RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit

RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit

Item # RM-164-7

lowest price pledge

Retail:$83.31

Our Price: $63.25

You Save: 24%
Accessories and Parts

This item qualifies for Free Shipping

Shipping Weight: 2 lbs

Arrives before Christmas with Ground or Free Shipping.
Quantity: 
In Stock, Ships Today
Roadmaster 7 Blade to 4 Round Accessories and Parts - RM-164-7
zoom in icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.
Please enter a valid email address.

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.

pop out icon replay 360 icon
horizontal rotate icon

Product Images

Easily and effectively connect your motor home to your towed vehicle with this water-, oil- and chemical-resistant electrical cord. Flexo-Coil technology allows cord to extend more than 8' and then contract conveniently for storage. Call 800-298-8924 to order Roadmaster accessories and parts part number RM-164-7 or order online at etrailer.com. Free expert support on all Roadmaster products. Guaranteed Lowest Price and Fastest Shipping for RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (36)
  • Q & A (19)
  • Videos (2)
  • Photos
  • Why etrailer?

Roadmaster Accessories and Parts - RM-164-7

  • Tow Bar Wiring
  • Extension
  • Roadmaster
  • 7 Blade to 4 Round
  • Coiled Cord

Easily and effectively connect your motor home to your towed vehicle with this water-, oil- and chemical-resistant electrical cord. Flexo-Coil technology allows cord to extend more than 8' and then contract conveniently for storage.


Features:

  • Adapter cord can be used for multiple towing applications
    • Perfect for running power from your RV - with the 7-pole, round plug - to your towed vehicle or trailer
  • Flexo-Coil cord can expand more than 8' yet still contract to prevent dragging and tangling
  • Silicone-injected plugs prevent corrosion
  • Cord is resistant to water, oil and chemicals
  • Made in the USA


Please note: Flexo-Coil cords are not intended for use with RoadMaster All Terrain tow bars, or any other tow bar that includes cable channel guides. Only straight cords should be used with those models.



164-7 RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit





Video of RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit


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




Video Transcript for Blue Ox Tail Light Wiring Kit for Towed Vehicles Installation - 2004 Mini Cooper

Today on this 2004 Mini Cooper, we're going to install part number BX88267 from Blue Ox. This is their tail light wiring kit for towed vehicles with LED bulbs. First thing were going to do is take a floor wire and we'll route it down towards the front of the vehicle and to the center. We'll run it down below the driver's side head light below the bumper cover and out to the center. Go ahead and open up the panel below the vehicle so we can get better access to the wires that we pushed through. Pull it down across and then route it out to our opening into the grill.

We'll go ahead and pull our wire through and then we'll go ahead and start installing our 4-pole connector. Now, this connector does not come with the kit. This is from part number RN-164-7, RoadMaster's 7 to 4-wire Flexo-Coil Kit. Before we install the connector itself, we'll go ahead and install the hardware to help hold the connector in place. These parts came with a base plate already installed on the vehicle.

These bolts are self-threaded cutting so we'll run them out a few times where we'll do our final assemble. We'll install the screws and then the small brackets, one on each side, and we'll leave them snug but still we can able to move them around. Then we'll go ahead and attach our 4-pole connector. First, we'll disassemble the 4-pole connector and then we'll run our wire through it. On our 4-wire end, we'll separate the wires and strip back the ends, and connect them to our 4-pole connector and then we'll connect our wires to the back side of the connector.

We'll be using this sequence looking at the front of the connector with the set screw on the top. On the left hand side will be number one. Our number one pin will be our left turn and stop. Now, it will be our yellow wire. We'll loosen up the set screws and then install the wires.

Down below on the left hand side will be number two and that will be the ground. That will be our white wire. Back on top, the number three, that will be our right turn and stop and that it will be our green wire. Number four will be our tail light and that will be our brown wire, and then we'll reassemble the connector. It also may be a good idea to wrap some electrical tape around the wire behind the connector and then we'll go attach the connector to the brackets. Now, continue routing the 4-pole wire towards the back of the vehicle. We're going to route it around the engine over towards the top and then through the firewall. We'll use some zip ties to keep the wires together and out of the way. There is a small panel in front of the brake fluid reservoir then we have to run our wire through. We'll pull up on the seal and a small section with a rubber seal on it. We'll go ahead and push that out of the way and then push our wire on top of that, and then we'll reinstall the seal. Now running it to the firewall, there's a large round grommet right behind it. First off, we'll go ahead and show you with the screwdriver and then we'll poke a hole through it. Now, this is easier done from the inside. Now to pull our wires through first, we're going to run a piece of airline tubing to the grommet. This could also be in a stiff piece of wire to help pull our 4-pole wire back through. With the red tubing through the grommet, we'll take some electrical tape and connect the 4-pole wires to the red tubing. We'll go ahead and pull it through the grommet and we'll take up all the slack and then we'll go ahead and route it over to the left side above the components to make sure we stay away from the steering components underneath the dash. Then basically, we can go ahead and start taking the wire and routing it towards the back. We're going to tuck it underneath the plastic panels. Up towards the front, we'll remove the fuse panel cover so we could get access to the wire and pull it through behind it then we'll going to run it at the back side so we can hide it behind the rubber seal along the edge. We'll run it pass on the length of the door and going towards the back. We'll keep it underneath the plastic until we get to the back seat and then we'll go ahead and tuck it between the plastic and the back seat as far as we can, then push it underneath the hinge for the back seat and then we'll work it behind the plastic there. Now, our wire is back by the tail lights. We'll go ahead and remove the tail lights. There's one that we have to remove and then there are two clips on the inside. You have to feel for the clips on the inside. You really can't see them from the outside. This may help to remove the light bulbs as well to get easier access to the tabs. I'm going to release the tabs. We'll go ahead and push the light out. With the light out, we can show you the tabs that we're talking about now. All right, now we have to install our LED lights. We have to drill a 9/16 hole on the back side of the light. Now, we're going to try to keep it about an inch away where the location of the original tail light bulb is. When we drill it out, we'll use a pilot hole first, a 1/4-inch bit, and then follow it up with a 9/16. Now, use light pressure so you dont go from the inside and crack the housing on the outside. Now, we'll go ahead and install the socket. Push it into place until it clicks in. It may help to twist it a little bit as you install it. You should hear a small click once fully installed and then we'll go ahead and run some sealant around to help hold it in place as well and protect it. Now, we can go ahead and reinstall the light. We'll push it back into place and make sure we dont disturb the new wire we just installed. We're done with our light for the driver's side. We'll go ahead and start connecting our wires. First off, we'll start with a white ground wire. We'll take our 4-pole wire. We'll peel back the ground and we'll cut it in half and then install a ring terminal. We'll add that to the factory ground that's located behind the plastic panel. The rest of the white wire going towards the back, we'll go to our white wire off our socket. We'll connect those two together using a butt connector. Now, we have a brown and a black wire leftover. Our brown wire from the 4-pole wire will connect to the brown wire as well. We'll pull away our brown wire. We'll cut it in half. We'll twist those two together and install to the end of the butt connector and on the other end of that butt connector will connect to our brown wire from our new socket. Now, we need to do this because our brown wire will continue on over to the other side. Now, the black wire is going to be our turn signal circuit. Since it sits on our driver's side, we'll connect that to the yellow wire and we'll use the butt connector and we can direct connection. Now, we'll snip off the rest of our yellow wire since we won't need it on the other side. We'll take the remaining wires and run them over to the passenger's side. To do this, we'll remove the threshold and run the wires underneath it. To remove the threshold, we'll take out these three pushpin fasteners and pry the threshold up. We'll go ahead and remove the tail light and install the socket on that side as well, repeating the same thing we did on the driver's side. Once it's reinstalled, we'll go ahead and connect our wires. At the passenger's side, we'll take the excess white wire. Strip back the ends and add a butt connector to one end. We'll then connect it to the white wire on the LED light. On the other end of the excess wire, we'll strip back and add a ring terminal which will be connected to the factory ground point. Our ground will go to the brown wire and our green wire will go to the black wire. We'll now reassemble the interior. With all our connections made, we'll go ahead and try it out. Now, our brown wire will be our running light circuit so we'll check that, and then our yellow wire will be our left turn signal. We'll go ahead and check that. Green wire will be our right turn signal and we'll check that. With that, that will finish it for our install of part number BX88267 from Blue Ox, on our 2004 Mini Cooper.


Customer Reviews

RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit - RM-164-7

Average Customer Rating:  4.8 out of 5 stars   (36 Customer Reviews)

Easily and effectively connect your motor home to your towed vehicle with this water-, oil- and chemical-resistant electrical cord. Flexo-Coil technology allows cord to extend more than 8' and then contract conveniently for storage.

- RM-164-7
by:

Received all of my items on this order in a very timely manner. Thanks for the help. 655983



- RM-164-7
by:

This is a direct replacement part, so I'm well familiar with Roadmaster equipment. I haven't tried it yet and I don't expect any problems. The part was easy to order online and delivered when promised. 604608



- RM-164-7
by:

Very knowledgeable people to work with. Great products at the best prices. Every order I've placed has always been correct with no issues. You guy's ROCK. LARRY 604443



- RM-164-7
by:

This product meet my expectations on price and quality. Thanks to customer service for helping me find it 512966



- RM-164-7
by:

Product arrived early then expected and was exactly what I ordered. 501519



- RM-164-7
by:

All good with the wiring harness. Exactly what I needed. 474539



- RM-164-7
by:

I've only used this item for a week so I cant say if it maintains its coil. The only thing I'm not happy about is the 4 prong male / female end. It doesn't lock in good enough in my opinion. I feel with a slight tug or bouncing movement it will dislodge itself and drag on the ground. So what I do is wrap a velcro strap around it to make sure that does not happen. Should one have to do this? You decide. I did like the attach method of the wires inside the female connector. Easy and solid 452082



- RM-164-7
by:

After having my boat trailer powder-coated blue, this was a good match for the trailer. And I like being able to disconnect the entire harness. 451711


Comments

We sold the boat and trailer in August ‘18. The guy who bought it was impressed that I had completely rebuilt the trailer and that it had led lights and color matched cables instead of chains.

Michael - 11/13/2018

45688

- RM-164-7
by:

I needed to order a replacement connector and a Blue Ox tow bar. The website was extremely helpful, but I had some questions and called. Kevin helped be out on the order, getting me just what I needed. I had the items before the weekend, extremely impressive! The tow bar and electric connector are excellent products and a great way to tow my jeep behind our Nexus RV. 374037



- RM-164-7
by:

I am customizing my Jeep Wrangler to tow behind my motorhome. This coiled electrical plug was exactly what I ordered and needed. Excellent customer service always! I'm grateful to have etrailer to help me when I need it. I will always go to etrailer first! 321775



- RM-164-7
by:

Wow, what great service, I needed it fast and they got it to me on time. I am so grateful and the product is exactly as described. 302291



- RM-164-7
by:

Great website. I used e trailer once before with great results. I purchased a new RV and needed to replace a 4-WIRE to 4-WIRE cable with a 7-WIRE to 4-WIRE. GOOGLE sent me to e trailer. Their price was $25 less than three places that I visited in person, even with their shipping. 267598



- RM-164-7
by:

I ordered this item to replace a similar harness that had been stolen out of my truck, but was very disappointed to discover that the 7-pin plug would not engage properly with the OEM receptacle on my Dodge truck with factory hitch and tow package! The spring loaded cover on the receptacle would not engage the retaining tang on the plug, and when I finally forced the plug in far enough for it to engage, the left rear turn signal and brake light on the trailer did not work. The plug on the previous harness fit perfectly, so the location of some of the 7 female slots on the Roadmaster plug was evidently not correct. I paid a premium to return it ASAP via UPS expedited shipment over the Memorial Day weekend; I eventually received a warranty replacement 17 days later. At least the 7 pin plug on replacement harness does fit correctly. I will admit that the metal 4 pin plug and receptacle on the trailer end of the Roadmaster harness are much better quality than the cheap plastic parts on the original harness. I would recommend that anyone buying one of these Roadmaster cables first check the fit of the 7 pin plug with your hitch receptacle before bothering to hook up the 4 pin receptacle for the trailer, in case you have to return it! 261794



- RM-164-7
by:

Installed very good to my Tiffin 34TGA RV. 254450



- RM-164-7
by:

Hooks up fast and has weathered well the first year. 246427



- RM-164-7
by:

Delivered on time. Works well. Best p rice. 226668



- RM-164-7
by:

I recently purchased a Blue Ox tow bar, towed vehicle brake system and three wiring harnesses for towing my Jeep Liberty with our motorhome. etrailer.com was my first choice for the purchase for these items worth almost two thousand dollars. Even though these prices were set by the manufacturer, I knew I could trust these folks. Their salesmen, (in this case Wayne H.), are more than just order-takers. They know what they are selling and are a good source of information on a variety of related products. When Wayne wasn't available for follow-up discussions, the operator took my cell number. Surprisingly, Wayne got back with me right away and supplied me with his direct line in case I had any questions. I've had experience with others dealers who don't get back for hours if at all. Bottom line: etrailer.com will continue to be my first choice for RV and other related items. 178129



- RM-164-7
by:

The product was delivered PROMPTLY. Thanks for great service. 173626



- RM-164-7
by:

Was looking for a 7 pin to 4 pin Flexo Coil Kit. Found it on line at etrailer at ma reduced price I was willing to pay. When I checked with my local RV dealer, He said I needed to buy from e trailer. Their price was below his cost.. 168906



- RM-164-7
by:

Hopefully its excellant, I havent tryed it yet, but im sure its fine! I will shop here for more of my rv parts. the prices are very reasonable compared to CW! 165844



- RM-164-7
by:

Proper product, received in good condition when I was expecting it. etrailer.com performed as they indicated they would. I'll certainly return to shop when necessary. 140413



- RM-164-7
by:

This part solved my problem and after simply plugging the cable in, all lights worked perfectly. Thanks for the prompt shipping and delivery, it arrived in time for our holiday travels. 109572



- RM-164-7
by:

Just what I ordered; fast response. Enjoyed doing business with you! v/r, 105416



- RM-164-7
by:

Great product but even GREATER SERVICE from eTrailer!! Thanks for the quick shipping & telephone assistance ! 93577



- RM-164-7
by:

Thanks 93223



- RM-164-7
by:

Product looks to be of good quality although I have not installed it as of this writing. Shipping was very fast and materials packaged securely. 75452



- RM-164-7
by:

Works Great. A price need to be a lot l ess! 69654



- RM-164-7
by:

Product as expected 60678



- RM-164-7
by:

This wire kit is easy to install and makes quick work of unhooking my toad. 32321



- RM-164-7
by:

Arrived on time, perfect condition too. The whole kit was perfect for my application. 28204



- RM-164-7
by:

This is exactly what I needed. I am very happy. The order got here quick too. 14833



- RM-164-7
by:

Easy install. Great product. 12668



- RM-164-7
by:

Seems to be will made and extremely quick service on shipping out the product. 12327



- RM-164-7
by:

Very nice 7 to 4. 11556



- RM-164-7
by:

Great Products and great service 8180



- RM-164-7
by:

Exactly what I wanted. Etrailer is excellent seller. 7878


36
36

Ask the Experts about this Roadmaster Accessories and Parts

Do you have a question about this Accessories and Part?


  • How to Change Out 4-Way at Rear of Motorhome to Work with 7-Way on Trailer
  • Thank you for the pictures! What you may be able to do is install the Hopkins # HM47210 on your motorhome to replace your current 4-Way round connector. I'm guessing the 2 wires for your brake controller system are for 12V power and for the brake controller signal. If this is the case then you will need to connect the following functions on your motorhome wiring with the following wires from the Hopkins connector: White - Ground Yellow - Left Stop/Turn Green - Right Stop/Turn Brown...
    view full answer...

  • Flat Towing Wiring Harness Options for 2012 Fiat 500
  • There are two ways you could wire your Fiat 500 for flat towing. In scenario # 1, you could use a 4 diode kit like # RM-15247 which would use your tail lights as stop/turn/brake lamps. Your lights would work normally when actually driving the Fiat, but when you're flat towing, you'd only use the red bulb on the back of the Fiat for all the taillight functions. Scenario # 2, if you wanted the taillights on the Fiat to operate 'normally', that is to have the turn signals use the amber...
    view full answer...

  • What Equipment is Needed to Flat Tow 2004 Jeep Grand Cherokee
  • To flat tow your 2004 Jeep Grand Cherokee, you will need a base plate kit, a tow bar, safety cables, towed vehicle wiring, and a supplemental braking system. It is also likely that you will need a wiring extension to connect the RV's wiring with the Grand Cherokee's and a high-low adapter that will allow you to have the tow bar level while towing your vehicle. Since you are looking at the previous generation of the Roadmaster Falcon Tow Bar # RM-520, it will be easiest to connect the...
    view full answer...

  • Do the Turn/Brake Signals on the Wiring Kit # BX88267 Need to be Separated for a 2004 Mini Cooper
  • I am a little bit confused as to what you are wanting to do. The Blue Ox Tail Light Wiring Kit # BX88267 that you mentioned uses its own bulb that works both as the brake and turning signals. It completely bypasses the wiring on your 2004 Mini Cooper and directly connects to the motorhome for signal source. If you check out the linked installation video you can see our team install this kit as well as the Flexo-Coil Kit # RM-164-7 for flat towed wiring.
    view full answer...

  • Parts Needed to Flat Towing 2014 Honda CR-V
  • You are correct with the parts you listed. I double checked for you, the Blue Ox Base Plates # BX2258, Blue Ox Alpha Tow Bar # BX7365, Hopkins Tow Bar Wiring # HM56304, Roadmaster InvisiBrake Supplemental Braking System # RM-8700 , Roadmaster Brake-Lite Relay # RM-88400, Roadmaster FuseMaster Fuse Bypass # RM76511, and Roadmaster 7-way to 4-way Extention # RM-164-7 will all fit and will be needed to flat tow your 2014 Honda CR-V. The Blue Ox Base Plate and Receiver Lock Kit # BX88177 is...
    view full answer...

  • Flat Towing Setup Recommendation for a 2014 Honda CR-V
  • We have everything you would need to flat tow your 2014 Honda CR-V. First lets start with a base plate kit as that is the attachment point on the vehicle. For that you would want the Blue Ox Base Plate kit part # BX2258. I attached an install video for you to check out as well. The Blue Ox Alpha # BX7365 is the most popular tow bar we offer that has been confirmed to work with the base plate kit so it should work very well. It also comes with safety cables. For trailer wiring you...
    view full answer...

  • Wiring Extension for Flat Towing a Vehicle Behind Monaco RV with 7-Way Trailer Connector
  • In order to determine the proper set up for your new towed vehicle (called a toad; the vehicle you will be flat towing behind the motor home) I would need to know the year, make, and model of that vehicle. Most of the tow bar wiring uses a 4-Way flat trailer connector with a few exceptions. Since your RV has a 7-Way trailer connector ideally you would use a cable that has a 7-Way on one end to plug into the RV and a matching connector on the other end for the tow bar wiring/lighting...
    view full answer...

  • What Would I Need to Flat Tow my 2005 Chevy Aveo
  • I did some checking and it looks like manual transmission 2005 Chevy Aveos can be flat towed without issue, but the automatic transmission Aveos can not be flat towed. You would have to check your owners manual to see if a tow dolly like a RoadMaster Tow Dolly with Electric Brakes, part # RM-2000-1 could be used. I attached installation instructions below for you to check out also. If you had a manual transmission you could use a RoadMaster Tracker Tow Bar - 5,000 lbs, part # RM-020,...
    view full answer...

  • How to Determine if Used Roadmaster Falcon 2 Tow Bar is Complete
  • The # RM-521445-5 base plates install to the front frame structure of the vehicle. The crossbar you speak of that came with your # RM-520 falcon tow bar consists of a crossbar for stability and a quick disconnect that allows the tow bar to be quickly disconnected from the vehicle just by pulling two linchpins. To be sure you have all the necessary parts, take a quick look at the instructions for the Falcon 2 Tow Bar that I've linked for you. Looking over the instructions will easily...
    view full answer...

  • Do Connectors Come Already Wired to Harness on RoadMaster 7- to 4-Wire Flexo-Coil Kit # RM-164-7
  • Yes, the RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit # RM-164-7 does come with the connectors already attached to the wiring harness. No need to have to wire into the connectors yourself. I have included a link to a video review for you.
    view full answer...

  • Additional Wiring Parts Needed to Flat Tow a 2012 Jeep Liberty Behind a RV
  • Once you install the Roadmaster Bulb and Socket Wiring Kit, # RM-155, on your 2012 Jeep Liberty, you will want to determine what type of trailer connector socket is on your RV. If your RV has a 4-way flat connector, then you can install a 4-way trailer end connector like part # 18004. If your RV has a 7-way connector, then you could install a 7-way to 4-way wiring kit like part # RM-164-7. This allows you to install a 4-way socket on your Jeep and includes a Flexo-Coil cord to connect...
    view full answer...

  • How Long is the RoadMaster 7-Wire to 4-Wire Straight Cord Kit # RM-98164-7
  • I spoke to my contact at Roadmaster who told me that the 7-Wire to 4-Wire straight cord kit, # RM-98164-7, is 6-1/2 feet or 78 inches long. If you need even more length I recommend the Flexo-Coil kit, # RM-164-7 which is 8 feet or 96 inches long when stretched out.
    view full answer...

  • Is 10 Ft Flex Coil 7-Way Round To 4-Way Flat Adapter Cord Available
  • The closest to a 10 ft coiled 4-way to 7-way round adapter cord we carry is the 8 ft long RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit, part # RM-164-7. This water, oil, and chemical-resistant cord can extend to more than 8 ft and then conveniently contract for easy storage. We do not offer any 4-way to 7-way adapter coiled cords that are 10 ft long or longer. Please note that Flexo-Coil cords are not intended for use with RoadMaster All Terrain tow bars, or any other tow bar that...
    view full answer...

  • Parts Needed to Flat Tow 2014 Honda CR-V
  • Sounds like you are referring to flat tow products for a 2014 Honda CR-V which first starts with a base plate kit. For that you would want the Blue Ox Base Plate kit part # BX2258. I attached an install video for you to check out as well. The Blue Ox Alpha # BX7365 is the most popular tow bar we offer that has been confirmed to work with the base plate kit so it should work very well. It also comes with safety cables. For trailer wiring you would want the Hopkins Kit part # HM56304...
    view full answer...

  • Converting 7-Way on Motorhome to Roadmaster Diode Kit 4-Pole on Flat Towed 2012 Ford F150
  • To convert the 7-way on your motorhome to work with the 4-pole plug of the Roadmaster Diode Kit you referenced, you have a couple of options. You could use an adapter like # PK12716 that would plug into the 7-way on your motorhome. You could then plug the umbilical from the towed vehicle into the adapter. This would be a good option if you were not planning on towing frequently. Another option would be to remove the 4-pole flat connector on the truck, and replace it with a 4-pin...
    view full answer...

  • Wiring Extension for Use with a Roadmaster Sterling Tow Bar
  • For your Sterling tow bar I recommend Roadmaster extension # RM-98164-7. It is a straight cable with the 4-Way unattached so you can route the wire through the guides on the Sterling tow bar. With an extension like # RM-164-7 you would need to wrap it around the tow bar arm instead of using the guide channels on the Sterling tow bar.
    view full answer...

  • Adapting Roadmaster Blackhawk Tow Bar to Blue Ox Base Plates for Flat Towing 2016 Jeep Cherokee
  • I'm not certain which adapter you used, but the # RM-031 adapter would install at the end of the tow bar arms and allow you to attach to the Blue Ox base plate on your Jeep Cherokee. To complete your towing system, you'll need safety cables like # RM-643, a wiring harness like part # RM-154, a wiring umbilical like part # RM-164-7 and a supplemental braking system like the Delta Force part # SM99242. The Delta Force is a portable unit that will take only moments to install and remove. When...
    view full answer...

  • Roadmaster InvisiBrake # RM-8700 Used w/ TrailerMate Wiring # TM781124 on 2015 Wrangler Unlimited
  • Yes, the Roadmaster InvisiBrake Supplemental Braking System, # RM-8700, on 2015 Jeep Wrangler Unlimited. You will need the Hopkins Tail Light Wiring Kit, # HM56200. This harness would not require the use of diodes when using the InvisiBrake system. As for a coiled 7-way, I recommend going with the RoadMaster 7-Wire to 4-Wire Flexo-Coil Kit, # RM-164-7. For this you would just cut off the 4-way flat connector to be able to wire the new 4-way round connector and you are ready to go.
    view full answer...

  • Wiring my 1997 Jeep Wrangler lights to work off my motorhome wiring
  • Your Jeep does not have turn signal lights separate from the brake lights so you will not need the RM-732, Roadmaster Brite-Lite Wiring Converter. Your RV already has the 4 and 7 pole connectors wired so the RV already has a converter if it was needed to install the trailer wiring so your wiring to the Jeep should be very straight forward. I have posted a link to our wiring page and to our tow-bar electrical page for you. You may want to consider a Roadmaster 7-Wire to 4-Wire Flexo-Coil...
    view full answer...


Do you have a question about this Accessories and Part?




  • Why etrailer.com?

    At etrailer.com we guarantee:

  • Highest quality accessories and parts for the best price.

    Our Lowest Price Pledge ensures you will never overpay for the parts you need.
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate accessories and part information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

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

Info for this part was:

Video Edited:
Zack K
Expert Research:
Michael H
Installed by:
Cole B

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 800-298-8924