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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'
  • Trailer Connectors
  • Trailer End Connector
  • 7 Blade
  • etrailer

Phoenix USA Junction Box - 10 Pole - 12V

Retail: $29.76
Our Price: $18.09
In Stock
Replacing messy trailer splices or an aging plug? This 10-pole 12V junction box centralizes wiring, while its screw-on cover and eight wire-entry grommets help shield the terminal area from road debris and moisture for easy service later.This junction box gives your trailer wiring a central 12V junction point with 10 poles for connecting the trailer plug to lighting and auxiliary circuits.
  • Trailer Wiring
  • Junction Box
  • Phoenix USA

Trailer Wiring Junction Box - 7 Color Coded Terminals - ABS

Retail: $66.86
Our Price: $17.63
In Stock
Color coded terminals in the ABS box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.
  • Trailer Wiring
  • Junction Box
  • Buyers Products

Trailer Wiring Junction Box - 7 Terminals - Polypropylene

Retail: $28.13
Our Price: $15.19
In Stock
Durable polypropylene box creates a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.
  • Trailer Wiring
  • Junction Box
  • Buyers Products

etrailer Trailer Wiring Junction Box - 7 Terminal

Our Price: $19.99
In Stock
This trailer wiring junction box provides a fast, easy way to connect your trailer's wiring to either a 6-way or 7-way connector. Makes replacing your trailer's connector simple.Features: 7-Terminal junction box lets you easily connect your trailer wiring to a 6-way or 7-way trailer connector (sold separately) Eases connector installation, and makes diagnostics simple Weatherproof, heavy-duty plastic protects wires and terminals from the elements Ring terminals included Specs: Box dimensions with lid: 8-1/8" long x 3-3/8" wide x 2-3/8" tall Lid size: 6-5/8" long x 3" wide Distance between mounting holes (on center): 7-3/8"
  • Trailer Wiring
  • Junction Box
  • etrailer

Trailer Wiring Junction Box

Our Price: $37.73
In Stock
This Spectro trailer wiring junction box provides a fast, easy way to connect the wires from the trailer connector to the wiring for either a 6-way or 7-way connector. ...
Features: 7-Terminal junction box lets you easily connect your trailer wiring to a 6-way or 7-way trailer connector (sold separately) Weatherproof, heavy-duty plastic protects wires and terminals from the elements Mounting hardware included Ring terminals (44-5310A) sold separately Specs: Box dimensions with lid: 7" long x 3-1/4" wide x 2-3/4" tall Overall length (with mounting flanges): 8" Distance between mounting holes (on center): 7-3/8" Mounting flange dimensions: 3/4" wide x 1/4" thick Outer diameter of terminals: 3/16" 9709 Spectro Trailer Wiring Junction Box
  • Trailer Wiring
  • Junction Box
  • Spectro

Pollak 10-Terminal Junction Box

Retail: $75.64
Our Price: $50.49
In Stock
This junction box provides a quick and easy way for you to connect the trailer plug to the trailer wiring. The box also makes your trailer connector simple to replace.Features: Provides quick and easy way to wire trailer plug to trailer wiring Allows simple replacement of trailer connector Has black, ABS plastic construction Specs: Box dimensions: 7.5" long x 3.75" wide x 2.5" tall 1-Year limited warranty
  • Trailer Wiring
  • Junction Box
  • Pollak

Pollak 7-Circuit-Breaker Junction Box

Our Price: $59.32
In Stock
This circuit breaker junction box provides a neat, clean way to mount multiple circuit breakers to the firewall of your vehicle. Junction box has space for seven separate circuit breakers.Features: Junction box for studded circuit breakers Provides neat, clean mounting point for multiple circuit breakers Has space for 7 studded circuit breakers Includes bus bar to dissipate heat buildup Specs: Breaker slots: .20" x .30" 1-Year limited warranty 52-249 Pollak 7-Circuit-Breaker Junction Box
  • Trailer Wiring
  • Junction Box
  • Pollak

12 Contact Truck and Trailer Connector Junction Box

Our Price: $19.65
In Stock
When you're wiring up your trailer, you want everything clean and reliable. This 12-contact junction box keeps your connections organized so you can spend less time troubleshooting and more time on the road.
  • Trailer Wiring
  • Junction Box
  • Spectro

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56192

Retail: $74.99
Our Price: $53.34
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. Powered converter reduces strain on wiring system and is made using SMT to ensure superior performance.You will have to lift the storage lid in your cargo area and remove the panel on the driver's side to access this junction box. Once you've plugged in the T-connector, insert the 10-amp, low-profile fuse in position 2 and the 7.5-amp fuse in position 11 of the junction box (as shown below).
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Plug-In
  • CURT
  • Powered Converter
  • Hidden
  • No Tow Package

TowSmart Wire Splice Connectors - 14-18 Gauge - Qty 6 - TS67QR

Our Price: $14.84
Make quick trailer wiring repairs with these 14-18 gauge TowSmart wire splice connectors. Crimp-on design lets you join or tap wires fast, and the 6-pack gives you enough pieces for multiple lights or small harness fixes.Compact, low-profile body The small connector footprint helps it disappear inside junction boxes, frame channels, or behind taillight housings. That low profile keeps your wiring tidy and reduces the chance of snagging or rubbing inside tight spaces.
  • Wire Connectors
  • Quick Connects
  • TowSmart
  • 14 Gauge
  • 16 Gauge
  • 18 Gauge

Bright Way Trailer Breakaway Kit with Charger, LED Tester, and 5 Ah Battery - Side Load - 3802346

Our Price: $68.27
In Stock
LED tester lets you easily check the battery's charge. Built-in charger pulls just enough power from your vehicle when your trailer is hooked up to make sure your breakaway battery stays charged and ready to go in case a disconnect ever occurs.Features: Makes sure your trailer safely stops if it ever separates from your vehicle Activates your trailer's electric brakes if the trailer disconnects from the tow vehicle Automatically charges battery with the built-in charger when connected to your vehicle Won't overcharge your battery Lets you test battery status with the push of a button Mounts on the outside of your trailer's frame Side-loading case allows easy access to the battery Switch installs on your trailer's frame with self-tapping screws (sold separately) Protects battery from rain and debris with durable, plastic case Lid can be secured with padlock (sold separately) to deter battery theft Wiring diagram is printed on the battery box lid Rubber O-ring in the lid helps keep water out of the box Drain holes in the bottom of the box help with venting and letting condensation drain Kit includes breakaway switch, charger, 5-amp-hour battery, battery box, wiring, and wire loom Specs: Application: single-axle or tandem-axle trailers with electric braking systems Breakaway cable length: 4' Charger amperage: 1 amp Battery: Voltage: 12V Type: Lead-acid Capacity: 5 amp-hours Battery box dimensions: 3-3/4" long x 6" wide x 5" tall 1-Year limited warranty Note: A breakaway system is required by law in most states for trailers that are equipped with electric brakes and have a GTW of at least 3,000 lbs.
  • Kit with Charger
  • Side Load
  • Electric
  • 5 Ah
  • Bright Way
  • Tandem-Axle
  • Single-Axle
  • 48 Inch Long
  • Push-to-Test

Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - C56161

Retail: $74.99
Our Price: $47.94
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.It is recommended that you use a small amount of grease on all electrical connections - the plugs on your automobile and the 4-pole connector itself - to help prevent corrosion. Tail Light Converter with Surface-Mount Technology A tail light converter is built into this T-connector.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Plug-In
  • CURT
  • Powered Converter
  • Hidden
  • No Tow Package

Pollak 4-Way Flat Trailer Connector with 24" Harness - PK64KR

Our Price: $9.18
In Stock
Extend your trailer wiring with this 24" 4-way flat harness, built with a molded, weather-resistant plug for durability. Color-coded 18-gauge wires make installation easy, while the polarized connection ensures a secure, proper fit.Heat-shrink butt connectors: Recommended for secure, lasting connections. Sold separately. Specs Electrical Current: 15 amps Wire gauge: 18 Dimensions Harness length: 24"
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • Pollak

Pollak 4-Way Flat Trailer Connector with 5' Harness - PK74KR

Our Price: $11.20
In Stock
Extend your trailer wiring with this 60" 4-way flat harness, built with a molded, weather-resistant plug for durability. Color-coded 18-gauge wires make installation easy, while the polarized connection ensures a secure, proper fit.Heat-shrink butt connectors: Recommended for secure, lasting connections. Sold separately. Specs Electrical Current: 15 amps Wire gauge: 18 Dimensions Harness length: 60"
  • Wiring Extensions
  • 4 Flat
  • Pollak

Pollak 4-Way Flat Trailer Connector with 12" Harness - PK44KR

Retail: $21.91
Our Price: $9.82
In Stock
Extend your trailer wiring with this 12" 4-way flat harness, built with a molded, weather-resistant plug for durability. Color-coded 18-gauge wires make installation easy, while the polarized connection ensures a secure, proper fit.Heat-shrink butt connectors: Recommended for secure, lasting connections. Sold separately. Specs Electrical Current: 15 amps Wire gauge: 18 Dimensions Harness length: 12"
  • Trailer Connectors
  • Trailer End Connector
  • 4 Flat
  • Pollak

Hydrastar Disc Brake Conversion Kit for Tandem 7K Axles - 8 on 6-1/2 - 1/2" Studs - HYD866FR

Our Price: $2,815.38
Convert your tandem-axle trailer to hydraulic disc brakes with this complete Hydrastar kit. Includes 1,600-psi electric-over-hydraulic actuator, integral hub-and-rotor assemblies, brake lines, wiring, and hardware.Features: Complete disc brake conversion kit upgrades your tandem-axle trailer to hydraulic disc brakes Designed for 7,000-lb axles with 8-lug wheels and 1/2" wheel studs Integral design combines each hub and rotor into a single assembly Hydrastar electric-over-hydraulic actuator provides up to 1,600 psi of hydraulic pressure Dacromet-coated brake components resist corrosion for dependable performance Includes integral rotors, calipers, and mounting brackets Hydraulic brake line kit supplies the lines, fittings, and hardware needed to connect both axles Corrosion-resistant alloy tubing is triple annealed to allow easier routing and bending Includes bearings and grease seals for the integral hub-and-rotor assemblies Includes 7-way wiring, prewired junction box, breakaway battery, and mounting hardware Meets applicable DOT and federal braking requirements Specs: Application: tandem-axle trailers with 7,000-lb axles Wheel bolt pattern: 8 lug Wheel stud diameter: 1/2" Brake mounting flange: 5 bolt Actuator pressure: 1,600 psi Brake line length: 25' Brake line diameter: 3/16" Maximum brake line pressure: 3,000 psi Actuator voltage: 12V DC Lubrication: grease only Hydrastar part number: C7K-T1 Note: DOT 3 or DOT 4 brake fluid is required and sold separately.
  • Disc Brakes
  • Marine Grade
  • Hub and Rotor
  • 7000 lbs Axle
  • Hydrastar
  • 8 on 6-1/2 Inch

Brightway ICU Trailer Breakaway Kit w/ Charger, LED Tester, and 5 Ah Battery - Side Load - BW94FR

Our Price: $82.25
In Stock
Unit flashes the lights on your single- or tandem-axle trailer while also activating its brakes if it disconnects from your vehicle. This way, not only will your trailer stop, but the flashing lights will also alert others on the road to the danger.Features: Makes sure your trailer safely stops if it ever separates from your vehicle When the pin gets pulled from the switch, a signal is shot back to your trailer brakes to activate Boosts safety by also flashing your trailer's signal lights if disconnect occurs ICU system activates when breakaway cable detaches Automatically charges battery with built-in charger when connected to your vehicle Won't overcharge the battery Lets you test battery status with the push of a button Mounts on the outside of your trailer's frame Side-loading case provides easy access to battery Self-tapping screws are sold separately Breakaway switch installs on your trailer's frame with self-tapping screws Protects the battery from rain and debris with durable, plastic case Rubber O-ring around lid helps keep water out of the box Wiring diagram is printed on the battery box lid Keeps wires neat with included wire loom Includes breakaway switch, charger, battery, battery box, wiring, and wire loom Specs: Application: single-axle or tandem-axle trailers with electric brakes Breakaway cable length: 48" Charger amperage: 0.5 amps Battery: Voltage: 12V Type: sealed lead acid Capacity: 5 amp-hours Battery box dimensions: 3-3/4" long x 6" wide x 5" tall 1-Year limited warranty Note: A breakaway system is required by law in most states for trailers that are equipped with electric brakes and have a GTW of at least 3,000 lbs.
  • Kit with Charger
  • Side Load
  • Electric
  • 5 Ah
  • Bright Way
  • Single-Axle
  • Tandem-Axle
  • 48 Inch Long
  • LED Indicator

TowSmart 4-Way Flat Trailer Connector w/ 60" Harness - TS78RR

Retail: $13.82
Our Price: $7.48
In Stock
You're wiring up the trailer and want it done right the first time. This 4-way flat connector has pre-stripped, color-coded wires and extra length to reach where you need. Splice it in, test the lights, and you're ready to tow.Highlights Standard 4-way flat connector: Compatible with most trailer wiring setups. 60" harness length: Gives you plenty of wire to route to your junction box or taillights. Pre-wired and color-coded: Matches standard trailer light wiring for simple installation. Fits most trailers: Works with standard 4-way systems on utility, boat, and landscape trailers.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Splice-In
  • TowSmart
  • Universal Fit

Lippert ABS Electric Trailer Brake Assembly - Self-Adjusting - 10" - Right Hand - 4.4K

Retail: $91.95
Our Price: $72.13
In Stock
Need to replace a worn Lippert ABS brake assembly and get back on the road? This self-adjusting brake assembly helps maintain proper brake adjustment over time for more consistent performance on compatible 4.4K trailer axles.Specs Configuration: Right hand (passenger's side) Dimensions: 10" diameter x 2-1/4" wide Mounting: Mounting flange bolt pattern: 4 bolt Capacity: Axle rating: 4,400 lbs Packaging and Warranty: Comes in a retail box for easy display or storage Limited 1-year warranty
  • Electric Drum Brakes
  • Standard Grade
  • 10 x 2-1/4 Inch Drum
  • 4400 lbs Axle
  • Lippert
  • ABS
  • Self Adjust

Lippert ABS Electric Trailer Brake Assembly - Self-Adjusting - 10" - Left Hand - 4.4K

Retail: $91.95
Our Price: $69.99
In Stock
Need to replace a worn Lippert ABS brake assembly and get back on the road? This self-adjusting brake assembly helps maintain proper brake adjustment over time for more consistent braking performance on compatible 4.4K trailer axles.Specs Configuration: Left hand (driver's side) Dimensions: 10" diameter x 2-1/4" wide Mounting: Mounting flange bolt pattern: 4 bolt Capacity: Axle rating: 4,400 lbs Packaging and Warranty: Comes in a retail box for easy display or storage Limited 1-year warranty
  • Electric Drum Brakes
  • Standard Grade
  • 10 x 2-1/4 Inch Drum
  • 4400 lbs Axle
  • Lippert
  • ABS
  • Self Adjust

Curt Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - C59496

Our Price: $170.82
In Stock
Great for cars and trailers with either LED or incandescent bulbs, this kit converts your vehicle's lighting system to match your trailer's. It includes a 4-way flat, wire taps, and a power wire that pulls power directly from your battery.Converter Wiring Configuration Wire Color Wire Function Green Right turn Brown Tail lights Black Battery power Red Brake White Ground Yellow Left turn Powered Tail Light Converter Installation This kit comes with all the wiring you'll need to convert your vehicle's lighting system to match your trailer's. The powered converter box has splice-in wires on one end and a harness with a 4-way flat vehicle-end connector on the other. It also comes with a power wire that will connect to your battery so your electrical system doesn't get overloaded.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Splice-In
  • CURT
  • Powered Converter
  • Universal Fit

Curt Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - C56190KIT

Our Price: $90.14
In Stock
Built to last, this kit, made with surface-mount technology, converts your vehicle's lighting system to match your trailer's. It includes a 60" 4-way flat harness, wire taps, and a power wire that pulls power directly from your battery.Converter Wiring Configuration Wire Color Wire Function Green Right turn Brown Tail lights Black Battery power Red Brake White Ground Yellow Left turn Powered Tail Light Converter Installation This kit comes with all the wiring you'll need to convert your vehicle's lighting system to match your trailer's. The powered converter box has splice-in wires on one end and a harness with a 4-way flat vehicle-end connector on the other. It also comes with a power wire that will connect to your battery so your electrical system doesn't get overloaded.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Splice-In
  • CURT
  • Powered Converter
  • Universal Fit

Curt Powered Tail Light Converter w/ 4-Way Flat Trailer Connector and Install Kit - C89VV

Our Price: $78.00
In Stock
Built to last, this kit, made with surface-mount technology, converts your vehicle's lighting system to match your trailer's. It includes a 60" 4-way flat harness, wire taps, and a power wire that pulls power directly from your battery.Converter Wiring Configuration Wire Color Wire Function Green Right turn Brown Tail lights Black Battery power Red Brake White Ground Yellow Left turn Powered Tail Light Converter Installation This kit comes with all the wiring you'll need to convert your vehicle's lighting system to match your trailer's. The powered converter box has splice-in wires on one end and a harness with a 4-way flat vehicle-end connector on the other. It also comes with a power wire that will connect to your battery so your electrical system doesn't get overloaded.
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • Splice-In
  • CURT
  • Converter
  • Visible
  • Universal Fit