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The Best Boat Trailer Wiring Kit of 2023 – Reviewed and Top Rated

2,432 (random number) Reviews Scanned

Rank No. #1
LIMICAR Trailer Wiring Harness Kit, 25ft Trailer Wire with 4 Flat Extension Connector, 4 Pin Flat Wishbond Wiring Light Kit for Utility Boat
  • 21FT Male & 4-Flat Female Trailer Wiring Harness Extension Kit: Fits Trailers under & over 80" wide. Wire length (21' & 4') makes this trailer harness kit perfect for trailers measuring under or over 80" wide.
  • 18 AWG Color Coded Wires Wishbone Style Harness: 4 flat trailer wire is color-coded and bonded wire for easily installation. White wire: Ground (Negative). Brown wire: Tail Lights. Yellow wire: Driver Side Stop/Turn Lights. Green wire: Passenger Side Stop/Turn Lights. The white ground wire is made of 18-gauge, reduce corrosion and makes installation safe.
  • 25' Trailer Wiring Harness: Designed to split at the trailer tongue and run down each side of the trailer, 4' trailer side ground wire is enough to use for your trailer. Gives you the extra length, just need to extend current truck to trailer wires. No need to splice your new wires, simply extend them with this extender.
  • 4-Way Flat Trailer Harness Kit: Complying with SAE J1128 standards for a low voltage primary cable. Constructed from the highest quality materials and superior quality guaranteed.
  • Widely Application: Trailer Light Wire Suitable for marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug). Not compatible with motorcycle trailer wiring. Please confirm the fitment with us before ordering.
SaleRank No. #2
Kohree Super Bright Led Trailer Light Kit, IP68 Waterproof Submersible Boat Trailer Lights, 12V Led Stop Turn Tail License Lights with Wiring Kit for Camper Truck RV Snowmobile Under 80 Inch
  • Complete Trailer Light Kit: This trailer light kit serves 7 functions: brake, tail, turn signals, side marker, side reflector, rear reflector, and license plate light. Kit includes two stop turn signals LED lights, two amber lights, 25Ft wiring harness with 4 pin extension connector, a license plate bracket, 4 pcs complimentary reflective sticker, 6 wire nuts, 4 wire clip, studs and nuts, and 6 splice connector.
  • IP68 Waterproof: Fully sealed design, not afraid of wind and rain. Small trailer light kit, can work under long rainy days, foggy days, or heavy snow weather, effectively resisting the intrusion and the damage of sand, dust, dirt, water, snow, and other horrible weather.
  • DOT Compliant Standards: The 12V LED trailer lights are designed for applications under 80 Inch width towing vehicles, like trucks, trailers, boats, buses, Lorry, Van, caravans, snowmobiles, etc. The Kohree trailer lights are 100% compliant with DOT certification, this ensures that your lights are federally compliant.
  • Upgrade Design: New unique design for separating display of running and brake lights: circular ring “ON”—running lights; middle LED “ON” -- brake lights or turn signals. Last long and uses less energy than traditional standard incandescent lights. Superior Visibility, NO glares.
  • Surface Mount: With diodes soldered directly to the surface of a circuit board instead of attached with wires in the drilling-hole board, Kohree square marine trailer brake light kit protects LEDs from shock and vibration better than through-hole technology. Simply to use.
Rank No. #3
MAXXHAUL 70205 Trailer Light Kit - 12V All LED, Left and Right Waterproof Submersible for Trailers, Boat Trailer Truck Marine Camper RV Snowmobile, Red
  • Complete Light Kit: This comprehensive kit includes two 12V LED stop, tail, and turn signal lights, two amber clearance lights, a license plate bracket, and a wiring harness. Its universal fit ensures compatibility with various trailers.
  • Easy Installation: The 22 ft. split Y-style color-coded wiring harness streamlines installation, offering both ease and convenience. You'll spend less time on setup and more time on the road.
  • Long-Lasting LED Lights: Enjoy the benefits of premium LED tail lights that offer superior visibility and longevity compared to standard incandescent lights. Their extended lifespan ensures reliable performance over time.
  • DOT Compliant: Engineered and designed to adhere to DOT FMVSS 108 regulations and standards, these lights meet legal requirements for safety and road compliance.
  • UV-Coated Wiring Harness: The included wiring harness features UV-coated jackets, enhancing its durability and protection against the elements. This feature contributes to the overall longevity of the kit.
Rank No. #4
Gonice 25Ft 4 Pin Trailer Wiring Harness Extension Kit, 4-Way Flat Plug, 5-Wire Male & 4-Wire Female Connector with 18 Gauge White Ground Wire
  • Wire Length Details- Our 4-way trailer wiring harness includes 4 pin 21.65ft male & 3.94ft female extension connector and Install the accessory kit. this 25 ft trailer wiring harness is made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer.
  • Durable & Corrosion Resistant- The use of high quality pure copper wire and tin plated layer to achieve the best electrical conductivity and oxidation resistance, and the use of high quality PVC material for the best anti-corrosion and anti-aging ability. Work perfectly even with sea water.
  • Connect quickly- Male plug with 5 wires, female plug with 4 wires. And you can install the trailer wire so quickly and easily through the 4-way connectors and Matching installation accessories. It matches with any other standard 4 pin flat plugs.
  • Wire Connect Tips- Wires are color coded and bonded, Green- Right Turn Lights/Brakes, Yellow- Left Turn Lights/Brakes, Brown- Tail Lights/Running Lights, White-Ground Wire.
  • Wide Application- The trailer wiring harness is suitable for under 80" wide trailers, such as marine boat trailer, horse trailer and other cargo utility trailer.
SaleRank No. #5
SUZCO 25 Foot 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, 4-Way Plug 4 Pin 21" Male & 4" Female Extension Connector & Wishbone-Style with 18 Gauge White Ground Wire with SAE J1128
  • 【ITEM TYPE】This is a 21ft male & 4 ft female 4-flat marine trailer wiring harness with 4-way conductors and a 2ft white ground wire, made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer. The 4 flat trailer wire is color-coded and bonded wire to easily splice into your trailer's wiring system, no need for splicing wires. This trailer wire harness kit is completely sealed for a long corrosion-resistant installation.
  • 【EXTENSION INCLUDING】This 25foot 4 wire boat trailer wiring extension can conform to the SAE J1128 specification. Extends wiring system provides more flexibility. It can protect tow vehicle electronics from wiring shorts. Includes a 4-feet trunk connector, splices, and clips. This trailer wire harness kit also can work on an COPPER trailer based on the ground wire.
  • 【ENOUGH LENGHT GROUND WIRE】This trailer wire extension with 4 way flat plug connector is designed to supply power for tail lights, turn and brake lights, as well as a ground connection. The white grounding wire is so enough long to wiring. The trailer side ground wire is about 2ft. Trailer wiring harness features a ground wire. The white ground wire is made of 18-gauge, which is corrosion resistant terminal.
  • 【4-WAY CONNECTORS & FITMENT】You can install the trailer wire so quickly and easily through the 4-way connectors. 4-pin connectors are available allowing the basic hookup of the three lighting functions (running, turn, and brake lights) plus one pin is provided for a ground wire. Most standard light duty trailers will use a 4-pole flat connector. Not compatible with motorcycle trailer wiring, and you could confirm the fitment to be not the wrong item before ordering.
  • 【4 WIRING INSTRUCTION】There are instructions for wiring the running light and license plate lights included. The different color wires are clearly identified as each wire's function, so you can make the installation safe and straight-forward.
Rank No. #6
Serlainxin 50Foot 4Pin 5Wire Trailer Wire Harness, Premium Towing Wiring Solution, Extended Length Boat Trailer Wiring Kit, 4-Way Trailer Light Wire Brown/Green/Yellow/White for RV Boat Marine
  • 4 Flat Anti-corrosion 5 Wires: Our trailer wiring harness kit use thickened PVC wire coating materials and copper wire. Can resist aging caused by harsh weather.
  • Easy To Install Trailer Wiring Harness Kit: 18 Gauge 4 Color Coded trailer wire helps distinguish the function of each wire.
  • Wishbone Wire Design: These 4 wire trailer wiring kit split at the trailer tongue and run down each side of the trailer, no need for splicing wires.
  • 42ft Male Wire & 8ft Female Wire included: These trailer wiring kit can provide enough cable length for trailer lights wire replacement.
  • Universal Application: Our trailer wire harness use standard 4 pin flat plug, Universal fits for 4 way trailer light wire replacement, such as utility trailer, boat trailer etc.
Rank No. #7
Seamaka 25ft 4 Wire 4-Flat Trailer Light Wiring Harness Extension Kit, Trailer Wiring Harness with 18 Gauge White Ground Wire for Trailers O-016
  • Product Size: This is a 25-foot 4-way boat trailer extension wire.
  • Material: Made of high-quality materials, it can resist corrosion for a long time.
  • Design: This trailer connecting wire is equipped with a 4-way flat plug connector, which is used to supply power for tail lights, turn signals and brake lights, and grounding connection. It is not necessary to cross a wire from one tail light to another, which is convenient to use and saves time.
  • Application: It is widely used in marine trailers, horse trailers, motorcycle trailers, ATV trailers and other multi-purpose cargo trailer hitch devices (note: there must be 4-way plug).
  • Package: 1 trailer light wiring harness extension.
Rank No. #8
Serlainxin Trailer Wiring Harness Kit - 36ft Wishbond Boat Trailer Wiring, 4-Wire Kit with 4-Pin Connector, 4 Flat Male/Female Trailer Connector - Complete Wiring Solution for Safe Towing
  • Premium Quality Kit: Our trailer wiring harness kit use thickened PVC wire coating materials and copper wire. Can resist aging caused by harsh weather.
  • 36ft Wishbond Boat Trailer Wiring: 28ft Male Wire & 8ft Female Wire included: These 4 pin trailer wiring harness can provide enough cable length for trailer wiring replacement.
  • 4 Wire Trailer Wire Kit: Designed with precision, the 4-wire kit includes all essential components for a secure electrical connection between your vehicle and trailer.
  • Versatile 4 Flat Male/Female Trailer Connector: Our trailer wiring kit use Standard 4 Pin Flat Plug, Universal fits for 4 wire trailer wire kit replacement.
  • SAE J1128 RATED: These trailer wiring harness complies with SAE J1128 standard. Ensure your driving safety.
Rank No. #9
LIMICAR Boat Trailer Light, Trailer Light Kit, IP68 Waterproof LED Trailer Lights with 25ft Trailer Wiring Harness Kit, Lights for vehicles Truck Marine RV Boat Camper Snowmobile Over 80" Inches
  • PREMIUM MATERIAL: Upgrade LED Trailer Light Kit includes 2pcs Rectangular combination stop / brake / reverse / tail / turn signal halo tail lights, 2pcs amber clearance lights, 25ft 4 pin wire harness, license plate bracket and mounting mounting screw, bolt and hardware, 4pcs reflective stickers. The tail lights are made of high quality ABS housing + PC lens, shockproof and dustproof, ensures long lasting durability.
  • PRACTICAL FUNCTIONS: Both of the LED trailer lights used as stop, turn, brake, tail, rear reflector, side reflector and side marker light. Besides, the left light has a license plate illuminator function. Much brighter and lights faster with lower energy consumption, guarantees super visibility and durability.
  • WATERPROOF RATE: IP68. Boat Trailer Light effectively protects the light from the invasion and corrosion of sand, dust, dirt, rain, snow, etc. Upgraded lampshade surface without screws, the LED trailer lights are completely welded together, the LED trailer lights are completely welded together. Featured great sealed and waterproof performance.
  • 18 AWG Color Coded Wires Wishbone Style Harness: 25ft 4 flat trailer wire is color-coded and bonded wire for easily installation. Designed to split at the trailer tongue and run down each side of the trailer, 4' trailer side ground wire is enough to use for your trailer. Gives you the extra length, no need to splice your new wiresjust need to extend current truck to trailer wires.
  • UNIVERSAL FIT: LED Boat Trailer Lights ideal for most vehicles with DC 12V power supply. Widely used for 80 Inch width tractor, such as camper, trailer, truck, dump truck, tractor, boat, bus, pickups, utility boat, lorry, van marine, caravan, snowmobile, etc.
Rank No. #10
Serlainxin Trailer Light Kit, IP68 Waterproof Boat Trailer Lights, Multi-Purpose Commercial Tail Lights with 25ft Wiring Harness Kit for Marine, Utility Trailer Under and Over 80"
  • Super Brightness Boat Trailer Light: Serlainxin trailer light kit use high quality SMD LED. With super high visibility. ensure driving safe. Fully comply with DOT standards.
  • IP68 Waterproof Trailer Lights and Side Marker Lights : Trailer lights lens and housing are welded by ultrasonic. Meanwhile, the submersible trailer lights internal electronics are sealed by silicone. 100% Submersible.
  • Longer Service Life: Serlainxin trailer lights led kit use thickened high quality ABS housing + PC lens. Ensure trailer lights can resist the aging caused by harsh weather.
  • Multi-functions Trailer Light Kit: Led trailer light kit combines stop, brake, turn signals, tail, running, license plate, side marker light function. Perfect for 12V trailer lights replacement. Such as utility trailer lights, boat trailer lights etc.
  • All-in-one Boat Trailer Light Kit: Trailer lights and wiring kit has everything you need. Include Trailer Light*2, 3rd Brake Trailer Light Bar*1, 25ft trailer wiring harness*1, Side Marker Lights*6 Bracket*1, Reflective strip*4 and other trailer light fixing parts.
SaleRank No. #11
True Mods 4 Pin Flat Trailer Light Wiring Harness Kit [Wishbone-Style] [SAE J1128 Rated] [25' Male & 4' Female] [18 AWG Color Coded Wires] 4 Way Flat 5 Wire Harness for Utility Boat Lights
  • 25' MALE & 4' FEMALE INCLUDED- Our 4-way trailer wiring harness includes both the male and female sides for added value.
  • WISHBONE STYLE WIRING SETUP- Wishbone design makes it easier to wire to the taillights; simplifies installation process.
  • SAE J1128 RATED- Meets SAE standards for a low voltage primary cable intended for use at a nominal system voltage of 60 V DC (25 V AC) or less in surface vehicle electrical systems; backed by a 2 year warranty.
  • FOR TRAILERS UNDER & OVER 80" WIDE- Long total wire length (25' plus 4') make this trailer harness kit perfect for trailers measuring under or over 80" wide.
  • 18 AWG COLOR CODED WIRES- Color coded 18 AWG wires clearly identify each wire's function; makes installation safe and straight-forward.
Rank No. #12
Wishbone Style Trailer Wiring Harness with 4-Flat Connector 30 FEET
  • WISHBONE STYLE
  • 30 FEET
  • 4-Flat Trailer End Connector
  • 30" GROUND
SaleRank No. #13
Hopkins Towing Solutions 48265 30' 4 Wire Flat Trailer Side Y-Harness Connector
  • 30 feet in length
  • Wiring kit for maintaining or re-wiring your trailer
  • Wishbone design allows 2 brown wires to be run to each taillight
  • Corrosion resistant terminals
  • Easy to use and install
Rank No. #14
LiLoom 36ft 4-Way Flat Trailer Light Wiring Harness Kit - 4-Pin Male & Female Extension Connector - Includes Installation Accessories
  • Wire Length: Our 4-way trailer wiring harness includes 4 Pin 28FT Male & 8FT Female Extension Connector. And this 36 ft trailer wiring harness is made of 18-gauge wire, designed to split at the trailer tongue and run down each side of the trailer
  • Durable and Anti-Corrosive: The use of high-quality pure copper wire and tin-plated layer to achieve the best electrical conductivity and oxidation resistance, and use premium PVC material for the best anti-corrosion and anti-aging ability. Work perfectly even with sea water
  • 4-Way Connectors & Fitment: Male plug with 5 wires, female plug with 4 wires. And you can install the trailer wire so quickly and easily through the 4-way connectors and Matching installation accessories. It matches with any other standard 4 pin flat plugs
  • Color Coded Wires: Wires are color coded and bonded, Green- Right Turn Lights/Brakes, Yellow- Left Turn Lights/Brakes, Brown- Tail Lights/Running Lights, White-Ground Wire
  • Universal Application: The trailer wiring harness is suitable for under 80" wide trailers, such as marine boat trailer, horse trailer and other cargo utility trailer
Rank No. #15
CZC AUTO Trailer Wiring Harness Kit 4-way Wishbone Style Y Style 18AWG Pure Copper Core Color Coded Wire with Standard 4-pin Flat Plug Connector, 4' Female and 25' Male for 12V Trailer Boat
  • PURE COPPER CORE: The trailer wiring harness uses 18 gauge 100% pure copper core covered by PVC with UV, PVC plug with stain nickel plated copper terminals inside. Sealed and anti-corrosion, can be submersible for a long time
  • Y STYLE: Wishbone style designed boat trailer wire harness, 4PCS wires for 4-pin female plug and 5PCS wires for 4-flat male connector. There are 2PCS brown running wires which splite from the male plug to left and right tail lights for simple connection, no jumper wires needed. The male and female plug pin size is standard which can match different standard male or female plug together.
  • TOTAL 29FT: 4ft long wire on female plug side for vehicle and 25ft on male side for trailer lights, long enough for all kinds of 12V 4-pin connection trailers, such as over & under 80" wide boat trailer, enclosed cargo trailer, utility trailer, dump trailer, ATV trailer, equipment trailer, car hauler trailer and so on.
  • WIRE CONNECTION: Color coded wire directly match the trailer wire system for easy and safe connection. White wire for grounding, green wire for right stop&turn, yellow for left stop&turn, brown for running&license illumination(male side, brown wire which next to yellow is used for left running&license illumination, the one next to green is for right running). Please find the picture and instruction for details.
  • CLIENT SUPPORT: 30-day money-back, return your undamaged CZC AUTO product and receive a full refund for any reason. 2-years warranty for quality-related issues, we take care of all quality-related issues with a REPLACEMENT OR FULL REFUND. Please feel free to contact us at first if there is any problem when you receive or use our products. We are always here to support you.
Rank No. #16
Serlainxin Trailer Lights Wire, 36ft Trailer Wiring Harness Kit, 4 Pin Trailer Wiring Harness 4 Wire 4 Pin Flat Connector for Trailer Lights, Boat etc…
  • Weather-Resistant Trailer Lights Wire: Our trailer wiring is designed to withstand harsh weather conditions, thanks to its thickened PVC wire coating materials and copper wire. You can trust it to resist aging and corrosion.
  • 4-pin Trailer Wiring Harness: This trailer wiring harness kit comes with everything you need, including wire clips and hooks. You don't have to buy anything separately. Plus, with one 28ft male wire and an 8ft female wire, you'll have plenty of cable length for trailer wire replacement.
  • Easy to Use: Serlainxin 18 Gauge Color Coded trailer wire harness makes it easy to distinguish the function of each wire. The wishbone wire design allows you to split it at the trailer tongue and run it down each side of the trailer, without the need for splicing wires.
  • Universal Application: Our trailer wire kit use standard 4 pin flat plug, Universal fits for 4 wire trailer light wire replacement. Such as utility trailer, boat trailer etc.
  • SAE J1128 RATED: Trailer wiring harness complies with SAE J1128 standard. Ensure your driving safety.
Rank No. #17
CZC AUTO 12V LED Submersible Trailer Tail Light Kit for Under 80 Inch Boat Trailer Marine with 18G Pure Copper Wiring Harness Kit (Exclusive Trailer Light kit)
  • CZC AUTO 12V Submersible LED Trailer Light Kit includes 2 combination stop, tail, turn signal lights, two amber LED marker lights ,25-ft wiring harness ,Aluminum license plate bracket instead of plastic license plate for more sturdy, NO bending and Long years lifetime.
  • 18 Gauge 100% pure copper wire harness ensure trailer lights LED do good job underwater! All diodes are LED, NOT Any incandescent bulbs! 100% quality inspection before shipping including photometric inspection. The marine LED trailer lights have super high visibility and Longer Lifetime!The waterproof trailer tail lights comply with DOT FMVSS108 certificate approval
  • Excellent waterproof/Submersible lights for Boat trailer. Sonic Welding Sealing Technology ensures sealing solidity of the LED tail lights. Every possible gap is sealed well with marine grade glue, such as wires entrance holes and edge of the lens
  • Application for under 80 Inch width towing vechile,like boat trailer truck snowmobile,etc.
  • CZC AUTO, a reliable brand in trailer lights industry, we offer 30-day money-back for any reason, 12-month warranty for quality-related issues. PlEASE NOTE: Any problem in using our Submersible trailer tail lights, simply contact us, your problem will be solved within 24 HOURS
Rank No. #18
12V LED Trailer Lights Wiring Kit, Square Led Combination Stop Turn Tail w/Amber Trailer Marker Lights Reflex, 16" 3rd Brake Tail Light Bar for Utility Boat Trailer Camper Snowmobile Lights Kit
  • Jamarco trailer lights and wiring kit feafures for 2Pcs square combination tail lights, 1Pc 16 inch 11 led 3rd brake trailer tail light bar, 2Pcs amber clearance Lights with Reflex Lens, 25ft wiring harness with 4-flat plug, license plate bracket, mounting hardware, providing you with great convenience to upgrade your trailer lights at once;
  • This submersible led utility trailer light kit has multi functions: stop light, brake light, turn signal light, tail light, running light, rear reflex reflector, side marker light, side clearance lights, side reflex reflector, license plate illuminator, clearance Light, identificaton light bar, third 3rd brake light bar;
  • Jamarco 12v waterproof square led trailer light has 15 Diodes (12 Red+3 Red) as stop, turn, tail, side marker, side reflex, and rear reflex functions and on left side Built-in license plate light(3 white led) illuminates license plate; 16" LED trailer tail light bar with 11 LEDs provides stop, tail, and turn functions and surface mounts to trailer; 4" square marker light has 3 led diodes each to provides side marker/clearance lights;
  • This boat trailer light kit is universal for most 12v dc vehicles such as trailers, campers, trucks, Dump Truck, snowmobile, tractors, semi-trailer, bus, boat and other vehicles with a width of 80 inches (more or less);
  • Any problem in using Jamarco trailer lights, please feel free to contact us directly please. your problem will be solved within 24 HOURS;
Rank No. #19
Adullama 4 Way Trailer Wiring Harness 30FT Jacketed Cable, 18AWG 4 Pin Flat Trailer Extension Connector Trailer Wire Color-Coded Pure Copper, Trailer-Side Male Replacement 4 Wire Trailer Hitch Wiring
  • 【Trailer-Side 4 Pin Replacement Wire】The 4 pin trailer connector is designed to match industry standard 4-way flat sockets. The trailer wiring harness provides a 4-pin trailer connector male trailer plug for your trailer. 4 pin trailer wiring replaces a variety of trailer wear and tear wires.
  • 【Heavy Duty Trailer Light Plug】 Adullama Trailer End Connector 4 Wire is a superior upgrade to your 4 prong taped wires on trailers. No more electrical tape with exposed yellow, green, brown, or white. trailer wiring kit comes with 18AWG standard color-coded wires to ensure your proper wiring connection to your taillights, brake lights, and turn signals.
  • 【Durable & Long-Lasting 】 Adullama Trailer wire harness 4 wire uses high-precision oxygen-free copper material, 41 strands of 0.14 copper wire are inside each circuit, which has lower resistance and higher conductivity. 18AWG 4 pin trailer wiring harness is insulated/jacketed with high-quality PVC for durability, and excellent chemical and oxidation resistance. Rated Voltage: 300V. Rated working temperature up to -22°F/ 221°F.
  • 【Widely Application】The trailer wiring harness is compatible with under & over 80” wide trailers. it is also suitable for marine boat trailer, horse trailer, ATV trailer, and other cargo utility trailer hitches (tow/haul vehicle must have 4-way plug).
  • 【After Service】 If you need trailer wiring harness lines of other sizes and specifications, you could click other links to choose a 4 pin trailer wiring that suits your trailer plug. Please contact us if you have any questions about purchasing our 4-way trailer wiring kit.
Rank No. #20
25ft Trailer Wire,Trailer Wiring Harness Kit 4 Flat Extension Connector,4 Pin Flat Wishbond Trailer Wiring 18 Gauge
  • Size: the total length is 25 feet, made of line 18awg.
  • Durable: excellent workmanship, corrosion resistance, can be used for a long time.
  • Application: Fine workmanship, corrosion resistance, suitable for taillights, turn signals and brake lights of marine trailers, horse trailers and motorcycle trailers.
  • Product use: This trailer wire is equipped with 4-way flat plug connectors. The white ground wire is long enough for wiring. Install trailer wires quickly and easily through the 4-way connector, plus a pin for grounding wire.
  • Project type: it is equipped with 4 wires and a white grounding wire, made of Line 18. The 4 flat trailer wires are color coded and welded, which is easy to be spliced into the wiring system of the trailer without splicing wires.

Last update on 2023-08-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: How do you troubleshoot trailer wiring?

A: To troubleshoot your trailer wiring, connect a jumper wire to the connector pins and the continuity tester to the system’s sockets. A continuity test helps you see if there are any broken wires. Select a color of wire in the socket, and find the same one on the connector front.

Q: What color is trailer wire?

A: Trailers should be wired to code, meaning that each colored wire represents a part of the system. Green is the right turn signal and brake light, yellow is the left turn signal and brake light, orange is the tail or marker lights, white is the ground wire, red is the auxiliary power wire, blue is the electric brakes and pink is the backup lights.

Q: What is trailer wiring?

A: A trailer wiring system is grounded to the frame near the coupler and each light also needs to be grounded. If there is not a white ground wire coming out of a trailer light, then the light is grounded through its mounting studs. Too much paint, dirt, or rust can cause bad grounds,…

Q: What is a trailer connector?

A: A trailer connector is a multi-pole electrical connector between a towing vehicle such as a car or truck and a trailer.

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