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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

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: $33.49
Our Price: $29.96
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

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

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

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New Arrivals — From Our Shop to You!

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

Kristin
Kristin etrailer team member
Kristin etrailer team member

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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 ...
Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, and affect the warranty of
  • 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.Features: Get automatic braking in your towed vehicle when you press the brakes in your RV Cable pulls towed car's brake pedal smoothly down when the system activates System activates only when
  • 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 ...
safest and most comfortable flat towing experience. Proportional braking means that when you apply the brakes in your RV, the braking system will engage the brakes of your toad (towed vehicle) at the same
  • 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 ...
will engage the brakes of your toad (towed vehicle) at the same time and with the same intensity. Whether it's a gradual slow down to a red light or a sudden stop in an emergency, your toad and RV
  • 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 ...
towing experience. Proportional braking means that when you apply the brakes in your RV, the braking system will engage the brakes of your toad (towed vehicle) at the same time and with the same intensity
  • 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. Need a Braking System for Flat Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's
  • 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 ...
Braking System for Flat Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, and
  • 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. for Flat Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your RV's brakes, and affect the
  • 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. page. Do I Need a Braking System for Flat Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a safety hazard, strain your
  • 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. accessory part on the search page. Do I Need a Braking System for Flat Towing? A braking system is a must when towing a vehicle behind your motorhome. Without it, the weight of the towed car can create a
  • Brake Systems
  • Proportional System
  • Fixed System
  • Roadmaster
  • Hydraulic Brakes
  • Indicator Lights
  • Every-Trip Setup
  • Vehicle Battery

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 ...
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 Disconnect for Towed Vehicle w/ Flat Tow Brake System - Diesel

Our Price: $222.65
In Stock
If you need to disconnect the battery to flat tow your vehicle, you're going to want this kit. It disconnects your battery with the turn of a knob - much safer and faster than doing it yourself - ...
your vehicle following use of this product. A charge line kit (RM-156-25 - sold separately) is recommended if you have a braking system that is using power from the towed vehicle's battery while it
  • Flat Tow Wiring Harness
  • Battery Disconnect
  • Roadmaster

Blue Ox Battery Disconnect for Towed Vehicle w/ Flat Tow Brake System - Gas or Diesel

Our Price: $195.16
In Stock
If you need to disconnect the battery to flat tow your vehicle, you're going to want this kit. It disconnects your battery with the turn of a knob - much safer and faster than doing it yourself - ...
and other accessories without draining the battery Rated at 275-amp constant duty and 1250-amp surge capability Specs: Application: vehicles that require the battery to be disconnected for flat towing -
  • Flat Tow Wiring Harness
  • Auto Battery Disconnect
  • Blue Ox

Roadmaster Battery Disconnect for Towed Vehicle w/ Flat Tow Brake System - Gas Only

Retail: $270.71
Our Price: $235.64
If you need to disconnect the battery to flat tow your vehicle, you're going to want this kit. It disconnects your battery with the push of a button - much safer and faster than doing it yourself ...
line kit (RM-156-25 - sold separately) is recommended if you have a braking system that is using power from the towed vehicle's battery while it is disconnected.
  • Flat Tow Wiring Harness
  • Battery Disconnect
  • Roadmaster

Hopkins Custom Tail Light Wiring Kit for Towed Vehicles

Retail: $127.99
Our Price: $75.23
In Stock
Plug-and-play custom harness gets turn and brake signals on your towed car with no hardwiring or splicing, and no effect on your warranty. The built-in diodes protect your car from electrical ...
vehicle No effect on your warranty Prevents feedback that can damage your vehicle's electrical components with diodes Provides 4-way flat plug at front of towed car Requires additional harness to
  • Plugs into Vehicle Wiring
  • Wiring Harness
  • 4 Flat
  • Hopkins
  • Custom Fit

Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord

Retail: $206.35
Our Price: $146.94
In Stock
This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your towed car. Diodes prevent damage from electrical feedback. Includes 7-way to 6-way ...
Features: Complete wiring kit connects your RV's tail, brake, and turn signal lights to your towed car Diodes prevent feedback that can damage your vehicle's electrical components Protected
  • Splices into Vehicle Wiring
  • Diode Kit
  • 7 Blade to 6 Round
  • Roadmaster
  • Universal Fit