Semi Truck Hitch Wiring
![Hitch Wiring](https://ic.truckid.com/pages/hitch-wiring/hitch-wiring_0.jpg)
- Tectran®Electrical Adapter (79176)Universal Electrical Adapter (79176) by Tectran®. 7-Way Plugs to 6-Way Sockets. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$47.06
- Tectran®Light Duty 7-Way Blade Style Socket Metal Connector (69072)Universal Light Duty 7-Way Blade Style Socket Metal Connector by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Provides customers with an alternate to screw terminationStandard 1/4" spade connector will replace the screws for a quick connect version$21.59
- Tectran®Light Duty 9-Way Plug (69091)Universal Light Duty 9-Way Plug by Tectran®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Provides customers with an alternate to screw terminationStandard 1/4" spade connector will replace the screws for a quick connect version$21.34
- Tectran®Plug Assembly (67061)Universal Plug Assembly (67061) by Tectran®. 6-Way. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Now Featuring Buffalo Plug & Bull Nose Socket DesignBuilt to offer superior performance for a long time$9.27
- Tectran®Plug Assembly (670-41)Universal Plug Assembly (670-41) by Tectran®. 4-Way. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Now Featuring Buffalo Plug & Bull Nose Socket DesignBuilt to offer superior performance for a long time$10.56
- Tectran®Plug Assembly with Spring Guard (670-61SG)Universal Plug Assembly with Spring Guard (670-61SG) by Tectran®. 6-Way. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Now Featuring Buffalo Plug & Bull Nose Socket DesignBuilt to offer superior performance for a long time$12.74
- Tectran®Standard Duty Powercoil (7STS522MG)Universal Standard Duty Powercoil (7STS522MG) by Tectran®. Connector Type: Die-Cast Plugs With Spring Guards. Length: 15'. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Recommended for standard single-trailer configurations that are not ABS equippedExtremely flexible, with excellent coil memory, even in brutally cold conditions as low as -85°F (-65°C)$98.05
- Tectran®Standard Duty Powercoil (7STS522MW)Universal Standard Duty Powercoil (7STS522MW) by Tectran®. Connector Type: Die-Cast Plugs With Weatherseal™. Length: 15'. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Recommended for standard single-trailer configurations that are not ABS equippedExtremely flexible, with excellent coil memory, even in brutally cold conditions as low as -85°F (-65°C)$108.62
- Tectran®Standard Duty Powercoil (7STS622MG)Universal Standard Duty Powercoil (7STS622MG) by Tectran®. Connector Type: Die-Cast Plugs With Spring Guards. Length: 20'. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Recommended for standard single-trailer configurations that are not ABS equippedExtremely flexible, with excellent coil memory, even in brutally cold conditions as low as -85°F (-65°C)$124.02
- Tectran®Standard Nosebox (6707204)Universal Standard Nosebox (6707204) by Tectran®. Size: 2". Material: Metal. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...All parts supplied with rear mounting gasketCable Strain Relief Fitting sold separately$17.71
- Tectran®Tailgate Connectors Plug Assembly with Spring Guard (670-09SG)Universal Tailgate Connectors Plug Assembly with Spring Guard (670-09SG) by Tectran®. Screw Termination. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design...Plug assembly comes with a plated copper grounding lugPlug grounding lug accepts 2 ga. cable$29.08
- Tectran®Tarp Systems Connectors Dual Pole Vertical Plug Assembly with Spring Guard (670-27SG)Universal Tarp Systems Connectors Dual Pole Vertical Plug Assembly with Spring Guard (670-27SG) by Tectran®. Crimp Termination. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of...Polarized contacts200 amp capacity$21.24
- ACDelco®GM Original Equipment™ Multi Purpose Wire Connector (PT3759)GM Original Equipment™ Multi Purpose Wire Connector (PT3759) by ACDelco®. Finish: Black. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$63.32
- Grote®Steel Actuation Switch (44134)Universal Steel Actuation Switch (44134) by Grote®. 1 Piece. 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 meet your needs...High quality at an affordable priceExpertly made from premium materials$27.96
- Haldex®Midland™ Interline Nosebox Assembly (BE26100)Universal Midland™ Interline Nosebox Assembly by Haldex®. With Gladhands - Interline Style. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Superior grade materials for unbeatable safety and comfortGuaranteed to deliver reliable, long-lasting service$365.37
- Husky Towing®Vehicle End Trailer Wiring Connector (32564)Vehicle End Trailer Wiring Connector (32564) by Husky Towing®. End Type: 7 Blade. Packaging: Bulk. 3-14 Chevy Express 1500 7 Way Blade Connector. 7 Way Blade; Bulk Package. It is sold in bulk package. This top-grade product is expertly...Durable Lid Opens 180 DegreesUltimate Weatherproofing$7.30
- NSA RV Products®De-Fuser (DE-FUSER SINGLE)Universal De-Fuser (DE-FUSER SINGLE) by NSA RV Products®. Single Fuse. Tired of reaching down way under the dash to pull fuses? End that back pain with the De-Fuser! With this easy to install remote switch and fuse assembly you'll only...Made in USAWill help you efficiently tow your vehicle behind your motor home$37.00
- NSA RV Products®De-Fuser (DE-FUSER DOUBLE)Universal De-Fuser (DE-FUSER DOUBLE) by NSA RV Products®. Double Fuse. Tired of reaching down way under the dash to pull fuses? End that back pain with the De-Fuser! With this easy to install remote switch and fuse assembly you'll only...Made in USAWill help you efficiently tow your vehicle behind your motor home$45.00
- 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
- Peterson®Trailer Connector (V5400A)Universal Trailer Connector (V5400A) by Peterson®. 4-Way. Std. Carton 6. Packaging Type: Viz Pack. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Flat four-way trailer connector12" lead wires$17.22
- Phillips Industries®4-Way Connector with Cable Guard (15-430)Universal 4-Way Connector with Cable Guard by Phillips Industries®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Heavy duty, reinforced zinc die-cast housingBrass terminations for superior conductivity$14.05
- Phillips Industries®4-Way Socket (15-400)Universal 4-Way Socket (15-400) by Phillips Industries®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Heavy duty, zinc die-cast housing for durabilityElongated holes for mounting adaptability$14.35
- Phillips Industries®6-Way Connector with Cable Guard (15-630)Universal 6-Way Connector with Cable Guard by Phillips Industries®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Heavy duty, reinforced zinc die-cast housingBrass terminations for superior conductivity$14.60
- Phillips Industries®6-Way Socket (15-600)Universal 6-Way Socket (15-600) by Phillips Industries®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Heavy duty, zinc die-cast housing for durabilityElongated holes for mounting adaptability$15.67
- Phillips Industries®7-Way Socket (15-720)Universal 7-Way Socket (15-720) by Phillips Industries®. 2-hole, wire insertion split pin. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...Heavy duty, reinforced zinc die-cast housingThread sealed screws prevent wire pull-out$18.95
- Phillips Industries®7-Way Zinc Die-Cast Connector (15-730)Universal 7-Way Zinc Die-Cast Connector by Phillips Industries®. Heavy duty, reinforced zinc die-cast plug with cable guard. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Thread sealed screws prevent wire pull-outSpring-wrapped, machine crimped brass compression pins$16.87
- Phillips Industries®7-Way to 4-Way Adapter (63-0174)Universal 7-Way to 4-Way Adapter by Phillips Industries®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Built to offer superior performance for a long timeMade to bring exceptional durability and reliability$17.68
- Phillips Industries®Isocoil™ 12' Coiled Cable with Zinc Die-Cast Plugs (31-9323)Universal Isocoil™ 12' Coiled Cable with Zinc Die-Cast Plugs by Phillips Industries®. Working length - As measured by pull force per SAE J2222. Length of actual cable is significantly longer. This top-grade product is expertly made in...For ISO (International Standard Organization) / auxiliary applicationsFlexible from -82°F to 195°F (-63°C to 91°C)$198.53
- Phillips Industries®Sta-Dry™ 4-Way Light Duty Cable with Thermosealed™ Plugs (19-4712)Universal Sta-Dry™ 4-Way Light Duty Cable with Thermosealed™ Plugs (19-4712) by Phillips Industries®. Length: 12'. AWG: 16 gauge wires. Working length - As measured by pull force per SAE J2222. Length of actual cable is...For light-duty towing applications such as boats and utility trailersPlugs are molded for moisture and corrosion resistance$80.61
- Phillips Industries®Sta-Dry™ 6-Way Light Duty Cable with Thermosealed™ Plugs (19-6712)Universal Sta-Dry™ 6-Way Light Duty Cable with Thermosealed™ Plugs (19-6712) by Phillips Industries®. Length: 12'. AWG: 16 gauge wires. Working length - As measured by pull force per SAE J2222. Length of actual cable is...For light-duty towing applications such as boats and utility trailersPlugs are molded for moisture and corrosion resistance$65.07
So, you’ve got your trailer connected to your truck with the right hitch, ball mount and trailer ball. You’re ready to go, but what about your trailer lights? If the trailer connector doesn’t match the one on your tow vehicle, or if the vehicle doesn’t even have a plug, stick around. From basic exterior lights to 12-volt powered accessories, all trailers need electric power supplied by your vehicle, and we have everything needed to make a hassle-free connection including extensions, connectors, harnesses and adapters.
There are a number of standardized trailer connectors, such as 4-pin flat/round, 5-pin flat, 6-pin square/round, and 7-pin round. The simplest 4-pin system is used for small trailers, and has one ground pin, one pin each for left and right turn signals and brake lights, and one for the running lights. 5-pin flat connectors add a wire for the back-up lights. If the trailer is equipped with surge brakes, this circuit also disengages the brakes when the vehicle is backing up.
In addition to connections for turn signals, brake lights, tail lights and ground, 6-pin connectors have one terminal each for electric brakes and 12-volt accessories. 6-pin connectors come in square and round styles and are common to gooseneck and 5th wheel trailers, boat trailers and campers. 7-pin connectors are most commonly found on new vehicles that are prewired for towing. Along with the same functions as a 6-pin connector, this connector has a 7th circuit that is for the back-up lights. 7-pin connectors come with round or RV blade-style pins. Fortunately, no matter what connector you have on your trailer, we have the wiring harnesses that will let you plug into your vehicle’s electrical system.
The first thing you have to determine is whether your vehicle has a factory installed trailer towing package. If it does, you’ll find an electrical connector at the rear of the vehicle, usually on or near the bumper. If the shape and number of pins (wires) on the vehicle connector matches the one on your trailer, then all you’ll need is a wiring harness of sufficient length with the same connector at each end. If not, we can supply you with a plug-and-play adapter harness that will make all your trailer electrical functions work, without any cutting and splicing. For example, if your truck has a 7-pin round connector but your trailer has a 4-pin flat connector, one of our adapter harnesses will have you connected in minutes.
But don’t worry if your vehicle isn’t already set up for towing, we can still get you connected without much hassle. For most vehicles we offer a plug-and-play T-shaped harness (so called because it connects to both of your tail lights) that connects your vehicle lights to the trailer lights. If you have an obscure vehicle for which no T-shaped harness is available, we can still help, but some splicing will be necessary. And if your vehicle uses separate bulbs for the brake lights and turn signals but your trailer uses one bulb for both, we can supply you with a converter harness that will make the connection simple. We also have a large assortment of brackets, connectors, sockets, and anything else you need to get connected.