bing tracking image
  1. Tow Bar Wiring
  2. Roadmaster
  3. Diode Kit
  4. Splices into Vehicle Wiring
  5. Universal
Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage Incandescent Tail Lights

Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage Incandescent Tail Lights

Item # RM26FR
Our Price: $292.72
Tow Bar Wiring

Will this fit?

To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.

Shipping Weight: 5 lbs
Add to cart
In Stock
Roadmaster Tow Bar Wiring - RM26FR
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

In Use/Installed

Need help with installation?
Locate installers near me
This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your vehicle with variable voltage lights while flat towing. 7-Wire to 6-wire cord and 6-way car-side socket included for easy hookup. Great Prices for the best tow bar wiring from Roadmaster. Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage Incandescent Tail Lights part number RM26FR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
  • All Info
  • Reviews (25)
  • Q & A (0)
  • Photos

Roadmaster Tow Bar Wiring - RM26FR

  • Diode Kit
  • Splices into Vehicle Wiring
  • Universal
  • Roadmaster

This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your vehicle with variable voltage lights while flat towing. 7-Wire to 6-wire cord and 6-way car-side socket included for easy hookup.


Features:

  • Complete wiring kit lets you connect your RV's tail, brake, and turn signal lights to your towed car's lighting system
  • Smart diodes ensure that your variable voltage, incandescent tail lights function as they should while your car's being towed
    • Converts the 12V signal from your RV's wiring to a 9V signal so your tail lights work as intended
    • Prevents electrical feedback that can damage your vehicle's electrical components
  • 7-Wire to 6-wire Flexo-Coil adapter cord lets you easily run power from your motorhome to your towed vehicle
    • Expands out to 8' to prevent dragging and tangling
    • Resistant to water, oil, and chemicals and has silicone-injected plugs to prevent corrosion
  • 6-Way socket wires to harness and mounts on towed car with included bracket
  • Powder coated aluminum casing on diodes is corrosion resistant and provides protection from the elements
  • Kit includes 2 smart diodes, wiring harness, split loom, ring terminals, zip ties, 7-wire to 6-wire adapter cord, 6-way socket with mounting bracket, and 10' of 14-gauge wire
  • Brake light relay (RM-88400 - sold separately) may be required if used with supplemental braking system
  • Assembled in the USA


Specs:

  • Maximum amperage: 5 amps
  • Maximum voltage: 16 volts
  • Wiring harness length: 27'
  • 14-Gauge wire length: 10'
    • Maximum power rating: 60 volts
    • Operating temperature: 40 F to 176 F
  • Coiled cord max length: 8'
  • Coiled cord retracted length: 15"
  • Limited lifetime warranty


This complete smart diode wiring kit lets you connect your RV's tail, brake, and turn signal lights to your towed car's lighting system so that you'll have the signal lights necessary for flat towing your vehicle.


Because your vehicle has variable voltage tail lights, you cannot use a standard diode wiring kit to get these signal lights. If regular diodes are used on a vehicle that has variable voltage tail lights, the bulbs will light up as though the towed car is braking whenever the tail lights are on. In other words, there will be no difference between your vehicle's brake lights and running lights. This is because variable voltage tail lights use the same wire to power both the brake lights and tail lights. They do this by using a 12-volt signal for brake lights and a 9-volt signal for tail lights.


Smart diodes correctly modulate the 12-volt signal coming from your RV to activate only the intended circuit. The result is that your vehicle's tail lights will look and function as intended.


This wiring kit includes everything you need to hook up your motorhome's electrical to your towed car. It is designed to work with incandescent lights only. If your vehicle has LEDs, you'll need to use the smart diode kit designed for LED tail lights (RM38FR - sold separately) instead.


If your RV has separate tail light wiring, wherein the brake and turn signals run on separate wires, you'll need a wiring converter (RM-732 - sold separately) to complete this installation.


Smart Diode Wiring Diagram


153782 Roadmaster Wiring Kit w Smart Diodes for Incandescent Bulbs

02427 14-Gauge Brown Primary Wire

146-7 Roadmaster Adapter 7 to 6 Wire Flexo-Coil Cord

Installation Details RM26FR Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:


Customer Reviews

Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage Incandescent Tail Lights - RM26FR

Average Customer Rating:  4.8 out of 5 stars   (25 Customer Reviews)

This complete kit includes everything you need to connect your RV's tail, brake, and turn signal lights to your vehicle with variable voltage lights while flat towing. 7-Wire to 6-wire cord and 6-way car-side socket included for easy hookup.

by:

A very easy installation. The instructions and kit quality were very good. I installed this kit on a 2019 Chevy Spark that I tow behind an RV. The lights have never failed to work as expected. I would highly recommend this product.



by:
2020 Chevrolet Sonic

Great company to purchase from. Very fast delivery.



by:
2023 Chevrolet Equinox

Great product!!



by:

Works like towing a trailer, The wiring was a challenge and the E-Trailer video on installatios was very helpful



by:

This is to rig my third vehicle for flat towing behind our motorhome. I am sure that the e-trailer people will be available to help me if I need advice.



by:
2018 Chevrolet Equinox

Installation went very well with the help of the video on your website. Thanks.



by:

Great service .I had a problem with a part they sent a new one and it worked great.Would recommend.



by:

Work as advertised - no issues



by:



by:



by:



by:



by:



by:



by:



by:



by:

I purchased this as part of a package which included; Hitch and wiring for my 2022 Equinox, Base plate, Tow Bar, brake System and connecting air hose, break away cables, LED tow lights with wiring harness, and a trickle charger to keep the Equinox battery from going dead while I was towing it behind my class A RV.
I had etrailer do the install of all the components on my car and RV. All the workmanship was excellent and done in the amount of time they said it would take. Also because they did not have a video of this equipment being put on this year and model vehicle, I gave them permission to make a video(which added a extra day and a half to the install)and the installation was free. Everything has worked perfectly and I couldn't be happier. Etrailer is my go to for anything towing and also RV parts.



by:

Works well and east to install just time consuming for layout, placement and overall cleanliness for super SANO install. The timing of installing this and the DUO Plug in Play must be done simultaneously. Layout the DUO first for placement locations and wire runs then this lighting wire run from front connection to rear area, then start at the front and make the connections from front to rear in one pass. Worked perfectly first time. Install fuses last.



by:

I ordered an in stock item on Thursday but did not receive it until 9 days later. Maybe I didn't order it correctly to receive it sooner. I don't think a picture will show the products on my vehicle. That is a great thing!



by:



by:



by:



by:



by:



by:


25
25

See what our Experts say about this Roadmaster Tow Bar Wiring

  • Correct Flat-Tow Diodes and Install for 2020 Chevy Equinox LT
    The 2020 Chevrolet Equinox LT has variable voltage taillights so in order to use diodes you must go with the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit part # RM26FR. I have attached an install video which shows the correct model with two taillight connectors as you have.
    view full answer...
  • What Lights Will Be Powered When Installing Tow Bar Wiring On 2020 Chevrolet Sonic
    The Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage Incandescent Tail Lights # RM26FR you were looking at for your 2020 Chevrolet Sonic will power the tail lights when plugged in to your RV. You should have turn signals, brake lights, and tail lights that come on when you turn on the running lights of your RV. These functions will only happen on the tail lights, and will not light up the front turn signals. If you are missing any of these functions I recommend...
    view full answer...
  • Tow Bar Lighting Kit Recommendation for 2013 Chevy Sonic
    For lighting you can use the diode kit, # RM26FR, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control the taillight assemblies of the towed vehicle. This comes with a round 6-way connector that you will install on the front of your towed vehicle and enough coiled wire to go from there to the RV.
    view full answer...
  • Flat Tow Wiring For 2023 Ford Bronco Outer Banks
    The flat tow wiring for your 2023 Ford Bronco Outer Banks is the same product you will use to get wiring to the front of your vehicle. The correct wiring harness is going to depend on if you have LED or incandescent lights on your Bronco: - LED Lights: Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit # RM38FR - Incandescent Lights: Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit # RM26FR
    view full answer...
  • Recommended Tow Bar Wiring Kit For a 2023 Ford Bronco
    For the 2023 Ford Bronco we recommend the Roadmaster Diode kits for tow bar wiring. Vehicles with LED tail lights should use the smart diode kit # RM26FR. If your vehicle does not have LED lights you can use the # RM-15267 kit. These kits will come with everything you need, including the diodes, wire, 6 pin plug, and coiled cable to connect the RV to the Towed vehicle. I have linked our install videos below.
    view full answer...
  • Should Wiring Harness Be Installed When Bumper is Off for Base Plates on 2019 Chevy Equinox
    Yes, when installing the Roadmaster Crossbar-Style Base Plate Kit part # RM-523193-4 on a 2019 Chevrolet Equinox it will be a good idea to go ahead and run the wires for the flat-tow wiring harness while the bumper is off. If you don't already have a wiring harness, I recommend using the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit part # RM26FR. I have done by fair share of flat-tow installations and this is how I have done them each time.
    view full answer...
  • How To Charge Battery On 2022 Chevrolet Equinox While Towed Behind Motorhome
    In order to charge the battery on a 2022 Chevrolet Equinox while in tow you'll need to run a battery charge line, the Roadmaster Battery Charge Line Kit for Towed Vehicles part # RM-156-25. This takes power from the motorhome battery to charge the vehcile battery. The wire can be run though the wiring harness for the lights which I recommend the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit part # RM26FR for.
    view full answer...
  • Does the Roadmaster Falcon 2 and Falcon All-Terrain Towing Kit Come With Diodes Included
    The diodes that are included in the Roadmaster # RM-9243-1 are not LED light diodes, but are diodes installed on the electrical system put in place to help protect the tow vehicle from any potential shorts or power surges that could damage it while towing. This Roadmaster # RM-9243-1 does utilize bulb and socket lighting, which are the bulbs you're seeing and will be installed into your tail light housing. With that said, you might actually be better off using the Roadmaster Smart Diode...
    view full answer...
  • Wiring For Flat Towing 2022 Chevy Equinox LT
    Your 2022 Chevy Equinox LT requires flat tow wiring with smart diodes because your Chevy's tail lights have variable voltage, which means there is just one wire that sends different voltage to the lights based on if the brake lights or turn signals are on. The smart diodes regulate that voltage to ensure the correct signal is received. The right kit is going to depend on if your Equinox has LED or incandescent tail lights: - LED: Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable...
    view full answer...
  • How to Find Tail Light Functions on 2023 Chevy Equinox Premier for Flat Tow Light Wiring
    Thanks for reaching out! The correct wiring harness for flat towing your 2023 Chevy Equinox Premier will be the Smart Diode kit from Roadmaster. You need part # RM26FR if you have incandescent tail lights or part # RM38FR if you have LED tail lights. To determine the correct wires to splice into you need to remove the clip from the tail light and then use a circuit tester like part # PTW2992 to check what functions are on each pin. Unfortunately we don't have a pin-out of what functions...
    view full answer...
    Image 1 for Image 2 for
  • Availability Of Smart Diode Kit For A 2023 Chevy Equinox
    Indeed you will need the Smart Diode Kit for your 2023 Chevy Equinox with LED lights. We carry them here at etrailer and we are able to ship to you in Canada. We have part # RM26FR for the complete kit, of we have # RO94FR if you need the diodes and wire only.
    view full answer...
  • Diode Wiring Kit For Flat Towing A 2022 Ford F-150
    We don't currently offer the Hopkins 56012 wire harness so you would need to purchase it through Hopkins or you could use the Roadmaster # RM38FR (LED tail lights) or # RM26FR (Incandescent tail lights) instead.
    view full answer...
  • Is Brake Light Switch Needed w/ Invisibrake Supplemental Braking System on 2021 Chevy TrailBlazer
    It looks like you've got a good handle on what you need to flat tow your TrailBlazer. You will indeed need a stop light switch, part # RM62FR. Also, per the owner's manual, you'll need to disconnect the negative battery terminal before towing. A quick disconnect, part # RM-766 is available. The kit includes a switch that mounts in the passenger cab of the vehicle that allows you to disconnect and connect the battery remotely without needing to go into the engine compartment and disconnect...
    view full answer...
  • Does The Curt Baseplate Work With A 2023 Chevy Equinox Premier With Lower Active Air Shutters
    The Curt Custom Base Plate Kit # C28FR doesn't have any notes listed stating that it will interfere with the lower active air shutters on your 2023 Equinox Premier. If it does the shutters can be trimmed or removed to allow for the baseplate to fit. One of our installers, Brad, has a done this more times than I can count since the Chevy Equinox is a popular choice for flat towing. If you haven't picked out the rest of your flat towing components then I have the following recommendations: Tow...
    view full answer...
  • Recommended Roadmaster EZ5 Direct-Connect Base Plate For A 2021 Chevy Equinox
    We definitely have options available for your new 2021 Chevrolet Equinox. Having the tow bars and braking system from a previous vehicle definitely makes life easier, and the Sterling tow bar ( # RM-522) will have no problem handling the weight. So to start, the Roadmaster Direct-Connect Base Plate Kit # RM-523193-5 will require a little trimming to get installed, but is specifically for your vehicle. The removable arms are Roadmaster's EZ5 Direct-Connect style connection, so it will have...
    view full answer...
  • How To Install Diode Tail Light Wiring In A 2020 Chevy Equinox
    A 2020 Chevy Equinox can't use a standard diode kit like the # RM-154 and would instead need smart diodes like the # RM26FR (incandescent) or # RM38FR (LED). These vehicles have variable voltage wiring so using a standard diode wouldn't allow the lights to properly display the signals form your 2019 Jayco Alante 26X. For the installation you'll just need to determine if the motorhome has separate or combined tail light wiring to determine the correct wiring procedures. In a combined system,...
    view full answer...
  • Do Curt Base Plates Fit 2024 Chevy Equinox With Active Shutters
    Yes, the Curt Custom Base Plate Kit # C28FR will work on your 2024 Chevy Equinox with active shutters. Along with the base plates you'll need a number of other things to flat tow your Equinox, so I'll go ahead and list out everything required to make it easy to order: - Base Plate Kit: Curt Custom Base Plate Kit # C28FR - Tow Bar: Curt Rambler Steel Tow Bar # C26FR - Wiring Kit (For Equinox With LED Tail Lights): Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage...
    view full answer...
  • Does Roadmaster Flat Towing RM-155 Bulb and Socket Kit Fit a 2020 Chevy Equinox
    It will depend on the trim level of your 2020 Equinox. If it's an L, LS or LT model, you will be able to use the # RM-155 Roadmaster bulb and socket kit. If it's a Premier model, you'll need to use a different option. The Premier model uses variable voltage taillights that would require a smart diode. If the taillights on the Premier model are incandescent, use # RM26FR. If they're LED, use # RM38FR. I've linked to some installation videos that you might find helpful.
    view full answer...
  • Recommended Tow Bar Wiring Kit For Flat Towing A 2022 Ford Bronco
    The Curt Tow Bar Extension Cord w/ Socket # C59HR is just the parts that will go between the motorhome and vehicle. If you're setting the vehicle up to flat tow then you'll want to go with a kit like the # RM-15267, which will have everything you need to have the tail lights of the Bronco properly display the motorhome's traffic signals. If the Bronco has variable voltage tail lights then you'll need to use part # RM38FR for LED's or part # RM26FR for incandescents.
    view full answer...
  • How To Use Roadmaster Nighthawk Tow Bar On a 2020 Chevrolet Equinox
    In order to use the Roadmaster Nighthawk All Terrain, Non-Binding Tow Bar part # RM-676 on a 2020 Chevrolet Equinox you'd indeed need the Roadmaster Direct-Connect Base Plate Kit part # RM-523193-5 which is an exact fit. I am not sure what you mean by size but the Roadmaster Direct-Connect Base Plate Kit works with all Roadmaster tow bars that slide into a trailer hitch. In order to complete your setup you'll only need the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit part # RM26FR...
    view full answer...
  • Can Curt T-Connector be Used to Activate 2021 Ford F-150 Tail Lights for Flat Towing
    The Curt T-Connector # C63NR you're installing on your 2021 Ford F-150 is designed to send power to a trailer, but for a flat tow setup you need a wiring harness designed to receive power, and for that I recommend the Roadmaster diode kit: - Hybrid # RM-15267 - non-Hybrid # RM26FR Both parts are installed by splicing into the wiring on your truck and gives you everything you need to get the power from the RV plug back to the tail lights on your F-150.
    view full answer...
  • Does Rear Wiper Fuse Need to be Pulled to Flat Tow a 2019 Chevy Equinox
    According to the owner's manual for your 2019 Chevy Equinox there will be a power draw while you're flat towing so it calls for charging the battery during travel. This can be accomplished by using a wiring kit like the Roadmaster # RM26FR and then adding the Charge Line Kit # RM-156-25 so power from your motorhome will charge the battery. It's entirely possible that removing the fuse for the rear wiper will keep the battery from being drained but that's not something we've looked into...
    view full answer...
  • Blue Ox Diode Wiring Kit Compatibility With A 2023 Ford Bronco
    The Blue Ox Tow Bar Wiring Kit - 4 Diodes # BX8848 is just a standard diode kit so it would work as long as you don't have variable voltage lighting. For variable voltage LED's you'll need part # RM38FR and for variable voltage incandescent bulbs you'll need part # RM26FR. If you do end up being able to use # BX8848 then you'll also need a 6-pole socket and 7-pole to 6-pole adapter, which you can get with part # BX88206.
    view full answer...
  • Compatibility of Curt C28FR Base Plate With Blue Ox Tow Bar on 2019 Chevy Equinox
    It sure will. The Curt # C28FR Base Plate Kit is compatible with Blue Ox or Curt base plates (also with Roadmaster and Demco if the correct adapter is used). You'll also need safety cables like # RM-643, a wiring solution like # RM26FR unless its a Premier model, in which case you'd need # RM-15267 and a supplemetal braking system like the Roadmaster # RM-8700 Invisibrake and a # RM-751489 stop light switch. If the installed height of the base plate is more than 3 inches higher or lower...
    view full answer...


< Previous
123. . .5



Do you have a question about this Tow Bar Wiring?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Joshua S
Video Edited:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Chris R
Video by:
Chris R
Employee Jonathan Y
Video by:
Jonathan Y
Employee Thomas T
Video by:
Thomas T
Employee Ethan H
Video by:
Ethan H
Employee Rick G
Video by:
Rick G
Employee Conner L
Test Fit:
Conner L
Employee Ryan G
Test Fit:
Ryan G
Employee Clayton O
Test Fit:
Clayton O
Employee Bradley B
Test Fit:
Bradley B
Employee John A
Test Fit:
John A
Employee Mike S
Written by:
Mike S

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.


Product Experts Available Now!
Call 1-800-940-8924