailer connector and around the just found vehicle wire will clamp down to provide a secure connection. 5 L-BU 47 Trailer Auxiliary Supply Voltage I D 0. A wiring diagram is a visual representation of the electrical system in your vehicle. 7 Way Plug Wiring Diagram Standard Wiring* This is the most common (Standard) wiring scheme for RV Plugs and the one used by major automanufacturers today. Browse Towing Electrical from CURT. Originally Posted by stevec5000. Since most cars are running 7 pin connections at the rear end. It will usually include the white wire for ground, the yellow wire for left. 5 wire trailer wiring diagram 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle: daytime running lights; turn signals; brake lights; an extra pin allows using another extra function. Easy installation - plugs into OEM port. Finally, connect the turn signal wire to the middle post. Mount front side marker lights as shown on diagram. A wiring diagram is a visual representation of the electrical system in your vehicle. Each play their own important role in towing your trailer safely and efficiently, and we’ll cover each of them in this guide. Familiarizing yourself with the steps involved in the installation will give you confidence in your work and will help you determine if youre up to the task. The first step in understanding your trailer hitch wiring diagram is to understand the function of each wire. Always run a ground wire from the frame of the vehicle (not from the hitch or bumper) to the trailer. Distinct, easy to see LCD display with multiple color and contrast options. What Is The Wiring Diagram For A Trailer Hitch. CURT empowers your towing adventures with a complete line of towing electrical products. This system sends the stop or brake signal and the turn signals along one wire, and the taillight signal along a second wire. More and more vehicles today use a PWM wiring system. The wire should be at least 10 gauge but may need to be heavier for longer or heavier trailers. In this case, the brown wire is used for the tail lights, the license plate light, and the side marker lights. We are going to do our best to simplify that, mainly with a good, color coded diagram. How to Install a Trailer Hitch in 8 Steps Step 1: Read the instructions The first step to installing a trailer hitch receiver is to read the instructions. 3 Types of Wiring Systems. Attach WHITE ground wire to vehicle frame. The P3 electronic trailer brake control, for 1 to 4 Axle Trailers, is proportional. Wiring Components. 75 GY 1624 Trailer Backup Lamp Supply Voltage I B 6 BK 22 Trailer Ground I C 2. The most common trailer wiring you can find is the 4-Way Flat connector. A trailer wiring harness is a length of wire at the back of a vehicle that allows its electrical system to connect to a trailer. html Using an adapter provides an additional point of failure in the connection. The 2018 Chevrolet Silverado Trailer Wiring Diagram provides full details on the wiring system of the trailer. What causes a screw up of the wiring for my avalanche trailer. The 4 pin trailer wiring diagram is the most essential thing that you will need to understand. Integrated with the vehicles existing wiring, it provides a standard connector, such as a 4-way flat plug. Wiring Diagram Images Detail: Name: 7 pin hitch wiring diagram – Wiring Diagram for A 7 Pin Flat Trailer Plug Inspirationa Wiring Diagram Semi Trailer Lights New. It shows the various components of the system, as well as their interconnections. Trailer Wiring Diagram: Installation, Simple Diagrams >4 Pin Trailer Wiring Diagram: Installation, Simple Diagrams. This is known as a 4-wire system. 6K subscribers Subscribe 220K views 2 years ago Does your vehicle have a 4-Flat trailer wiring harness, but you need to tow a trailer with a 7-Way. Each of these trailer 4-pin connectors comes with unique wiring diagrams. Attach WHITE (ground) wire to trailer frame. How to Wire a 7 Way Trailer Plug (Its Easier Than You Think). White-Ground Brown-Tail/Running Lights Green-Right Turn/Brake - Remember green has an R in it Yellow-Left Turn/Brake - Remember yellow has an L in it Blue-Brake Controller Output. Diagram showing parts of a Trailer Hitch As you can see from the trailer hitch diagram above, there are nine essential components to a trailer hitch. Trailer Brake, Ground: Battery power. 5 way trailer wiring diagram allows basic hookup of the trailer and allows using 3 main lighting functions and 1 extra function that depends on the vehicle: daytime running lights;. Make sure your ground wire, which is typically white, is securely attached to the frame on both the truck and trailer side. Most of us arent electricians, but that doesnt mean wiring a trailer. 5 Pin Trailer Wiring Diagram 6 Pin Trailer Wiring For heavier towing jobs, many use gooseneck trailers. The upper diagram is from an RV 7 pole trailer connector for RV trailers. Step 8: Fully tighten the bolts. OEM Trailer Wiring Schematic?. Trailer Wiring Color Code Connector Function Harness Wire Color Where to Attach - Vehicle Side Where to Attach - Trailer Side 4-Way and 5-Way Right Turn Green Vehicles right turn signal Trailers right.