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Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

Retail: $70.99
Our Price: $46.13
In Stock
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required. Converter is made using SMT to ensure superior performance.There will be a couple of connections beneath the dashboard, but the one that is close to the brake pedal and furthest to the outside is the correct connector. This connector may have blue tape wrapped around it, although not in every vehicle. Installation This custom-fit T-connector plugs into your vehicle's wiring harness, which is located beneath the floor panel in your rear cargo area.
  • 4 Flat
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Plug-In
  • CURT
  • Powered Converter
  • Hidden

Roadmaster Diode 7-Wire to 4-Wire Flexo-Coil Wiring Kit

Retail: $273.48
Our Price: $161.92
Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 4-wire Flexo-Coil electrical cord.Separate vs. Combined Lighting Systems Some automobiles operate on a 3-wire system, wherein the brake signal and the turn signals travel along different wires to illuminate different lights. (Typically, these vehicles have amber turn signals.)
  • Universal Fit
  • Splices into Vehicle Wiring
  • Diode Kit
  • Roadmaster

Curt Jacketed 2-Wire Brake Wire - 12 Gauge - 180'

Retail: $266.95
Our Price: $200.18
In Stock
180' spool of 12-gauge wire designed for electric trailer brake circuits. Features black and blue dual-color sheathing, flexible stranded copper core, abrasion-resistant jacket, and meets SAE J-1128 standards for automotive primary wire.Highlights Shop-Sized Supply: 180-foot spool ideal for frequent trailer brake wiring jobs. Trailer Brake Ready: 12-gauge wire built to handle electric trailer brake circuits. Dual-Color Sheathing: Black and blue jacket makes polarity easy to identify on sight.
  • 2 Wire
  • Wire
  • Jacketed Wire
  • CURT
  • 12 Gauge

30 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire

Our Price: $22.98
In Stock
30' Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire This is a 30' split wishbone 4-way trailer wiring harness with four conductors and a 30" ground wire.
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Optronics

Curt Jacketed 7-Wire Trailer Wiring - 100'

Retail: $582.95
Our Price: $411.48
In Stock
100' spool of 7-way trailer cable with six 12-gauge wires and one 10-gauge wire. Features color-coded conductors, abrasion-resistant jacket, flexible stranded core, and meets SAE J-1128 standards for durable, high-capacity trailer wiring.Highlights Shop-Sized Supply: 100-foot spool ideal for frequent 7-way trailer wiring installs. Heavy-Duty Capacity: Six 12-gauge wires plus one 10-gauge white wire handle full trailer function. Color-Coded Conductors: Industry-standard colors simplify trailer circuit assignments.
  • 7 Wire
  • Wire
  • Jacketed Wire
  • CURT
  • 12 Gauge

25 ft. Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire

Our Price: $20.13
In Stock
25' Wishbone 4-Way Trailer Wiring Harness with 42" Ground Wire This is a 25' split wishbone 4-way trailer wiring harness with four conductors and a 42" ground wire.
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Optronics

Curt Jacketed 7-Wire Trailer Wiring - 250'

Retail: $1,028.95
Our Price: $664.45
In Stock
250' spool of 7-way trailer cable with three 12-gauge wires and four 14-gauge wires. Features color-coded conductors, abrasion-resistant jacket, flexible stranded core, and meets SAE J-1128 standards for durable, high-capacity trailer wiring.Highlights Shop-Sized Supply: 250-foot spool ideal for frequent 7-way trailer wiring installs. Heavy-Duty Capacity: Three 12-gauge wires (white, black, blue) plus four 14-gauge wires (red, green, brown, yellow) handle full trailer function.
  • 7 Wire
  • Wire
  • Jacketed Wire
  • CURT
  • 12 Gauge

18-Gauge 2-Wire Bonded Wire - 40'

Our Price: $22.35
In Stock
40' of general-purpose wire for a variety of common wiring applications on your RV or trailer. 18-Gauge, 2-wire bonded parallel conductor wire is SAE certified, color coded, and easily separated.Features: General-purpose wire for a variety of common wiring applications on your RV or trailer 2-Wire bonded parallel conductor wire is SAE certified, color coded, and easily separated Red and black wire colors Specs: Wire gauge: 18 Length: 40'
  • 2 Wire
  • Wire
  • Bonded Wire
  • Spectro
  • 18 Gauge

Roadmaster 7-Wire to 6-Wire Straight Cord Kit - 6-1/2' Long

Retail: $157.92
Our Price: $79.75
In Stock
Easily and effectively connect your motor home to your towed vehicle with this water-, oil- and chemical-resistant electrical cord. Perfect for RoadMaster's All Terrain tow bars and tow bars with cable channel guides.Features: Adapter cord can be used for multiple towing applications Perfect for running power from your RV - with the 7-pole - to your towed vehicle or trailer Straight cord model is ideal for all-terrain tow bars and other tow bars that have channel guides Silicone-injected plugs prevent corrosion Electrical cord is resistant to water, oil and chemicals Cord has 7-way trailer connector installed 6-Way trailer connector (included) is uninstalled so you can match the wiring on your towed vehicle or trailer 6-Way socket also included Socket mounting bracket is included Made in the USA Specs: Length: 78" Wire gauge: 16
  • 7 Blade to 6 Round
  • Universal Fit
  • Plugs into Vehicle Wiring
  • Extension Cord
  • Adapters
  • Roadmaster

25 Ft 5-Way Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Auxiliary Wire

Retail: $41.17
Our Price: $29.93
In Stock
5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer brakes to disengage when in reverse.Features: 5-Way trailer harness connects to your tow vehicle to control trailer light functions Ideal for marine trailers with hydraulic or surge brakes Wishbone-style harness comes with 2 tail light wires split for simple wiring Allows you to run wires separately down each side of the trailer to tail lights without needing a jumper wire Auxiliary wire (blue) connects to backup light circuit to disengage surge brakes when you are driving in reverse Hydraulic actuator must have electric lockout feature built-in to disengage the trailer brakes Color coded wires help with installation White - ground Brown - tail lights Yellow - driver side stop/turn Green - passenger side stop/turn Blue - auxiliary wire Specs: Wire harness length: 25' Wire gauge (all): 20 Ground wire length: 30" Auxiliary wire length: 5' Manufacturer Cross Reference Harness will work as an exact replacement for: Truck Lite # 002275
  • 5 Flat
  • Universal Fit
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • Optronics
  • No Converter

4-Way Wishbone Trailer Wiring Harness with 42" Ground Wire - 40' Long

Our Price: $40.83
In Stock
This wiring harness provides a simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector. The wishbone-style harness has an extra tail light wire that makes it easier to wire your trailer.Features: Provides simple, efficient method for rewiring your trailer with a 4-pole flat trailer-end connector Wishbone design - Y-harness contains an additional brown tail light wire Left-side tail light wire is bundled with the yellow left turn/brake wire Right-side tail light wire is bundled with the green right turn/brake wire 4-Pole flat trailer end connector to connect to your towed vehicle 20-Gauge wire Wire colors: White wire for ground Brown wires for tail lights Yellow wire for driver's-side stop/turn Green wire for passenger's-side stop/turn Specs: Wire length: 40' Ground wire length: 42" Because the brake signal is sent along the same wire as each turn signal, the tail light signal is the only one that needs to be run along both sides of a trailer.
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Optronics

TowSmart Trailer Connector Adapter w/ LED Illuminator - 7-Wire to 4-Wire Flat

Our Price: $16.55
In Stock
You're lining up the trailer in the driveway when you realize the plug doesn't match. No time to rewire. You grab the adapter, snap it into place, and the lights fire up. Quick fix, solid connection, and you're back on schedule.Plug-and-Play Design: No cutting or splicing required. Compact Housing: Fits snugly without dangling wires. Weather-Resistant Housing: Helps protect against moisture and road grime. Features to know about Quick Connection with Visual Confirmation This adapter converts your vehicle's 7-way blade socket to a 4-way flat plug, allowing you to tow trailers with different wiring configurations.
  • 7 Blade to 4 Flat
  • Universal Fit
  • Wiring Adapters
  • TowSmart

40 Ft 5-Way Trailer Wiring Harness - Wishbone Style - 30" Ground - 5' Auxiliary Wire

Retail: $53.13
Our Price: $41.59
5-Way trailer harness connects to your tow vehicle to control trailer light functions. Wishbone-style harness comes with 2 tail light wires split for simple wiring. Auxiliary wire signals trailer brakes to disengage when in reverse.Features: 5-Way trailer harness connects to your tow vehicle to control trailer light functions Ideal for marine trailers with hydraulic or surge brakes Wishbone-style harness comes with 2 tail light wires split for simple wiring Allows you to run wires separately down each side of the trailer to tail lights without needing a jumper wire Auxiliary wire (blue) connects to backup light circuit to disengage surge brakes when you are driving in reverse Hydraulic actuator must have electric lockout feature built-in to disengage the trailer brakes Color coded wires help with installation White - ground Brown - tail lights Yellow - driver side stop/turn Green - passenger side stop/turn Blue - auxiliary wire Specs: Wire harness length: 40' Ground wire length: 30" Auxiliary wire length: 5' Manufacturer Cross Reference Harness will work as an exact replacement for: Truck Lite # 002295
  • 5 Flat
  • Universal Fit
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • Optronics
  • No Converter

35 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire

Our Price: $21.21
In Stock
35' Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire This is a 35' split wishbone 4-way trailer wiring harness with four conductors and a 30" ground wire.
  • 4 Flat
  • Trailer Connectors
  • Trailer End Connector
  • Optronics

Mini LED Side Marker Boat Trailer Light - 2 Wire - Amber LED - Clear Lens - 18" Wire

Retail: $8.18
Our Price: $6.68
In Stock
PC rated. 1" Diameter, waterproof mini LED amber light functions as a side marker and clearance light when properly mounted. Recessed-mount installation with included grommet. 2-Wire design. 18" Long pigtail.Features: Small, round LED light serves as a side marker and clearance light for your trailer Sealed, waterproof housing and lens unit Military-grade construction of circuit board Urethane potting offers better protection than common epoxy potting Premium LED is energy efficient, long-lasting, and vibration resistant Rated for up to 100,000 hours of operation Durable UV-resistant lens Clear lens over amber LED Compatible with 12V DC system Recessed-mount installation with included grommet Requires a 3/4" diameter cutout Add on stainless steel trim ring (sold separately) for a finished look 2-Wire harness hardwires to your application Includes white ground wire Meets or exceeds FMVSS 108 standards PC-rated light produces a 180-degree beam Assembled in the USA Specs: Dimensions: 1" diameter x 7/8" thick Diodes: 1 Input voltage: 9V - 14V Power draw: 0.03 - 0.06 amps Wire length: 18" IP rated: 68 Limited lifetime warranty Sealed, Waterproof Trailer Light The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer.
  • Submersible Lights
  • Recessed Mount
  • Clearance Lights
  • Marker
  • 1 Inch Diameter
  • TecNiq
  • Round
  • Amber

Curt Vehicle Wiring Harness with 5-Pole Flat Trailer Connector - 60" Wire Lead

Retail: $33.76
Our Price: $13.45
In Stock
... Designed for use with 2-wire electrical systems.Features: 5-Way flat trailer connector at the back of your vehicle powers your trailer's signal lights Fifth pin provides connection to reverse lights to allow proper functioning of hydraulic brake actuator Compatible with 4-way flat connectors Rubber-molded connector and bonded wire offer maximum durability Simple installation - hardwires to existing wiring Specs: Application: vehicles with 2-wire lighting systems Lead length: 60" Wire configuration: Blue: reverse lights Yellow: left turn and brake lights Green: right turn and brake lights Brown: tail lights White: ground Limited 1-year warranty
  • 5 Flat
  • No Tow Package
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Splice-In
  • CURT
  • No Converter

18-Gauge 2-Wire Bonded Parallel Conductor Wire - per Foot

Our Price: $0.81
In Stock
General purpose wire for a variety of common wiring applications on your RV or trailer. 18-Gauge, 2-wire parallel conductor wire is SAE certified, color coded, and easily separated. ...
Features: General purpose wire for a variety of common wiring applications on your RV or trailer 2-Wire parallel conductor wire is SAE certified, color coded, and easily separated Red and black wire colors Sold per foot Specs: Wire gauge: 18 Length: 1'
  • 2 Wire
  • Wire
  • Bonded Wire
  • Spectro
  • 18 Gauge

Deka Wiring Snap Plug Receptacle - Female - 16-14 Gauge Wire - PVC Insulation - Blue - Qty 1

Our Price: $1.21
In Stock
Easily and frequently connect or disconnect your vehicle wiring using this female snap plug receptacle. Fits 16-14 gauge wire. PVC plastic insulation is resistant to vibration and entry of water or other contaminants.Features: Insulated with PVC plastic for durability Rugged and resistant to vibration and entry of water or other contaminants Enables easy, frequent connection or disconnection of vehicle wiring Specs: Male snap plug Works with wiring snap plug - male (DW05712-1 - sold separately) Fits 16-14 gauge wire Blue Quantity: 1 Made in the USA
  • Wire Connectors
  • Bullet Connectors
  • Deka
  • 16 Gauge
  • 14 Gauge

Deka Wiring Snap Plug - Male - 16-14 Gauge Wire - PVC Insulation - Blue - Qty 1

Our Price: $1.52
In Stock
Easily and frequently connect or disconnect your vehicle wiring using this male snap plug. Fits 16-14 gauge wire. PVC plastic insulation is resistant to vibration and entry of water or other contaminants.Features: Insulated with PVC plastic for durability Rugged and resistant to vibration and entry of water or other contaminants Enables easy, frequent connection or disconnection of vehicle wiring Specs: Male snap plug Works with snap plug receptacle - female (DW05729-1 - sold separately) Fits 16-14 gauge wire Blue Quantity: 1 Made in the USA
  • Wire Connectors
  • Bullet Connectors
  • Deka
  • 16 Gauge
  • 14 Gauge

RoadMaster 7-Wire to 4-Wire Straight Cord Kit

Retail: $109.04
Our Price: $72.50
Easily and effectively connect your motor home to your towed vehicle with this water-, oil- and chemical-resistant electrical cord. Perfect for RoadMaster's All Terrain tow bars and tow bars with cable channel guides.
  • 7 Blade to 4 Round
  • Universal Fit
  • Plugs into Vehicle Wiring
  • Adapters
  • Extension Cord
  • Roadmaster

Deka Wire Crimp Connector - 3/0 Aught Wire Connector - Qty 1

Our Price: $23.34
Wire connector allows you to join 2 wires together. Simply crimp or solder for a secure connection. Designed for use with 3/0 aught wiring.Features: Connector allows you to join 2 wires together Simply crimp or solder for a secure connection Fits 3/0 aught wire Tin-plated copper alloy construction Specs: Inner diameter: 0.532" Outer diameter: 0.727" Quantity: 1 connector
  • Wire Connectors
  • Crimp Connectors
  • Deka
  • 3/0 Gauge

Deka Jacketed 2 Wire, 10 Gauge, Brake Wire - per Foot

Our Price: $3.82
In Stock
This combination of 2 heavy-duty 10-gauge wires, jacketed individually and then together, is perfect for installing a trailer brake controller on a vehicle. Sold per foot.Features: 10-Gauge Duplex brake wire made with two plastic insulated primary wires laid parallel Wires are covered with a high-quality plastic jacket that protects the insulated conductors Conductors color coded for easy identification Meets SAE J1128 specifications up to 50 volts Insulation is rated to 105 degrees Celsius Sold per foot One wire is connected to the brake controller, which carries the power back for the trailer brakes, while the other is connected directly to the vehicle battery for an auxiliary power supply pin in the trailer connector.
  • 2 Wire
  • Wire
  • Jacketed Wire
  • Deka
  • 10 Gauge

Wire - Jacketed 6-Wire - per Foot

Our Price: $4.10
In Stock
Features: Manufactured to SAE and ATA specifications Meets SAE J1128 Specifications for use with 50 volts or less Multiconductor stranded copper wire maintains flexibility Entire cable is enclosed in a black vinyl jacket to reduce road hazards Each conductor is insulated with a heavy vinyl covering Each Wire is 14 Gauge
  • 6 Wire
  • Wire
  • Jacketed Wire
  • Deka
  • 14 Gauge

etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector

Our Price: $62.99
In Stock
This kit includes a junction box so you can quickly and easily connect the wires from the included trailer connector to your trailer's wiring.Features: Kit allows you to upgrade from a 4-way, 5-way, or 6-way connector to a 7-way connector Pre-wired, 7-way, blade-style, trailer-end connector lets you connect your trailer to your vehicle Flexible cable allows for easy positioning Weatherproof, heavy-duty plastic junction box protects wires and terminals from the elements Wire functions: Black: 12 volt power Yellow: auxiliary or reverse signal Red: left brake and turn signal Green: running lights Brown: right brake and turn signal Blue: trailer brakes Ring terminals included Specs: Overall box dimensions: 8-1/8" long x 3-3/8" wide x 2-5/16" tall Distance between mounting holes (on center): 7-3/8" Lid dimensions: 6-5/8" long x 3-3/8" wide Cord dimensions (not including junction box): 5'-5" long x 5/8" diameter Overall length including junction box: 6'
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • etrailer