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Result: trailer tow battery charge relay

Roadmaster Brake-Lite Relay Kit for Towed Vehicles

Retail: $50.28
Our Price: $45.09
In Stock
Relay works with your tow bar wiring system to ensure that your towed vehicle's turn signal lights flash in tandem with your RV's lights. components for standard installation May require additional connectors and length of wire for certain applications Limited Lifetime Warranty The purpose of a brake light relay kit is to prevent your towed
  • Brake Light Relay
  • Roadmaster

5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug - GM, Ford, Ram, Toyota - 9' Long - 50-97-410

Retail: $167.25
Our Price: $114.29
In Stock
T-Connector works with fifth-wheel and gooseneck trailers and retains use of your vehicle's factory 7-way connector. It connects your factory 7-pole at the bumper to a new 7-pole in the truck bed ...
: right turn and stop lights Blue: electric brake Black: battery charge Red: left turn and stop lights White: ground wire Wire gauges: Black/white: 10 Blue: 12 Brown/red/green/yellow: 14 1-Year limited
  • Plug-In
  • 7 Blade
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • Bargman

Hopkins Plug-In Simple Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Our Price: $83.87
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-connector plugs directly into OEM tow package wiring harness - no cutting or splicing required. cargo area Includes a tail light converter to ensure that your vehicle's wiring matches that of your trailer Powered module pulls power directly from battery to avoid overloading vehicle's
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Powered Converter
  • Visible
  • Factory Tow Package

T-One Vehicle Wiring Harness for Factory Tow Package - 4-Pole Flat Trailer Connector

Retail: $130.38
Our Price: $95.35
Quickly and easily install a 4-way, RV-style trailer connector on your vehicle with this custom harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or tapping ...
Features: Provides a 4-way flat trailer connector at the back of your Honda Pilot to power your trailer's signal lights Designed for use with a factory tow package Compatible with 5-pole, 6-pole
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Powered Converter
  • Visible
  • Factory Tow Package

T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Retail: $170.98
Our Price: $106.14
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or tapping ...
Features: Provides a 7-way, blade-style trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Compatible with 4-pole
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Powered Converter
  • Visible
  • Factory Tow Package

TowSmart ProClass Multi-Tow 7-Way and 4-Way Flat Trailer Connector - Vehicle End

Retail: $37.99
Our Price: $27.88
In Stock
You've got different trailers, each with its own plug. Instead of swapping harnesses or using sketchy adapters, you mount this dual-socket connector once. It gives you a 7-way and a 4-flat in one ...
: Type: 7-way RV-style blade and 4-way flat (vehicle end) Functionality: Supports: Lights, electric trailer brakes, battery charge line, and auxiliary power Hardwire install: Designed for direct wiring
  • 7 Blade
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart
  • Universal Fit

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New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

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Andrew etrailer team member

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TowSmart ProClass 7-Blade Trailer Connector w/ Wire Tester - Trailer End

Retail: $36.99
Our Price: $27.17
You're wiring up a trailer and need to know it's done right. This 7-way plug lights up to show which signals are live the second you connect. You crimp it, test it, and roll out knowing ...
) Functionality: Supports: taillights, brake lights, turn signals, electric brakes, reverse, battery charge, auxiliary power LEDs: Light up to indicate active signals Construction: Housing: Plastic with textured
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

TowSmart ProClass 7-Pole Trailer Connector Socket - Vehicle End

Our Price: $14.28
In Stock
You're replacing a damaged socket or wiring from scratch. This 7-way gives you solid terminals, a spring-loaded lid, and a mount that stays put. You wire it up once and don't have to mess with it again. 7-Way for Reliable Trailer Hookups This ProClass 7-blade socket mounts at the vehicle end and provides a clean connection point for your trailer wiring. It supports lighting, brake signals, battery charge
  • 4 Flat
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart
  • Universal Fit

TowSmart ProClass 7-Blade Trailer Connector w/ Jacketed Cable, Wire Tester - 72" Long

Retail: $59.99
Our Price: $52.39
In Stock
You're rewiring a trailer from scratch or cleaning up a mess of splices. This 7-way gives you a fresh cable, sealed jacket, and built-in test lights. You wire it once, plug it in, and know its ...
) Cable Lengths: Trailer lead: 72" long Functionality: Supports: taillights, brake lights, turn signals, electric brakes, reverse, battery charge, auxiliary power LEDs: light up to confirm active
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

TowSmart 7-Pole, RV-Style Trailer Connector Socket - Vehicle End

Retail: $13.99
Our Price: $11.87
In Stock
You're wiring up a new 7-way and the old socket's cracked and rusted. No point salvaging it. You bolt this one in, match the wires, and you're good to go. Solid connection, weather-resistant housing, and it holds tight through every haul. RV-style blade (vehicle end) Functionality: Supports: trailer lights, electric trailer brakes, battery charge line, reverse lights, and auxiliary power Construction: Housing: weather-resistant plastic
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

TowSmart 7-Way Connector w/ LED Illumination - Trailer End

Retail: $16.99
Our Price: $15.33
In Stock
You're hooking up at dusk and nothings working. Could be a ground, could be the truck. You plug in this connector, the LEDs light up, and you know it's good. No more chasing wiring gremlins in the dark. One look and you've got answers.) Functionality: Supports: turn signals, brake lights, reverse lights, electric trailer brakes, battery charge line, and auxiliary power LEDs: show active functions when connected Construction: Housing
  • 7 Blade
  • Trailer Connectors
  • Trailer End Connector
  • TowSmart

TowSmart ProClass Twist Mount 7-Way and 4-Way Flat Trailer Connector - Vehicle End

Retail: $31.99
Our Price: $25.00
In Stock
You're swapping out a factory socket and want a tight fit that won't rattle loose. This twist-mount connector snaps into your trucks factory knockout and gives you both 7-way and 4-flat outputs. You wire it once and trust it's gonna hold.) Functionality: Supports: lights, electric trailer brakes, battery charge line, and auxiliary power Hardwire install: blunt-cut leads connect to vehicle circuits Construction: Mounting: twist-lock into factory
  • 4 Flat
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • TowSmart

Brake Buddy Classic 3 Portable Flat Tow Brake System - Preset

Retail: $1,374.00
Our Price: $1,224.31
In Stock
This portable unit gets you smooth braking without a complex installation. Senses the RV braking and applies the car's brakes at an intensity preset by you. Easy to swap between multiple cars; settings adjust for smooth braking for any size car. ready to tow with 1-touch auto start Removes excess vacuum pressure from your car's brakes Checks braking system for errors Keeps car's battery fully charged with 15-amp battery charge line kit
  • Hydraulic Brakes
  • Air Over Hydraulic Brakes
  • Air Brakes
  • Portable System
  • Brake Systems
  • Pre-Set System
  • Brake Buddy
  • Every-Trip Setup
  • Indicator Lights
  • 12V Outlet

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

Retail: $99.60
Our Price: $64.38
Quickly and easily install a 4-way trailer connector on your vehicle with this custom wiring harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required ...
your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Supplies required relays to activate functions
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Powered Converter
  • Visible
  • No Tow Package

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

Retail: $100.95
Our Price: $63.73
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 ...
wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Constructed using surface-mount technology (SMT) for consistent
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Powered Converter
  • Hidden
  • No Tow Package

Curt T-Connector Vehicle Wiring Harness with 7-Way Trailer Connector

Retail: $141.95
Our Price: $86.70
In Stock
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom harness. Connector plugs into existing wiring. Powered converter reduces strain on wiring system and is ...
ensure that your vehicle's wiring matches that of your trailer Powered module connects directly to battery to avoid overloading vehicle's electrical system Constructed using surface-mount
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • Powered Converter
  • Visible
  • No Tow Package

Tekonsha OEM Replacement Vehicle Wiring Harness with 7-Way Trailer Connector

Retail: $176.43
Our Price: $116.55
In Stock
Replace the damaged 7-way, RV-style trailer connector on your vehicle with this T-One harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. ModuLite ...
relays into your fuse panel as indicated in the instructions. Once installation is complete, the 7-way connector will be stowed beneath your vehicle, near the trailer hitch. A mounting bracket (sold
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Powered Converter
  • Visible
  • No Tow Package

Tekonsha OEM Replacement Vehicle Wiring Harness with 7-Way Trailer Connector

Retail: $137.99
Our Price: $85.31
Replace the damaged 7-way, RV-style trailer connector on your vehicle with this T-One harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. ModuLite ...
trailer's lights will be powered without overloading your vehicle's electrical system. Because the module draws power directly from your car's battery and bypasses the electrical routes that are used
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • Powered Converter
  • Visible
  • No Tow Package

Trailer Mate Custom Tail Light Wiring Kit for Towed Vehicles

Our Price: $50.94
In Stock
Quickly and easily connect your towed car's lighting system to your RV to activate the signal lights required for towing. This custom harness plugs directly into your towed vehicle's existing ...
brakes in your RV. So, if your towed car's brake lights illuminate when the brake pedal is pressed and the engine is off - as is the case when towing - then you need to install a relay to ensure that
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Trailer Mate
  • Powered Converter
  • No Tow Package

T-One Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Retail: $157.18
Our Price: $122.13
In Stock
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom wiring harness. T-One connector plugs into OEM tow package wiring harness - no cutting, splicing or ...
is located just behind the rear bumper, near the center of the vehicle. Once you've plugged in the tow harness, insert 2 of the blue relays and the brown relay into the included jumper harness
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Tekonsha
  • No Converter
  • Factory Tow Package

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Retail: $141.95
Our Price: $83.67
In Stock
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required. vehicle's factory tow package wiring harness, which is located behind the rear bumper. Once you've plugged in the tow harness, insert 2 of the blue relays and the brown relay into the included jumper
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • No Converter
  • Visible
  • Factory Tow Package

Plug-N-Tow (R) Wiring Harness with 4 Pole Trailer Connector

Our Price: $51.41
In Stock
Plug-N-Tow (R) Wiring Connectors provide a no-hassle, quick and easy way to wire your vehicle. the vehicle close to the trailer hitch. A mounting bracket is recommended. Note: Vehicles using this wiring may need to see a local Nissan dealer for a relay. The relay is needed to activate the tow
  • Plug-In
  • 4 Flat
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • Hopkins
  • Converter
  • Visible
  • No Tow Package

Blue Ox 6-Diode Tow Bar Wiring Kit for Towed Vehicles with Progressive / Animated Tail Lights

Retail: $379.00
Our Price: $267.95
If you want to flat tow your vehicle with animated rear lights and have to use a battery bypass, use this kit to connect power and signal from your motorhome or tow rig. The tail lights will work ...
the 6-way receiver to the plug from your motorhome or tow rig Can also be run off a lead from a battery charge line kit Quality wire, fittings, and a braided sleeve to protect the wiring and your
  • 6 Round
  • Splices into Vehicle Wiring
  • Diode Kit
  • Blue Ox
  • Universal Fit

Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way Trailer Connector

Retail: $158.95
Our Price: $92.93
In Stock
Quickly and easily install a 7-way, RV-style trailer connector on your vehicle with this custom harness. Connector plugs directly into OEM tow package port - no cutting, splicing or tapping required.Features: Provides a 7-way, blade-style trailer connector at the back of your vehicle to power your trailer's signal lights Designed for use with a factory tow package Connects quickly and easily
  • Plug-In
  • 7 Blade
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • CURT
  • No Converter
  • Factory Tow Package