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FITS 1980 Chevrolet Suburban
Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

Item # RM-15267
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Our Price: $166.57
Tow Bar Wiring
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1980 Chevrolet Suburban

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RM-15267 - Diode Kit Roadmaster Tow Bar Wiring
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Call etrailer.com at 800-298-8924 for expert service. We are your Chevrolet tow bar wiring experts, and offer a lowest price guarantee. etrailer.com carries a complete line of Roadmaster products for your Chevrolet Suburban 1980. Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part RM-15267 from Roadmaster can be ordered online at etrailer.com. Complete tow bar wiring installation instructions and technical support.
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1980 Chevrolet Suburban - Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

  • Diode Kit
  • Splices into Vehicle Wiring
  • Roadmaster
  • Tail Light Mount
  • Universal

Diode kit allows you to use your Chevrolet Suburban's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 6-wire Flexo-Coil electrical cord.


Features:

  • Lets you wire your vehicle to accept your RV's tail, brake, and turn signal lights for flat towing
  • Wires towed car as combined system so that brake and turn signals travel along same wire
  • Prevents electrical feedback and the damage it can cause to your vehicle's electrical components
  • Diodes powder coated aluminum case is corrosion resistant and provides protection from the elements
  • Brake light relay (RM-88400 - sold separately) may be required if used with supplemental braking system
  • Flexo-Coil cord is resitant to water, oil, chemicals, and has silicone-injected plugs to prevent corrosion
  • Center pin on 6-Way plug wired to 12V power, there are two industry standards
  • Includes:
    • 4 Hy-Power diodes - 27' long
    • 4-Wire harness
    • Wire connectors
    • Cable ties
    • 1 Ring terminal
    • 3' Long plastic loom
    • 8' Coiled cord
    • Vehicle mounting bracket
    • Socket
  • Made in the USA
  • Limited Lifetime Warranty


Specs:

  • Diode Max amperage: 85 amps
  • Diode Max voltage: 24 volts
  • Coiled cord max length: 8'
  • Coiled cord retracted length: 15"


Note: For applications that have separate lighting, this kit will cause your brake lights to function as both brake and turn signal lights. A wiring converter (118158 - sold separately) and 2 additional diodes (RM-792) will be needed if you want to retain separate turn and brake signals.


Separate vs. Combined Lighting Systems

Some automobiles operate on a 3-wire system, wherein the brake signal and the turn signals travel along different wires to illuminate different lights. (Typically, these vehicles have amber turn signals.) This is referred to as a "separate lighting system". When you hook up for flat towing using this kit, your towed car's lighting system will operate in a combined fashion regardless of whether it typically has combined or separate lighting. This means that the brake and turn signals sent by your RV to your towed car will be carried on a single wire. As a result, your car's brake lights will do the flashing for the turn signals. Your vehicle will still function as designed when not hooked up to your RV.


Diode Wiring Diagram


Diode Wiring Diagram


Diode Wiring Diagram


Diode Wiring Diagram

Do You Need a Brake Light Relay?

Because this kit wires your vehicle as a combined system, a brake light relay (RM-88400 - sold separately) may be required if you use a supplemental braking system with your towing setup. A supplemental braking system depresses the brake pedal in your towed car every time you apply the 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 the lights on your towed car always act in accordance with the signals sent by your RV via the wiring harness. Without a relay, the brake signal from your towed car will override the turn signal sent by your RV when you slow down to make turns, creating a potential hazard.



15267 Road Master Towed Car 4 Diodes RV Plug to 6-Wire Socket Flexo Coil Wiring Kit

Installation Details RM-15267 Installation instructions

Video of Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Roadmaster Tow Bar Wiring - Splices into Vehicle Wiring - RM-15267 Review

Today we're going to take a look at the RoadMaster diode seven-wire to six-wire flexo coil wiring kit. Now, this will let your wire your vehicle to accept your RV's tail, brake and turn signal lights for flat towing. This will wire the tow car as a combined system so that your brake and turn signals will travel along the same wire. It will also prevent electrical feedback in the damage it can cause to your vehicle's electrical components. The diodes right here use a powder-coated aluminum case, which is corrosion resistant. They provide protection from the elements. Now, if this kit is used with supplemental braking system, it may require a brake light relay, part number RM-88400.

We do sell that separately on our website. The flexo coil cord right here is resistant to water, oil, chemicals, has silicone-injected plugs to help prevent corrosion. The center pin on the six-way plug, it can be wired two different ways. This one happens to be wired as a 12-volt power center pin. It includes everything shown here on the table. Includes the four high-power diodes, the 30-foot long, four-wire harness, all the wire connectors you'll need and cable ties, a nice three-foot long plastic loom to put around the wiring.

This cord right here is an eight-foot coiled cord, and it comes with a vehicle socket, the six-pin socket right here and the mounting bracket for that. All these parts are made in the USA and also covered with a nice set of detailed instructions on how to install everything. A few specs on this kit: The diode max. amperage is 85 amps. The diode max. voltage is 24 volts, and we mentioned the coil cord length is eight-foot, and when it's totally extended out, it's 15 foot.

One last note on this kit. For applications that'll have separate lighting, this kit will cause your brake lights to function as both brake and turn signal lights, so you would need to get a wiring converter, which is part number 118158, and two additional diodes, which are part number RM792. Those will be needed if you want to retain separate turn and brake signals. That should do it for the review on the RoadMaster diode seven-wire to six-wire flexo coil wiring kit.


Customer Reviews

Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit - RM-15267

Average Customer Rating:  4.8 out of 5 stars   (204 Customer Reviews)

Diode kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. Wires 2-wire and 3-wire systems to operate as a combined lighting systems. Includes 7-wire to 6-wire Flexo-Coil electrical cord.

- RM-15267
by:
Roadmaster

Worked Great, was easy to install. I also like my Roadmaster, BrakeMaster for my tow vehicle behind my motorhome. 740386



- RM-15267
by:
2016 Jeep Wrangler

Takes time to install, but easy with good instructions. Fast shipping from etrailer. Thanks! 661431



- RM-15267
by:
Cadillac SRX

Overall this would be a five star review except for two issues. One being the wire provided was not 30 ft but was closer to 25 ft as I checked before using. I wired the same as the great etrailer video for my vehicle Cadillac SRX and ended up short. Fortunately I had additional wire and was able to complete the run. Secondly, the female spade connectors used on the diodes needed to be tightened as they were not very tight as provided by Roadmaster. These were all Roadmaster issues and of not fault of etrailer. Everything else looked of good quality. 428886



- RM-15267
by:

Very good quality. Installation took 4 hours and that was due to locating tail light pins of which i had 2 on both left and right lights. Had to find 2018 jeep wrangler jl wiring schematics to find which one was the correct one to use. Where i could, I ran all wiring inside the frame members. That took more time than expected, but after that installation was a breeze. Refer to installation videos, very big help! After installation everything worked as expected between RV and Jeep! 693146



- RM-15267
by:
2018 Subaru Forester

I found the installation video to be more helpful than the written instructions. The toughest part of the installation was routing the wires to the front of the Forester. The video was helpful in figuring out the best path for the wires. 460332



- RM-15267
by:

Great customer service 683031



- RM-15267
by:

I like the coiled cable in RM-15267 At one time I owned an Airstream travel trailer that had a tow cable. The Airstream did not have a coiled cable and I had to tie it up with bungy cords to still allow flexibility while traveling. That lasted for one season and the bungy cords stretched out and the cable started touching the road, scraping off the insulation! The coiled cable in the RM-15267 prevents the cable from dragging on the road! 446459



- RM-15267
by:
2016 Jeep Wrangler

Towbar wiring system arrived within 4 days of placing my order. This 7 to 6 wire system is an upgrade to the simpler 4 wire plugs I've used in the past and will allow me to add on a battery charge line or brake system later on. The demonstration video was indispensable in hooking up the wiring and diodes. Though running and connecting the wiring does take longer than a 10 minute video. Now I can tow my 2016 Jeep Wrangler behind my RV. 444983



- RM-15267
by:

Everything as expected. Super Fast Ship ping 693656



- RM-15267
by:
Subaru

I ordered an entire setup to flat tow my Subaru with my RV. Having never done this before I was nervous about missing something I might need. etrailer made it very easy when I called them on the phone. I told them what I was trying to do and they made sure I had everything needed to complete the job. I was given a name and phone number to call the same person if I had any issues. When one of the boxes was opened it was missing two pins from the manufacturer. A quick phone call and they had them in the mail in a matter of hours. This kind of personalized service is missing in our ever changing world. It was a pleasant surprise to find it here. Great Job etrailer. I will favorably recommend to everyone. 493275



- RM-15267
by:
2016 Jeep Cherokee

The product is a good quality I installed this before. This time I needed 4-5 feet extra wire to route it properly. That's why I give it a 4 start. On the end its worked fine. 252634



- RM-15267
by:

The quality is good, straightforward install. I’m happy with the kit 568004



- RM-15267
by:

The wiring kit included all the parts listed and the video was most helpful with the installation. The installation went fairly easy until I got to the portion of running the brown wire from one taillight to the other taillight. The brown wire was not long enough. I had to splice another piece of wire on to the brown wire to make it longer. etrailer should consider making the length of included wire approximately 3 feet longer. That would have helped a lot with the installation. Also include a longer piece of the split protective plastic. Other than those two issues, I am satisfied with the product. 459131


Comments
After one year of use and the wiring installation has worked great.
Steve - 12/11/2018

46589

- RM-15267
by:
2015 Cadillac ATS

Great kit for auto to motor home connection. Watched the video while installing the kit. Very good video and spot on for making the connection and explaining how to route the harness. 502226



- RM-15267
by:
Jeep

Everything installed without any issues. I'm very particular so it took 2 days to complete everything. I'm sure a pro could do it much faster. Have towed the 4" lifted (and loaded) Jeep accross the Rockies about 6 times and everything is working perfectly!! Very happy camper!! 301003



- RM-15267
by:

All was straight forward and the video was spot on for the installation. Wasn’t easy but well worth it. Had a broken part on the original delivery and the part was delivered fast. 654435



- RM-15267
by:

his product worked as advertised. Installed it on my 2010 Jeep Wrangler. shipped fast and the install wasn't all hard with the help of the great videos on line made it much easier. 670790



- RM-15267
by:

Friendly service, Great prices, fast shipping! What else could a person hope for! 690216



- RM-15267
by:
Jeep

We have towed our Jeep almost 2,000 miles since installing the recommended parts from etrailer and it has worked perfectly on every connect and disconnect along the way. Tows beautifully, even at 70 mph. Excellent customer service and helpful videos from these folks. Would recommend to anyone needing help with parts and guidance in towing their toad to give them a call. 616795



- RM-15267
by:
2000 Jeep Wrangler

Excellent company. Great communication, fast shipping and the products worked perfectly. I had some trouble installing this to my rear brakes, but that was my own fault. I didn't realize that the brake lights are grounded when they are mounted to the Jeep. So I kept testing the lights once they were hooked up, however they weren't mounted back on the Jeep. It wasn't until everything was mounted back on that it all worked without any issues. 305606



- RM-15267
by:

Installed and worked well on our 5000 mile jaunt over the summer. 747389



- RM-15267
by:

Nick was professional and respectful on the phone, very helpful and knowledgeable about the product. I received the items as advertised. 747186



- RM-15267
by:

See my review for the rear plug 745571



- RM-15267
by:

Worked good and easy to use. 744585



- RM-15267
by:

simple wiring 737833


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Show More Reviews

Ask the Experts about this Roadmaster Tow Bar Wiring

  • Flat Tow Wiring for a 2017 Jeep Wrangler
    The Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit, part # RM-15267, is the best option for you to use to flat tow your 2017 Jeep Wrangler. It will provide a 6-Way wiring harness to the front of your Wrangler that you can connect to the 7-Way on your RV with the included Flexo-Coil cord. If your Wrangler has separate lighting you will need to use a wiring converter, part # 118158, along with 2 additional diodes, part # RM-792, to keep your turn and brake signals separate. If...
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  • Flat Towing Setup For 2017 Jeep Cherokee
    He is giving you the information he knows, and isn't incorrect...but is incomplete. There are limits to the battery and that can cause issues, where the manual doesn't have that issue. However, there are many wiring kits, like the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 that will allow you the features to charge your battery while you drive so you are not limited in your hours of towing based on battery. There is a wiring tech bulletin 68321424AB from Jeep...
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  • Flat Tow Wiring Needed For 2020 Jeep Wrangler
    The best option for flat tow wiring on the 2020 Jeep Wrangler is Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part # RM-15267. This will provide a 6-Way round harness on the front of the Jeep Wrangler that you can to your RV with the included flexible coiled cable. If you are planning on using a supplemental braking system, you will need a stop light switch kit part # RM-751490 which will alert you when the Wranger's brakes are being applied while flat towing. To complete...
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  • Base Plate, Tow Bar and Wiring for Flat Towing 2018 Ford F-150 Raptor
    We can help you confirm the correct components to prepare your 2018 Ford F-150 Raptor that has LED lights for being flat towed. Roadmaster diode wiring kit # RM-15267 is confirmed to fit your truck and so is the Roadmaster EZ5 base plate kit # RM-524431-5. Base plate installation may req
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  • Recommended Wiring to Flat Tow 2020 Jeep Wrangler Behind Motorhome
    To wire up your 2020 Jeep Wrangler so that it accepts the signal lights from your RV I highly recommend the Roadmaster Diode Flexo-Coil Wiring Kit # RM-15267. This will tap into the tail light circuits of the Jeep and provide you with a 6-Way to mount at the front, along with enough coiled wiring to go from there to the 7-Way on the motorhome. The included diodes prevent any potentially harmful feedback. I have attached an installation video on an earlier model Wrangler that you can...
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    There are a few parts you are going to need to flat tow your 2018 Ford F-150 and for a wiring harness I recommend the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 because it's coiled cord is resistant to water and corrosion, and because it comes with a 6-way and mounting bracket. You will need to use Roadmaster Brake-Lite Relay # RM-88400 as well to keep your 2018 F-150's brake signal from overriding the turn signal sent by your RV The other parts you need are base...
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  • Can I Purchase Roadmaster Diode Kit Without The Coiled Adapter
    Yes, if you do not need the 7-way to 6-way coiled adapter cord you can purchase Diode Kit and wiring part # RM-152 and trailer side 6-way plug part # RM-910030-6. This 6-way plug is the same plug that comes with the kit # RM-15267. The Diode kit part # RM-152 comes with 4 diodes and 30 feet of 4-wire. It also comes with the connectors, zip ties, 1 ring terminal and plastic loom to wire the vehicle for lights while flat towing. I have attached an installation video of the diode kit in...
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  • Parts Needed to Flat Tow 2012 Ford Focus
    Yes, the base plate kit part # RM-524430-4 is a fit for your 2012 Ford Focus, can be used with the Roadmaster Tracker part # RM-020, and the diode wiring kit part # RM-15267 would cover the lighting. You do need supplemental braking though as well. The easiest system to set up and use is the Blue Ox Patriot # BRK2016, that applies the vehicle brakes in proportion to how much the tow vehicle is braking. This is the safest way to stop and it reduces wear and tear on both vehicles.
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  • Does Roadmaster Diode Tow Bar Wiring Work with 2020 Jeep Wrangler Unlimited
    Yes, we've checked with Roadmaster in the past and they have confirmed that the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 you referenced does fit vehicles that have LED taillights like your 2020 Jeep Wrangler Unlimited. I attached an install video for this kit on a similar Wrangler for you to check out as well. To complete your flat towing setup I'd also recommend the: Roadmaster Base Plate # RM-521453-5 Falcon All Terrain # RM-522 Blue Ox Patriot Braking...
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  • Recommended Flat-Tow Wiring Harness for a 2019 Ford Ranger with LED Taillights
    I am not sure which kit exactly that you are referring to but all of the ones we offer will work with the LED's on your 2019 Ford Ranger. I recommend the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit part # RM-15267 because it has a spot for you to run a charge line if needed and the umbilical cord is very durable so it will last a long time. This will work just fine with LED's.
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  • Is Mopar Flat-Tow Wiring Kit Needed for 2017 Jeep Cherokee Trailhawk
    Yes. You will need to purchase and install Mopar flat-tow wiring kit 68321424AB before flat towing your vehicle, as per Jeep tech bulletin (08-010-17). This kit is available at your local Chrysler and Jeep dealership. I've attached a photo of the bulletin to assist. Basically there is a severe shake and/or bounce that some refer to as "death wobble". This isn't a mechanical issue but rather a wiring solution. This harness solves the issue so you can flat tow safely. If you need...
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    According to pages 311 and 312 of the online owner's manual for your 2019 GMC Canyon Denali you will actually leave the transfer case shifted in Neutral and the key in the ACC position while flat towing. There are some other steps leading up to and following these instructions though so you will need to consult your owner's manual to ensure that you set your Canyon up properly for flat towing. This set of instructions also calls for disconnecting the battery so I recommend using a wiring...
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    That's a good question but a wiring converter is not needed to install the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 on your 2015 Mini Cooper. Since it has separate lighting and your motorhome has combined lighting you can add Tail Light Converter # 118158 if you want to retain your Mini's separate turn and brake signals but it isn't a requirement. In regards to the airline you will run the vacuum line of the SMI Stay-IN-Play DUO Supplemental Braking System...
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  • Is a Brake-Lite Relay Kit Needed for 2018 Ford F-150 with Blue Ox Patriot Braking System?
    For your 2018 Ford F-150 using the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 you will need to install the # RM-88400 relay kit to prevent the towed vehicle's brake signal from overriding the turn signal from the RV when applying the brakes during a turn. This combination with your Blue Ox Patriot or Blue Ox Patriot Portable Braking System # BRK2016 will work well. Let me know if you have further questions.
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  • Wiring for Flat Towing a 2016 Lincoln MKX
    Yes, the diode kit # RM-15267 is confirmed to fit your 2016 Lincoln MKX. Depending on how handy you are I'd say the installation is between 4-6 hours. I did attach an installation video on a 2015 Jeep Cherokee which won't be exactly the same as your Lincoln but it will be the same basic process.
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  • Compatibility of Roadmaster Diode Wiring Kit # RM-15267 with 2018 Jeep JL Wrangler LED Tail Lights
    The Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 is compatible with the LED lights on your 2018 Jeep JL Wrangler Unlimited Sahara package. The LEDs will not change the wiring function of the diodes and will work just fine.
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  • Roadmaster Diode 7-Wire to 6-Wire # RM-15267 Wiring Diagram for Motorhome to 2016 Ford Focus
    It looks like your 2016 Ford Focus has a separate wiring system, which means the brake and turn signals are sent along separate wires. I have attached two wiring diagrams for the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267. One is for a separate motorhome and the other is for a combined motorhome. Both diagrams show wiring to a separate towed vehicle like your Ford Focus.
    view full answer...
  • Parts Needed to Flat Tow a 2016 Subaru Forester
    For lighting you can use the diode kit, # RM-15267, 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. The socket of this kit can then attach to the socket mounting bracket on the front of the Roadmaster...
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  • Recommended Flat Tow Wiring Kit for Lights on 2019 Jeep Wrangler Sport
    We certainly have what you need to wire your Jeep so that it accepts the tail lights from the RV when being flat towed but there isn't a plug-and-play option available for your 2019 Jeep Wrangler Sport. What I recommend using is the Roadmaster Flexo-Coil Wiring Kit # RM-15267, which includes everything needed to set up the lights on the Wrangler. It will wire into the tail light circuits of the Jeep and uses diodes to prevent any electrical feedback. The included 6-Way connector will...
    view full answer...
  • Is There Chance for Diodes to Overheat on Roadmaster Wiring Kit for 2013 Honda Fit
    The diodes included in the Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 are going to be close when you are installing them on your 2013 Honda Fit but there won't be any type of failure or overheating issues as it is standard for these diodes to be close, as you can see by the wiring diagram of the Wiring Kit. As for the loom, there is not a specific part number available from Roadmaster, however this is a simple 3' split plastic loom to house wiring.
    view full answer...

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    Need to return an item? No problem. Please read our Returns Policy for more information.

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