Semi Truck Trailer Wiring Harness & Parts
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- Buyers®Light Box (LB3163ALSM)Universal Light Box (LB3163ALSM) by Buyers®. Dual. Face Cutout Shape: Oval. Material: Aluminum. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...3 x 16 x 3, Aluminum, .050High quality at an affordable price$67.30
- Buyers®Light Box (LB3163ALDT)Universal Light Box (LB3163ALDT) by Buyers®. Dual. Face Cutout Shape: Oval. Material: Diamond Tread Aluminum. Buyers Products Dual Oval Light Boxes are designed to mount 6" oval DOT lights. If you're looking for a quality product that...Designed for 6" oval DOT lightsHigh quality at an affordable price$67.71
- Buyers®Pre-Wired Switch Panel (6391004)Universal Pre-Wired Switch Panel (6391004) by Buyers®. Quad. Buyers Products Pre-Wired Quad Switch Panel comes in an aluminum bracket ready for installation. The pre-assembled panel comes with an inline fuse holder containing two 10A...Unit comes pre-wired and fused for your convenienceBack-lit switches mounted in a sturdy aluminum bracket$44.97
- Buyers®Pre-Wired Switch Panel (6391002)Universal Pre-Wired Switch Panel (6391002) by Buyers®. Double. Buyers Products Pre-Wired Double Switch Panel with Aluminum Bracket comes in an aluminum bracket ready for installation. The pre-assembled panel comes with an inline fuse...Unit comes pre-wired and fused for your convenienceBack-lit switches mounted in a sturdy aluminum bracket$34.27
- Buyers®Pre-Wired Switch Panel (6391001)Universal Pre-Wired Switch Panel (6391001) by Buyers®. Single. The Pre-Wired Single Switch Panel from Buyers Products comes pre-wired with the switch mounted into a sturdy aluminum bracket. The pre-assembled panel comes with an inline...Unit comes pre-wired and fused for your convenienceBack-lit switches mounted in a sturdy aluminum bracket$33.97
- Buyers®Round Light Box (LB663ALSM)Universal Round Light Box (LB663ALSM) by Buyers®. Smooth Aluminum. Want to raise your trailer's visibility? This Buyers product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$35.60
- Buyers®Round Light Box (LB663SLALDT)Universal Round Light Box (LB663SLALDT) by Buyers®. Diamond Tread Aluminum. Want to raise your trailer's visibility? This Buyers product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading....Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$42.00
- Buyers®Round Light Box (LB663SL)Universal Round Light Box (LB663SL) by Buyers®. Black Powder Coated Steel. Want to raise your trailer's visibility? This Buyers product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading....Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$65.52
- Buyers®Single DOT Light Bracket (LB1SS)Universal Single DOT Light Bracket (LB1SS) by Buyers®. Face Cutout Shape: Oval. Material: Stainless Steel. Buyers Products DOT Light Mounting Brackets from different finishes to help you satisfy DOT requirements for the mounted lights...Brackets offer easy mounting of your DOT-approved lightsCorrosion-resistant stainless steel or black powder-coated steel$18.64
- Buyers®Single Oval Light Box (LB383ALDT)Universal Single Oval Light Box (LB383ALDT) by Buyers®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$53.30
- Buyers®Single Round Light Box (LB663ALDT)Universal Single Round Light Box (LB663ALDT) by Buyers®. 1 Piece. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers in mind. It will...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.60
- Buyers®Single Side Oval Light Box (LB383SLALDT)Universal Single Side Oval Light Box by Buyers®. 1 Piece. Diamond Tread Aluminum. This product is made of high-quality materials to serve you for years to come. This product designed using state-of-the-art technology and with customers...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.46
- Buyers®Wide Surface Steel Mounting Feet (3024649)Universal Wide Surface Steel Mounting Feet by Buyers®. For LED Modular Light Bars. Buyers Products Wide Surface Steel Mounting Feet for LED Modular Light Bars are designed for use on flat surfaces or cab roofs. They are black...Corrosion-resistant black powder-coated finishHigh quality at an affordable price$108.90
- C.E. Smith®Aluminum Tail Light Bracket (26051A)Aluminum Tail Light Bracket (26051A) by C.E. Smith®. Added protection for fragile trailer tail lights. Mounts between the existing tail light mounting brackets and the lamp using the two lamp mounting studs. Mounting holes fit standard...11 gauge, hot dip galvanizedUse 3/8" bolts to attach to frame.$30.38
- C.E. Smith®Galvanized Steel Tail Light Bracket (26057G40)Galvanized Steel Tail Light Bracket by C.E. Smith®. This superior product is perfect to make your trailer towing experience safe and convenient. Designed to meet the highest quality standards, it is 2nd to none in durability and...Ideal to make trailer towing safer and easierMade from the highest-quality materials to last for years to come$4.25
- C.E. Smith®Galvanized Steel Tail Light Bracket (26057G)Galvanized Steel Tail Light Bracket (26057G) by C.E. Smith®. Added protection for fragile trailer tail lights. Mounts between the existing tail light mounting brackets and the lamp using the two lamp mounting studs. Mounting holes fit...11 gauge, hot dip galvanizedUse 3/8" bolts to attach to frame.$4.50
- GateKeeper Off-Road®Mounts (TLM1-GK)Universal Mounts by GateKeeper Off-Road®. 1 Pair. If you tow your rig to the trail you know that the last thing you need is something breaking on your trailer. These 3/16" light mounts are built to handle the toughest conditions and...Welding requiredAccepts standard brake light kit found at most auto parts/trailer stores$175.00
- Optronics®7-Round to 5-Flat Adaptor Cable (A-57WH)Universal 7-Round to 5-Flat Adaptor Cable by Optronics®. 12-24V DC. 16" Lead. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...Designed with innovative manufacturing techniquesBuilt strong to provide long-lasting service life$17.85
- Optronics®Recess Mount Grommets (A70GB)Universal Recess Mount Grommets by Optronics®. 1 Piece. Rubber. Want to raise your trailer's visibility? This Optronics product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$1.68
- RoadPro®6.5"x2.25" Rubber Oval Grommet (RP-42118)Universal 6.5"x2.25" Rubber Oval Grommet by RoadPro®. 1 Piece. Oval rubber grommet light mount fits most lights.Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$3.10
- Seachoice®Bracket (51751)Universal Bracket by Seachoice®. Want to raise your trailer's visibility? This Seachoice product just fits the bill. Made from top-quality materials, it is resistant to dents, chips, and fading. The product ensures quick and tight...Precise manufacturing and high-grade materialsMade to guarantee exceptional reliability$49.57
- Truck-Lite®10 Series Bolt-on Mount Mounting Bracket for 10 Series Round Lights (10722)Universal 10 Series Bolt-on Mount Mounting Bracket for 10 Series Round Lights by Truck-Lite®. Aluminum. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it is...Design allows surface mounting of 2.5" lights in a grommetSuitable for PC requirements on a 45-degree angle when using LED or incandescent PC-rated/combination lights$11.85
- Truck-Lite®10 Series Round Grommet Mount Grommet Cover for 10 Series Round Lights (10719)Universal 10 Series Round Grommet Mount Grommet Cover for 10 Series Round Lights (10719) by Truck-Lite®. Plastic. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it...Designed to enhance appearance of lightsFlange cover offers improved theft resistance$9.81
- Truck-Lite®10 Series Round Grommet Mount Grommet for 10 Series Round Lights (10402)Universal 10 Series Round Grommet Mount Grommet for 10 Series Round Lights (10402) by Truck-Lite®. PVC. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it is...Flush mounts 2.5" diameter lightsWide groove for panel thickness up to 250"$8.25
- Truck-Lite®15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15730)Universal 15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights by Truck-Lite®. Polycarbonate. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it...Features snap-fit mount for quick installation and easy replacementBracket may be surface mounted$9.79
- Truck-Lite®15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15408)Universal 15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15408) by Truck-Lite®. ABS. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it is...Stylish design for contemporary lookSure contact, self-grounding feature$10.11
- Truck-Lite®15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15405)Universal 15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15405) by Truck-Lite®. ABS. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it is...Stylish design for contemporary lookSure contact, self-grounding feature$12.74
- Truck-Lite®15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15407)Universal 15 Series Bolt-on Mount Mounting Bracket for 15 Series Rectangular Lights (15407) by Truck-Lite®. ABS. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality materials, it is...Stylish design for contemporary lookSure contact, self-grounding feature$9.65
- Truck-Lite®19 Series Bolt-on Mount Mounting Bracket (19724)Universal 19 Series Bolt-on Mount Mounting Bracket by Truck-Lite®. Aluminum. This product is made from high-grade materials to meet the strictest standards of high quality. Designed with the utmost care and attention to detail, this...Designed for additional protection of Model 19 base mountsAluminum mount designed with 3" center mounting holes$8.09
- Truck-Lite®19 Series Bolt-on Mount Mounting Bracket for 19 Series Rectangular Lights (19728)Universal 19 Series Bolt-on Mount Mounting Bracket for 19 Series Rectangular Lights (19728) by Truck-Lite®. Polycarbonate. Want to raise your trailer's visibility? This Truck-Lite product just fits the bill. Made from top-quality...Features unique plug-in design for ease of installationLow-profile, extra-strength base$6.44
Semi truck trailers are exposed to a tremendous amount of heat and pressure and tons of mud, sand, and debris. All parts of a trailer, including the lighting wiring harness, must be able to withstand the stress they undergo. Failure or damage in any of the components can undermine the lights' performance. We understand the full range of abuse your semi truck trailer endures and offer a range of reliable wires and components to keep your lighting system running, whatever comes your way. Whether you want to replace the old wiring, slightly upgrade the wiring system or get a custom harness assembly, we have you covered.
The wiring harness itself is an organized set of wires, terminals, and connectors that run all the way around the trailer and serve the purpose to carry power and transfer signals to various components of the lighting system, thereby playing a critical role in the overall operation. To put the highest grade products in the hands of our customers, we cooperate with prominent manufacturers using cutting-edge technologies and up-to-date equipment. Apart from wires on our digital shelves, you can find superior lighting modules, adaptor plugs, fuses, and relays. We also provide a host of grommets, brackets, gaskets, snap rings, sleeves, clamps, seals, and many, many more.
All wiring harness and components we offer are made using heavy-duty materials to ensure durability and robustness demanded by harsh driving conditions you face on a day-to-day basis. They are ready to handle high temperatures, vibration, noise, and moisture. The wires will reliably relay signals and electric power, accurately and rapidly assembling connections. Made to strict industry standards with longevity in mind, all products guarantee to faithfully serve you for years to come. So, when looking for reliable harness or wiring components for your trailer lighting system, look no further. We have the products you can trust.
To help you securely connect your wires or cables and provide the terminals with necessary insulation we offer a bunch of high-grade connectors. They are resistant to the harsh environment and water intrusion. On our website, you can also get top-grade grommets used to protect the wires when they are routed through the trailer as well as to waterproof the wires if the sealing agent is provided below it. The grommets are impervious to chemicals, salt sprays, and heat. To support and fix up wires firmly, choose from our first-rate clamps. And to keep cables manageable in the assembly, get superior wire harness clips.
Apart from high dependability, the wires ensure ease of use and maximum effectiveness. They offer effortless and worry-free installation that won't take much of your time. You will be able to quickly connect the wires of all your trailer lights and enjoy their smooth, consistent performance. Whether you need to connect the tail, tow, turn signal, reverse, or clearance and marker lights, we have the right wires to meet your needs. And don't forget about numerous high-grade wiring components we stock. They will help you complete your replacement project or custom upgrade of your trailer lighting system.