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Roadmaster Battery Charge Line Kit for Towed Vehicles

Retail: $49.03
Our Price: $40.94
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 ...
Features: Maintains the battery charge in your towed vehicle while the car is being towed Provides just 15 amps to avoid overcharging Connects battery to 6-way or 7-way plug at the front of your
  • Flat Tow Wiring Harness
  • Battery Charge Line Kit
  • Roadmaster

Curt RVi Series 4 Portable Flat Tow Brake System - Wireless Monitor - Proportional - PreOrder

Retail: $2,103.95
Our Price: $1,595.95
COMING SOON! Adds braking capabilities to your towed vehicle when flat towing behind an RV. Simple one-button interface automatically positions itself in the vehicle., model, and year of a flat towable vehicle Bullseye Wireless Monitor: Works with RVibrake 4, Towed Battery Charger, and Breakaway Wireless Adapter 2.1" vibrant touchscreen displays braking performance
  • Brake Systems
  • Proportional System
  • Portable System
  • CURT
  • Wireless Display
  • Every-Trip Setup
  • 12V Outlet

Curt RVi Series Shadow 2 Flat Tow Brake System - Wireless Monitor - Proportional - Fixed - PreOrder

Retail: $2,103.95
Our Price: $1,595.95
COMING SOON! Adds braking capabilities to your towed vehicle when flat towing behind an RV. Permanently installed design means no user setup after installation.Features: Now available for preorder RVibrake Shadow: Tow-mode detection automatically recognizes when you're towing Built-in battery charger allows you to charge up to 10 amps Plug-and-play
  • Brake Systems
  • Proportional System
  • Fixed System
  • CURT
  • Wireless Display
  • One-Time Setup
  • Vehicle Battery

Demco Stay-IN-Play Duo Flat Tow Brake System for RVs w/ Hydraulic Brakes - Proportional

Retail: $1,384.00
Our Price: $1,175.00
In Stock
Plug in and go: this permanent system gets you smooth, reliable braking with a one-and-done installation. Low-profile components designed to stay out of sight. triggers your towed car's brakes to slow down at the same rate Lets you adjust braking sensitivity to suit your vehicle and your preference Plug-and-play System automatically turns on when your towed car
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Hydraulic Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

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

Our Price: $14.14
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 ...
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

Pollak Metal 7-Pole, RV-Style Trailer Socket - Vehicle End - PK12703

Retail: $25.25
Our Price: $12.41
In Stock
Establish a secure connection between your towing vehicle and trailer with this 7-pole, RV-style socket. Metal socket has non-corroding, shock-resistant interior design that eliminates shorting out ...
12 gauge Green - Tail, License and Running Lights - 14 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
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 7 Blade
  • Pollak

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.

Andrew
Andrew etrailer team member
Andrew etrailer team member

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Installations

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Customers Helped

Any questions? Chat us from Missouri

BrakeBuddy Towed Vehicle Battery Charge Line Kit

Our Price: $56.71
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

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

Retail: $33.39
Our Price: $29.94
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

Brake Buddy Select 3 Portable Flat Tow Brake System - Proportional

Retail: $1,791.00
Our Price: $1,335.65
In Stock
This portable unit gets you smooth braking without a complex installation. Senses the RV braking and applies the brakes proportionally. Easy to swap between multiple towed cars: settings adjust for ...
Features: Applies towed vehicle's brakes proportionally for comfortable braking Measures motorhome's braking and activates car's brakes with same intensity Prevents false braking with
  • Brake Systems
  • Proportional System
  • Portable System
  • Brake Buddy
  • Hydraulic Brakes
  • Air Brakes
  • Air Over Hydraulic Brakes
  • Wireless Display
  • Every-Trip Setup
  • 12V Outlet

Pollak 7-Pole, RV-Style Trailer Connector Socket w/ Wiring Harness and Mounting Bracket - PK11898

Retail: $59.29
Our Price: $43.66
In Stock
This kit provides a 7-pole, RV-style trailer connector, wiring harness and mounting bracket for adding an aftermarket socket. Wiring harness includes a 4', color-coded, 7-wire lead. - Left Turn and Stop - 14 gauge White - Ground - 10 gauge Blue - Electric Brakes - 12 gauge Green - Right Turn and Stop - 14 gauge Black - Battery - 12 gauge Brown - Running Lamps - 14 gauge Yellow -
  • Trailer Hitch Wiring
  • Vehicle End Connector
  • 7 Blade
  • Pollak
  • Splice-In
  • No Converter
  • Universal Fit

Blue Ox Towed Vehicle Battery Charge Line Wiring Harness

Retail: $129.00
Our Price: $101.19
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 ...
battery to 6-way or 7-way plug at the front of your towed car 4-Function LED indicator on charger makes it simple to see power status Receives power from your RV Requires a dedicated charge line at the rear
  • Flat Tow Wiring Harness
  • Battery Charge Line Kit
  • Blue Ox

Blue Ox Patriot Portable Flat Tow Brake System - Proportional

Retail: $1,790.00
Our Price: $1,529.51
In Stock
Small, light, and precise, this portable unit gets you smooth braking with basically no installation. Plugs directly into 12V outlet. Easy to swap between multiple cars. Control and monitor the system remotely from your motorhome with LCD display.Features: Applies towed vehicle's brakes proportionally for smooth braking Measures motorhome's braking and activates car's brakes with same intensity Lets you adjust force and
  • Brake Systems
  • Proportional System
  • Portable System
  • Blue Ox
  • Air Brakes
  • Air Over Hydraulic Brakes
  • Hydraulic Brakes
  • Wireless Display
  • Every-Trip Setup
  • Built-In Battery

Demco Stay-IN-Play Duo Braking System for RVs w/ Hydraulic Brakes - Wireless Monitor - Proportional - DM86VR

Retail: $1,590.00
Our Price: $1,349.00
In Stock
Plug in and go: this permanent system gets you smooth, reliable braking with a one-and-done installation. Low-profile components stay out of sight. Includes convenient wireless Coachlink. triggers your towed car's brakes to slow down at the same rate Lets you adjust braking sensitivity to suit your vehicle and your preference Plug-and-play System automatically turns on when your towed car
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Hydraulic Brakes
  • Wireless Display
  • One-Time Setup
  • Vehicle Battery

Demco Air Force One Flat Tow Brake System for RVs w/ Air Brakes - Proportional

Retail: $1,589.78
Our Price: $1,329.00
In Stock
Get safe, smooth braking for your towed car with this truly proportional braking system. Car slows perfectly in sync with your RV. Installs permanently so you can just plug in and go. Low-profile ...
Features: Get the safest and most even braking while flat towing Uses the air pressure from your RV's brake line to apply towed car's brakes at the same time, with the same intensity Applies
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

Roadmaster InvisiBrake Flat Tow Brake System - Preset

Retail: $1,393.94
Our Price: $1,255.00
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

Demco Air Force One Flat Tow Brake System for 2021 and Newer Freightliner Chassis RVs w/ BrakeSync

Retail: $1,431.00
Our Price: $1,205.00
In Stock
Complete the factory prep package on your 2021 or newer Freightliner chassis motorhome so you can flat tow your vehicle with the Air Force One supplemental braking system. Includes all needed ...
brake line to apply the towed car's brakes at the same time, with the same intensity Applies brakes only when needed: no false braking Plug in and go System automatically turns on when you connect
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

Brake Buddy Stealth Supplemental Braking System - Proportional - HM39530

Retail: $1,903.60
Our Price: $969.35
In Stock
Get fully proportional braking with a system that never has to be removed, replaced, or reset. Actuator installs out of sight and remains virtually invisible when your car isn't being towed ...
as a proportional trailer brake controller Built-in battery protection keeps your towed vehicle's battery charged as you tow Main unit connects directly to your towed car's battery Vacuum pump
  • Brake Systems
  • Proportional System
  • Fixed System
  • Brake Buddy
  • Hydraulic Brakes
  • Wireless Display
  • One-Time Setup
  • Vehicle Battery

Demco Air Force One Flat Tow Brake System for 2019 and Newer Spartan K2 400 RVs w/ Safe Haul

Our Price: $1,151.91
In Stock
Complete the Safe Haul factory prep package on your 2019 or newer Spartan motorhome so you can flat tow your vehicle with the Air Force One supplemental braking system. Includes an air jumper hose ...
line to apply the towed car's brakes at the same time, with the same intensity Applies brakes only when needed: no false braking Plug in and go System automatically turns on when you connect your
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

Demco Air Force One Flat Tow Brake System for 2020 and Newer Tiffin Chassis RVs w/Factory Air Brakes

Retail: $1,431.00
Our Price: $1,205.00
In Stock
Complete the factory prep package on your 2020 and newer Tiffin chassis motorhome so you can flat tow your vehicle with the Air Force One supplemental braking system. Includes all needed components ...
apply the towed car's brakes at the same time, with the same intensity Applies brakes only when needed: no false braking Plug in and go System automatically turns on when you connect your towed car to
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

Roadmaster BrakeMaster w/ Pressure Reducer for RVs w Air or Air-Over-Hydraulic Brakes - Proportional - RM-9160-900002

Our Price: $920.00
Stay on budget with this proportional braking system. More reliable than a portable system, cheaper than a permanent one. Pressure reducer protects cars with active or continuous-power-assist brakes, such as hybrids, from damage.Features: Get safe and even braking while flat towing Uses the air pressure from your RV's brake line to apply the towed car's brakes at the same time, with the same intensity Applies brakes
  • Brake Systems
  • Proportional System
  • Fixed System
  • Roadmaster
  • Air Brakes
  • Air Over Hydraulic Brakes
  • Indicator Lights
  • Every-Trip Setup
  • Vehicle Battery

Demco Air Force One Flat Tow Brake System for RVs w/ Air Brakes - Wireless Monitoring - Proportional

Retail: $1,817.00
Our Price: $1,525.00
In Stock
Get safe, smooth braking for your towed car with this truly proportional braking system. Installs permanently so you can just plug and go. Low-profile design keeps it out of sight and out of the way ...
Features: Get the safest and most even braking while flat towing Uses the air pressure from your RV's brake line to apply the towed car's brakes at the same time, with the same intensity
  • Brake Systems
  • Proportional System
  • Fixed System
  • Demco
  • Air Brakes
  • Indicator Lights
  • One-Time Setup
  • Vehicle Battery

Roadmaster BrakeMaster for RVs w/ Air or Air-Over-Hydraulic Brakes - Proportional - RM-9160

Retail: $1,022.22
Our Price: $920.00
Stay on budget with this proportional braking system. More reliable than a portable system, cheaper than a permanent one. Lightweight actuator attaches to brake pedal and front seat and removes for storage. Car brakes perfectly in sync with RV.Features: Get safe and even braking while flat towing Uses the air pressure from your RV's brake line to apply the towed car's brakes at the same time, with the same intensity Applies brakes
  • Brake Systems
  • Proportional System
  • Fixed System
  • Roadmaster
  • Air Over Hydraulic Brakes
  • Air Brakes
  • Indicator Lights
  • Every-Trip Setup
  • Vehicle Battery

Roadmaster BrakeMaster for RVs w/ Hydraulic Brakes - Proportional - RM-9060

Retail: $1,579.80
Our Price: $1,425.00
In Stock
More reliable than a standard portable system, lightweight actuator attaches to brake pedal and driver's seat and removes for storage. Car brakes perfectly in sync with motorhome.Features: Get safe and even braking while flat towing Measures the pressure of your RV's hydraulic brakes and applies the towed car's brakes at the same time, with the same intensity Uses air
  • Brake Systems
  • Proportional System
  • Fixed System
  • Roadmaster
  • Hydraulic Brakes
  • Indicator Lights
  • Every-Trip Setup
  • Vehicle Battery

Roadmaster BrakeMaster w/ Pressure Reducer for RVs w/ Hydraulic Brakes - Proportional - RM-9060-900002

Our Price: $1,425.00
In Stock
More reliable than a standard portable system, lightweight actuator brakes your car perfectly in sync with your motorhome. Pressure reducer protects cars with active or continuous-power-assist brakes, such as hybrids, from damage.Features: Get safe, even, proportional braking while flat towing Measures the pressure of your RV's hydraulic brakes and applies the towed car's brakes at the same time, with the same
  • Brake Systems
  • Proportional System
  • Fixed System
  • Roadmaster
  • Hydraulic Brakes
  • Indicator Lights
  • Every-Trip Setup
  • Vehicle Battery