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Blue Ox Towed Vehicle Battery Charge Line Wiring Harness

Retail: $129.00
Our Price: $114.59
In Stock
Maintain the charge of your towed car's battery from your coach or tow vehicle with this simple harness. 12V Power line with in-line charger connects to the 6-way or 7-way plug on your vehicle ...
Features: Maintains the battery charge in your towed vehicle while the car is being towed Provides just 15 amps to avoid overcharging Will prevent charging if power drops below 13.3 amps Connects
  • Flat Tow Wiring Harness
  • Battery Charge Line Kit
  • Blue Ox

Roadmaster Battery Charge Line Kit for Towed Vehicles

Retail: $54.75
Our Price: $43.94
In Stock
Kit allows up to 15 amps from your RV's battery to be used to maintain the charge of your towed car's battery while the car is being towed. Charge line connects to the 6-way or 7-way plug on ...
towed car Receives power from your RV Requires Roadmaster's motor home battery line (RM-156-75 - sold separately) if no charge line is present in your RV Includes 14-guage wire, split wire loom
  • Flat Tow Wiring Harness
  • Battery Charge Line Kit
  • Roadmaster

Roadmaster Battery Charge Line Kit for Motorhomes

Retail: $100.12
Our Price: $68.79
In Stock
This charge line connects to the battery in your RV to allow up to 15 amps to be transferred to your towed vehicle's battery during towing. Requires RM-156-25 be installed in towed car.Features: Allows power from your RV's battery to be used to maintain the charge of your towed vehicle's battery while the car is being towed Transfers just 15 amps to avoid overcharging the
  • Flat Tow Wiring Harness
  • Battery Charge Line Kit
  • Roadmaster

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector for Aluminum Beds - 10' Long

Retail: $178.95
Our Price: $143.95
In Stock
Mount this 7-way connector in your aluminum truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
Blue: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 10' Long

Retail: $195.95
Our Price: $137.95
Mount this 7-way, RV-style connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
Green: tail lights Brown: right turn and brake lights Blue: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 7' Long

Retail: $167.52
Our Price: $109.95
In Stock
Mount this 7-way, RV-style connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
: reverse lights Green: tail lights Brown: right turn and brake lights Blue: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

New Arrivals — From Our Shop to You!

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

New Arrivals — From Our Shop to You!

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

Kenny
Kenny etrailer team member
Kenny etrailer team member

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Years

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Installations

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Customers Helped

Any questions? Chat us from Missouri

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector for Aluminum Beds - 7' Long

Retail: $158.95
Our Price: $119.95
Mount this 7-way connector in your aluminum truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector for Aluminum Beds - 7' Long

Our Price: $86.95
In Stock
Mount this 7-way connector in your aluminum truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

Curt 5th Wheel/Gooseneck Custom Wiring Harness w/ 7-Pole Connector - 10' Long

Retail: $158.95
Our Price: $125.95
In Stock
Mount this 7-way, RV-style connector in your truck bed for quick, simple hookup of your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with your existing factory wiring so that you can ...
Green: tail lights Brown: right turn and brake lights Blue: electric brakes Black: 12V battery charge Red: left turn and brake lights White: ground wire Limited 1-year warranty
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • CURT
  • Plug-In
  • Hidden

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 properly without damaging your vehicle. 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
  • Splices into Vehicle Wiring
  • Diode Kit
  • 6 Round
  • Blue Ox
  • Universal Fit

5th Wheel/Gooseneck 90-Degree Wiring Harness w/ 7-Pole Plug - GM, Ford, Dodge, Toyota

Retail: $144.15
Our Price: $101.13
: 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
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • Bargman
  • Plug-In

Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness - 7 Way RV - 7' Long

Retail: $112.39
Our Price: $91.52
Mount this connector in your truck bed to hook up your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with factory wiring. 90-Degree connector fits into tight spaces. Mounting bracket ...
steel screws Specs: Harness length: 7' Wire configuration: Yellow: center auxiliary Green: tail and license lights Brown: right turn and stop lights Blue: electric brake Black: battery charge Red
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • Bargman
  • Plug-In
  • Hidden

Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness for Aluminum Truck Bed - 7 Way RV - 7' Long

Our Price: $95.25
Mount this connector in your truck bed to hook up your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with factory wiring. 90-Degree connector fits into tight spaces. Aluminum mounting ...
turn signal and stop lights Blue: electric brake Black: battery charge Red: left turn signal and stop lights White: ground wire Wire gauges: Black/white: 10 Blue: 12 Brown/red/green/yellow: 14 1-Year
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • Bargman
  • Plug-In
  • Hidden

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

Retail: $150.54
Our Price: $107.94
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. Adapter has a 90-degree angle for tight spaces.: 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
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • Bargman
  • Plug-In

Bargman 5th Wheel/Gooseneck 90-Degree Wiring Harness for Aluminum Truck Bed - 7 Way RV - 9' Long

Our Price: $124.11
Mount this connector in your truck bed to hook up your 5th-wheel or gooseneck trailer. Custom harness plugs in-line with factory wiring. 90-Degree connector fits into tight spaces. Aluminum mounting ...
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 warranty Note: Steel mounting screws are included
  • 5th Wheel and Gooseneck Wiring
  • Vehicle End Connector
  • 7 Blade
  • Bargman
  • Plug-In
  • Hidden

Redarc Tow-Pro Liberty Brake Controller w/ Universal Wiring Harness - Dash Knob - Proportional

Our Price: $217.00
$217 after rebate
In Stock
This is one of our favorite brake controllers, with flawless braking and a tiny dash knob that looks like it came straight from the factory. It's so easy to adjust your settings or activate manual override.; Output voltage range: 9V - 16V Output current rating: 18 amps continuous Maximum charging voltage: 12V DC 2-Year warranty Note: Pick up a universal mounting panel to give your installation a professional
  • Proportional Controller
  • Electric
  • Electric over Hydraulic
  • Behind-Dash
  • Redarc
  • Indicator Lights
  • Single Trailer Only
  • Plug-In
  • Dash-Mounted Knob

Towed Vehicle Battery Charge Line Kit for Demco Air Force One and Stay-IN-Play Duo Braking Systems

Retail: $32.39
Our Price: $30.46
In Stock
Maintains the battery charge on your towed car while it is being flat towed. Works with Demco supplemental braking systems. Includes diode and fuse.Features: Keeps your car's battery charged while it is being flat towed Works with Demco Air Force One and Stay-IN-Play Duo braking systems Includes 10-amp in-line diode and fuse Made in the USA
  • Flat Tow Brake System
  • Wiring
  • Battery Charge Line Kit
  • Demco

BrakeBuddy Towed Vehicle Battery Charge Line Kit

Our Price: $61.08
In Stock
Maintains the battery charge on your towed vehicle while it is being flat towed.Features: Keeps your car's battery charged while it is being flat towed Pulls up to 15 amps from your motorhome's battery Shows LED light when charging
  • Flat Tow Brake System
  • Wiring
  • Battery Charge Line Kit
  • Brake Buddy

Brake Buddy Classic 3 Portable Flat Tow Brake System - Preset - HM39494

Retail: $1,374.00
Our Price: $1,160.46
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
  • Brake Systems
  • Pre-Set System
  • Portable System
  • Brake Buddy
  • Hydraulic Brakes
  • Air Over Hydraulic Brakes
  • Air Brakes
  • Indicator Lights
  • Every-Trip Setup
  • 12V Outlet

Wireless LED Tow Light Bar - Magnetic - Weatherproof - 23" Long - 7-Way Round - LIW-LDTL-7B

Retail: $503.02
Our Price: $309.98
In Stock
This LED light bar is completely wireless, receiving brake and turn signals from a transmitter plugged into your vehicle's 7-way round. It runs on a rechargeable battery. Weatherproof and super durable, it mounts securely with heavy-duty magnets. Specs: Light bar dimensions: 23" long x 5" tall x 2-1/2" thick Magnet base diameter: 3-1/2" Diodes: 17 total Front bar: 11 Turn signal: 2 per signal Side markers: 1 per signal Charge
  • Bypasses Vehicle Wiring
  • Removable Tail Light Kit
  • 7 Round
  • Custer
  • Universal Fit

Pollak Black Plastic, 7-Pole, RV Blade-Style Trailer Socket - Vehicle End - PK12-707E

Retail: $19.35
Our Price: $12.70
In Stock
Establish a secure connection between your towing vehicle and trailer with this 7-pole, RV blade-style socket. Black plastic socket has non-corroding, shock-resistant interior design that eliminates shorting out and is color-coded to RVI standards. gauge Black - Battery Charge - 10 gauge Red - Stop and Left-Hand Turn Signal - 14 gauge Brown - Stop and Right-Hand Turn Signal - 14 gauge Yellow - Auxiliary Circuit - 14 gauge Distance between mounting
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 7 Blade
  • Pollak

Roadmaster InvisiBrake Flat Tow Brake System - Preset - RM-8700

Retail: $1,533.33
Our Price: $1,380.00
In Stock
... comfortable braking. Charges car battery while towing. connected to motorhome Components install permanently and discreetly Charge your car battery as you flat tow Trickle-charges constantly Monitor your towed car's braking with LED that installs in RV's
  • Brake Systems
  • Pre-Set System
  • Fixed System
  • Roadmaster
  • Hydraulic Brakes
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

TowSmart ProClass 7-Pole Trailer Connector Socket - Vehicle End - TS37RR

Retail: $14.99
Our Price: $12.55
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 ...
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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • 7 Blade
  • TowSmart
  • Universal Fit

TowSmart ProClass Twist Mount 7-Way and 4-Way Flat Trailer Connector - Vehicle End - TS79RR

Retail: $31.99
Our Price: $25.00
In Stock
... 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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 4 Flat
  • 7 Blade
  • TowSmart