Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.
Item # RM-154
Orders above $99 qualify for free shipping
Shipping Weight: 4 lbs
Diode Kit allows you to use your Ford Fusion's tail lights and wiring system while preventing feedback from your RV. 4-Pole flat loop included to connect RV to towed car.
Note: For applications that have separate lighting, this kit will cause your brake lights to function as both brake and turn lights. Wiring converter kit (154-792-118158) can be purchased instead if you want to retain separate turn and brake signals.
Video of Roadmaster Universal Hy-Power Diode Wiring Kit
Videos are provided As a guide only. Refer To manufacturer
installation instructions And specs For complete information.
Today we're going to be taking a look at part number RM-154. This is the Roadmaster Universal Hy-Power Diode Wiring Kit. This kit is going to connect your RV's tail brake and turn signal lights to your towed car's lighting system. It is designed to work with 2-Wire and 3-Wire lighting systems. 2-Wire systems also know as combined systems are going to have the stop and turn signals sent along the same wire. 3-Wire systems also know as separate systems are going to have the stop and turn signals sent along different wires. This unit is going to prevent electrical feedback and the damage it can cause to your vehicles electrical components.
With this video we just want to accomplish what the kit includes. So to do that we're going to start here with the (4) Hy-Power Diodes. It's going to be these units right here, these are included. You can see here they're going to have the spade connectors already attached to them, so don't spend too long looking for the connectors. They're going to be attached to the Hy-Power Diodes.
Everything is going to be color coded and the installation instructions are going to walk you through the installation process step by step, so you definitely want to go off the instructions they're very well done. They're very well thought out and detailed. One of the things I really like about the instructions is they have pictures. That always helps me with the installation and they have the wiring diagram right there on the back page. So your going to get the (4) Hy-Power Diodes. You're going to get the necessary connectors for you're installation.
Youre going to get your molded wire electrical cords. These are going to be your four wire systems. You're going to get a six foot cord this is going to be your power wire and your going to get your thirty foot cord. We're going to have the four way flat wire connectors for both the vehicle and RV. Now all connector ends are going to have the nice dust cap on there. That way it's going to protect the connection points simply just held on the head of each connector with a little tether strap and then when you're ready to cover up the connection points you just bring that dust cap over top of the terminals there on the end of the connector.
Now if your RV has a 3-Wire system and is not already wired for a trailer connector. A converter is required you can find that, the part number RM-732 that item is sold separately. In this little bag right here you're going to get some zip ties that's going to be to secure any excess wires. It's also going to help and keep your wires up and out the way, keep them safe for your installation. You're going to get a ring terminal and that's designed to be used for your ground connection that will need to be made in the process of your installation. When it comes to the maximum amperage for this unit we're looking at eighty-five amps and the max voltage we're looking at twenty-four volts. The installation is fairly simple again, you want to go over the installation instructions. We also have quite a few videos on our website. Installation videos that are vehicle specific. So you might want to check that out to see if your particular vehicle is on there and that will walk you through the process as well. But to sum it up one end of the thirty foot cord is going to need to be mounted at the front of the tow vehicle towards the center. This will be the end, that's going to connect to the four way connector coming from the RV. The other end of the thirty foot cord is going to run to the back of the vehicle and that's going to get connected into the vehicles wiring system near the tail lights. Again, all the necessary connectors are included as well as your (4) Hy-Power Diodes. The head of the connector will need to be cut off and then you just take the appropriate color wires to the appropriate functions and the instructions are going to do a good job at highlighting the importance of that and helping you find those out. Once you have everything connected you can see here we have a smaller bundle of cord, this is going to be our six foot power cord. This is going to connect the RV to the plug at the front of our towed vehicle. So that's included and then you're going to get three feet of wire loom. Sometimes when you run the wires under the vehicle it is thirty feet long so it's going to run under the vehicle on the frame. There's going to be some sharp components or maybe a sharp edge that you have to go over or a sharp hole that you have to go through. We recommend using some of this wire loom to go over the four way wires and just to protect it from those sharp points or those dangerous areas as you run under the vehicle. And then again, you're going to get your zip ties to secure your wires up and out the way. That's going to do it for our review of part number RM-154 this is the Roadmaster Universal Hy-Power Diode Wiring Kit.
Average Customer Rating: 4.7 out of 5 stars (110 Customer Reviews)Diode Kit allows you to use your vehicle's tail lights and wiring system while preventing feedback from your RV. 4-Pole flat loop included to connect RV to towed car.
by: Bill Dudley06/23/2015
As always great customer service and delivery. I would highly recommend e trailer for all towing needs, and other products they sell. 206606
by: Dave K05/13/2015
I used this for a Jeep Wrangler, probably one of the easier applications. etrailer cautions us to ensure the ground is proper, and I can confirm this. While I found the proper wires using voltage, the gound I used had too much resistance to allow for proper functioning. It took several hours to track it down. But no doubt, when the electical system gives what appears to be impossible data, it is always the ground. I hooked to the proper ground and it works like a charm. I do recommend using heat shrink tubing on the spade connectors. Also I mounted the four flat connector to the bumper. Curt brackets do not fit the connectors in this package without serious modifications. 192669
by: wiring kit08/31/2015
I have not installed it yet but think it will be ok for what I am l needing. 223019
by: dave t12/12/2014
I haven't installed this yet. But I know etrailer video will be of great help. 165408
by: road ranger09/11/2014
kit arrived on time from etrailer.com. high quality product at a fair price. easy to install on my 2014 f-150. good instructions and diagrams for wiring 150667
by: JOANNE B09/20/2014
Received wiring within 3 days, included instructions and resource phone #s for help if needed. We will use them again when needed. 152248
by: Dave V08/09/2016
I installed the wiring harness yesterday and it took about 4 hours. Thats actually 4 hours of work, in reality it was more like 6 hours but most of the time was trying to figure out how to route the wiring which is not the fault of the harness. Everything worked as advertised with no gotchya's or any issues which was really surprising. I installed it on a 2009 Smart fortwo Passion which I am towing behind my motorhome. My advice for anyone using this is take your time, read the directions carefully before you start and follow them step by step and you should have no issues. 281855
Installation was relatively straightforward, and the necessary parts were included in the kit. The installation is not technically difficult, but gaining access to some the wiring was somewhat irritating because of the assembly techniques used in modern vehicles. Be prepared for somewhat tedious digging around to get to the wires, and pull enough slack to work with them. Once again, a few extra plastic automotive fasteners and automotive cable fasteners came in handy. They're available at a decent hardware store or Home Depot-like store. 63823
by: Jerry R.04/27/2015
Great Kit 188494
by: Ed T.02/06/2017
Great experience, quick shipping, excellent video and instructional references to go along with the products. I did the installation of the product myself and without the text and instructional video's there is no way I would have been 100% successful. These are the extra value add things that make the difference when shopping with etrailer, I will be a return customer. I am using this product with my 2016 Jeep Wrangler towed by a 2014 Fleetwood Bounder motorhome. 339287
by: Julie W01/08/2017
This wiring kit worked marvelously. I'm pretty handy but electrical things can still be a bit scary for me. I got a little help from the good etrailer people, watched a bunch of videos and finally looked at the wiring diagram sent with the kit. Wiring diagrams are not always as straight forward as I would like but this kit has a very good one. I have bought a handful of products from etrailer and consider them to be a cut above. Julie 330979
by: Ken B01/23/2017
Although I am commenting on this product, I actually would like to comment on the following products. I purchased a brake system, tow bar, base plates and wire harness from etrailer. All of my orders were filled in a timely manner. When I reached out for technical assistance, the advisors were readily accessible. All of the products were installed by me. All of the products were very easy to install by using the video and instructions. 337853
by: Don Featherstone08/23/2011
I received the product and it was exactly what I had ordered, it was easy enough to install by myself. However, the only thing I would caution future buyers on is knowing both your "towed vehicle" and your "tow" vehicle's lighting system. I was a little thrown off by the instructions and how it referred to "combined" and "seperate" light systems. I'm sure if your going to wire your vehicles yourself you'll figure it out as I did. 22587
by: Kerry B07/11/2016
This is the 3rd time I've used this wiring harness, I like to trade cars. The first was on a 2008 Pontiac G6 convertible, the 2nd, a 2010 Cadillac SRX, and now, a 2015 Jeep Grand Cherokee Outlander. All 3 were easy to wire and the instructions were VERY helpful! Roadmaster has there stuff together when it comes to RV towing products. And etrailer.com provides great pricing and GREAT support after the sale. 270519
by: Skip A.02/03/2017
You need to be handy and understand how to make your electrical connections secure. Follow the instructions (view the online video, helps) and all will be fine. This installation makes the towing process much easier than hanging lights on the towed vehicle. Install it..........plug it in to the towed vehicle, and the motorhome and you are done with the lights. Good way to go. 338467
by: Don T.07/14/2015
Hard to give a review...Just received the product today, but must say the service, packaging, and price were all great. Installing the RM 154 should not be a problem for me and the great thing is I ordered two kits, one for myself, that I'll install first and so the second one for a friend should be a cake walk install. Both installs will be on GMC Canyon PUs. 211769
by: Bob C10/18/2016
Universal wiring harness for 2011 Ford taurus arrive super fast and well packaged. I would have liked a kit with 'plug and play' wiring for the Taurus but was not available. I installed one on a 06 HHR and was very impressed. Not so sure about cutting and splicing wiring harnessed an a 2911 Taurus.....find out tomorrow when the job is tackled....Bob 308420
by: Jonathon G.06/05/2016
Installed this product in a 2015 Jeep Wrangler Unlimited. Installation was a breeze and the instructions were clear and simple to follow. For testing, I pulled the jeep behind our Suburban while my wife verified everything was working as designed. One year and several thousand miles later, everything is still working fine. 257388
by: Chip H.04/26/2015
Received the order in 4days. Took about 4hours to install on my 2012 Toyota Prius. Most of the time was routing the wording from the front of the vehicle (a function of the vehicle not the wiring. Had to install some jumpers as there was not enough slack in the vehicle wires ti put the diodes in. Excellent product. 188344
by: George M06/10/2016
Universal wiring kit was very easy to install did date me no time at all to install it and it works great and I'm very pleased with it I appreciate your guyses products and I am very happy and work like they're supposed to all of your product that I have installed on my vehicle 05 Dodge Durango thank you 259712
by: Tim H12/20/2016
Everything I needed was included. Had the help of an experienced friend, took a little over 2 hours. 326728
Takes time to install wiring from the front of the dinghy vehicle. Easy to install diodes if you follow the Etrailer video and follow the instructions. Probably took me a couple of hours to install due to laying under the truck to route the wiring from the front to the connection to the coach. 276887
The Universal Hy-Power Diode Wiring Kit contains all that is necessary for installation. It was installed in less than a day and works fine. etrailer is a good company to work with, always ships promptly, and is good at keeping the customer informed of status. 131808
by: John aldridge10/30/2014
I recently ordered a diode wiring kit for my tow behind GMC Sierra Z71. I used economy shipping and it still arrived in 3 days. The best thing about etrailer site was the installation video. I watched it several times and the installation went like clockwork. Thanks etrailer. 158513
by: Melvyn D01/09/2012
Product was exactly as ordered. Ordered this item for installation on an '09 HHR to be towed behind our Motor Home. It will eliminate alot of potential lighting problems and appears to be simple to install. Shipping was VERY prompt and I will use "etrailer" again, I'm sure. 29364
by: Stephen C.03/02/2016
We put this product on our 2015 jeep Cherokee to enable us to tow it behind our Monaco dynasty motorhome! First of all it was easy to install and has not given us one lick of trouble ! I would recommend this company and its products to any and all of my friends ,! 239116
First, I'm impressed by the way Etrailer does business (service, quality, quick shipping, communications etc). As for the kit, it has everything needed to setup your car so it can be towed. In fact, it had more than what was needed for my 1998 RAV4. 82345
Running wire to back of vehicle a bit of a challenge and wires on vehicle had to be lengthened after cutting to facilitate installation without removing all of inside of vehicle paneling. Works as designed after installation. 5 plus hours. 144719
by: Walt C.06/24/2014
watching the viedo makes instaliton a snap Great product, the Hy-power diode make worth the exter $ The T-one harness is real easy to install The mounting brackets for the 4 pole flat makes for a clean looking install 137341
by: Glen N.01/02/2017
Pretty nice package with just the right amount of wiring and pieces. Simple and straight forward installation on my 2011 Jeep Grand Cherokee Limited 4wd. It will be flat towed behind our 2017 Thor Citation 24SS. Thanks! 329393
by: Jim P.05/14/2012
Installed ok except, the wiring connectors are junk. I went out and purchased 20 quality crimp-on connectors to do the job. Funny thing is that a good connection is essential to having success installing this product. 40395
by: RON S06/12/2014
The wiring kit did exactly as advertised. soooo much easier than buying wire and diodes and doing it yourself. The fact that the 4 wires are molded together make it much easier. The wiring diagrams were excellent. 135404
by: TONY BUTLER07/08/2015
GREAT PRODUCT !! ETRAILER MADE IT EASY ,EVERYTHING IS THERE TO DO A PROFESSIONAL INSTALL, A VERY KNOWLEDGBLE CUSTOMER SERVICE WILL ANSWER ALL CONCERNS YOU MAY HAVE , HIGHLY RECOMMEND . BUY WITH CONFIDENCE. 210222
by: Larry M08/14/2013
If your towing a car or truck behind your motorhome, or coach. This is what the doctor ordered. Is a excellent product made very well and quick and simple. Hook up your tow bar and plug in the light cord. 95018
by: Dave D.07/26/2011
Excellent product with easy to follow instructions As always - etrailer has great products, fair prices, and the best customer service of any online retailer. Keep up the great service!! Dave 20295
by: William M.09/24/2015
Received a Roadmaster Universal HY-Power Diode Wiring Kit-RM-154. It arrived as described and I installed it without any problems. I would recommend this product and this company. 227406
by: Jack C11/04/2016
It was amazing experience dealing with sales, very helpful, amazing delivery service and best of all was the product was so easy to install. Thank you very much Etrailer Jack 313546
by: Ray J03/28/2016
Product worked as advertised. Had Camping World installed. Would be excellent except plug in end needs to be upgraded to a 6 pin socket type for a fully professional look. 242140
by: Stu K06/01/2016
e trailer is a very good supplier of RV products. Shipping is on time if not early. I am very happy with what I have ordered. The wiring harness for my toed worked out great. 255439
by: Mary H.05/26/2015
This website is great! We found the exact part we needed for our motorized RV step, got it when promised and it worked perfectly! Can't ask for anything more than that! 198057
A great wiring kit that works well for protecting both vehicles. Requires more thought than the plug and play kits but atleast you know exactly what you are getting. 72412
by: Joe M.04/08/2012
Very happy with the wiring kit. I had a local truck accessories dealer install it and they liked it much better than the brand they had been using and plan to switch. 36550
by: Chris Johnson09/03/2016
Tommy C was a great help when I ordered the wrong item. Easy return and quick shipping for the correct wiring harness. Fair price and super customer service. Thanls 290822
by: Karla Sumner06/12/2014
Finally got to use the electrical hook-up for our car from our RV. It works great. We had a friend with automobile knowledge install it on our 2012 Equinox. Thanks 135378
by: William White12/05/2011
your shipping was extremely fast.... very dependable.... everything I ordered was correct shipping...keep up the good work... I would purchase from you again. 27770
by: Gene H09/03/2016
Very good quality and it didn't take long to receive the base plate kit. Had it installed on our new 2016 Chev., so we can tow it behind our motor home. 290910
INSTTALED IT YESTERDAY AND IT WENT VERY WELL ON A 2012 ESCAPE VERY EASY TO FELLOW INSTRUCTION. I AM VERY SATISFIED. WAITING TO GET MY BASE PLATES NOW. 29841
Product just as it shows. Directions where easy to understand. worked right the first time. I like it. no cutting light fixtures and adding bulbs. 133218
by: Larry S06/18/2015
All i can say is etrailer is the best company we have ever ordered from. Fastest shipping, cheapest prices, best products and friendly personnel. 204470
by: Todd S.08/14/2016
Once again, your website made it clear what was needed for my particular wiring situation. Ordering was easy and shipping was fast. Thank you. 283748
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