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Roadmaster Hy-Power Diodes (Qty 2)

Roadmaster Hy-Power Diodes (Qty 2)

Item # RM-792

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RM-792 - Diodes Roadmaster Tow Bar Wiring
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Call 800-298-8924 to order Roadmaster accessories and parts part number RM-792 or order online at etrailer.com. Free expert support on all Roadmaster products. Guaranteed Lowest Price and Fastest Shipping for Roadmaster Hy-Power Diodes (Qty 2). Accessories and Parts reviews from real customers.
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Roadmaster Accessories and Parts - RM-792

  • Tow Bar Wiring
  • Diodes
  • Roadmaster


Roadmaster Hy-Power Diodes

Diodes permit electrical current to flow in only one direction - from the motorhome to the car - preventing electrical feedback and the damage it can cause to the towed car's electrical components.

Features:

  • Qty: (2) Diodes
  • Reduces wiring hassles
  • Trouble free operation
  • Includes detailed wiring instructions
  • Maximum load is 85 amps per diode

Note: 4 Diodes are required for most applications (1 left turn/brake, 1 right turn/brake, 2 for tail lights - each side).


792 Roadmaster Hy-Power Diodes








Video of Roadmaster Hy-Power Diodes (Qty 2)


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




Video Transcript for Roadmaster Tow Bar Wiring RM-792 Review

Speaker 1: Today we're taking a look at the ROADMASTER Hy-Power diode. Now, this will allow motor homes or RVs to power the lights on the tow vehicle without power feedback. The diodes allow electrical current to flow in one direction. So, that'd be from the motor home to the vehicle or to the car. This prevents any electrical feedback and the damage it may cause to the electrical components.This is available in a variety of quantities, so you can get a one pack, a two pack, three pack, or four pack. All options are available at etrailer.com.

For a one pack, use part number RM-790, for a two pack, use part number RM-792, for a three pack, use part number RM-793 and for a four pack, part number RM-794.The spade connectors allow for easy, trouble free, wiring connections. Also, on the back of the packaging, it has detailed wiring instructions, so that's really going to be helpful. So, when you get these, please do not discard the packaging because it has the nice wiring instructions on the back side.The aluminum heat sync helps prevent over heating. The self stick pad on the back allows for easy and secure mounting. Maximum load is 85 amps per diode and please note that four diodes are required for most applications, one for the left turn and break, one for the right turn and break and then two for the tail lights, one per side.That's going to do it for today's look at the ROADMASTER Hy-Power diode..


Customer Reviews

Roadmaster Hy-Power Diodes (Qty 2) - RM-792

Average Customer Rating:  4.9 out of 5 stars   (111 Customer Reviews)


- RM-792
by:

I purchase these to set up my toad (CR-V) with the Road master 7 to 6 wiring kit along with the 2 back into 3 wire module to allow for me the use the turn signal lights (Yellow) operate separately from the brake lights so that the toad lights all work as they were set up by the manufacturer. This way also allows you to avoid having to buy the brake light relay if your vehicle brake lights are energized by the mechanical function of your braking system. Your overall cost is relative and as stated all of your lights work instead of the typical stop/tail/turn signal bulb on each side. 655651



- RM-792
by:

I just installed them and they work as they should. I was isolating lighting on an equipment trailer for a brake and turn circuit. Now it does not backfeed. 517440



- RM-792
by:

Good product with excellent service! I can now use my reverse lights as work lights without back feeding my truck. Works great to correct those who have a have a habit of driving behind you with high beams on.... 232182



- RM-792
by:

Came a day early! Easy to install. Works like a charm. 720114



- RM-792
by:

Can use these for allot more than just a towed vehicle. I used them for my loading lights on my trailer to help with backing the trailer at night. Just pulled reverse power wire from 7 pin to original cargo light wiring. Works great. 658792



- RM-792
by:

I am very happy with the product, I installed them and now my lights work great. I was very please with my customer service rep. she knew her product line and worked with me to fix my problem. Thanks 608849



- RM-792
by:

I haven't actually used them yet but they look good. 602183



- RM-792
by:

I haven't installed the product yet, but it was exactly what I needed. Diodes of this type are not the easiest thing to find. Etrailer had them, and not only is their website laid out well, but the service and shipping were very fast. 584734



- RM-792
by:

Great stuff , the guys and gals at etrailer are super awesome, thanks 523322



- RM-792
by:

1950 Spartan Royal Mansion. Thank you for your ongoing help and wide array of products!!! 501458



- RM-792
by:

Bought these diodes formy license plate lights on my toad. The wiring kits only come with 4 diodes which would not allow the license plate lights to be light when towing. 466537



- RM-792
by:

Diodes worked great 443901



- RM-792
by:

as described and fast shipping Thanks for the good service etrailer 431991



- RM-792
by:

Not too big so fitted in tight space well. Found crimps supplied on the loose side. Used other type which were more secure. Replacing the diodes l fitted earlier l found the problem l was looking for. Cable soldered joint. So now l,m all set for a while. This diode set looks very robust. 396322



- RM-792
by:

Great results 391123



- RM-792
by:

The diodes are still in and working great, easy to install 356579


Comments

great

Tommy - 03/22/2018

36285

- RM-792
by:

Very heavy duty and convenient to use. 341528



- RM-792
by:

Product worked exactly as expected. Very clear and detailed instructions. Great service and shipping as usual from e-trailer. 266184



- RM-792
by:

I needed these to wire a TOAD (tow vehicle). They have worked as advertised. The plus is that they are quality products. The con is that they are not cheap. 264097


Comments

Over a year old and still working well. High quality. Etrailer had the best prices around.

Ron - 06/23/2017

25332

- RM-792
by:

Everything showed up on time and in great shape, it also fit exact just like the description on the website. 259307



- RM-792
by:

Look good. Have not installed yet, but expect no problems 213209



- RM-792
by:

quick, timely, cost effective delivery 210832



- RM-792
by:

Product worked as advertised tail lights on my Jeep work great when towing with my RV. Diode packaging has helpful wiring diagrams on back. 201058



- RM-792
by:

Right product and came right away! I am extremely happy with the transaction! 180944



- RM-792
by:

i just got this product and im going to install it in my golfcart and this product works 167992



- RM-792
by:

Good instructions, works great 154442



- RM-792
by:

Easy to install and worked as advertised. Installed 6 diodes and Curt inverter inside tail lights vs. inside of vehicle having to remove panels. Saved hours of work. 150115



- RM-792
by:

Easy to install them in my old jeep wrangler for the flat towing! 127531



- RM-792
by:

Excellent ptoduct 120196



- RM-792
by:

they work great!!!!! 96924


Comments

thanks everything work great!

Ron L - 09/04/2014

6652

- RM-792
by:

Works great 64192



- RM-792
by:

Exactly what we needed. Fast delivery. Thank you 54457



- RM-792
by:

As with other things that I have ordered everything went smoothly. 30418



- RM-792
by:

Exact product needed. Prompt shipping. Fair price. Package included good application instructions. 14665



- RM-794
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


Diodes work as designed. They eliminate additional lights and prevent the need to drill a hole in the tail light assembly. I used these on a previous vehicle and they are still problem free after eight years. 297661



- RM-793
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


Installed 6 of these to wire up my 04 Honda CR-V as a Toad. They work great so far, lights come on from either the CR-V or the RV. Nice that they come with the terminal lugs so all you have to do is strip and crimp the wires. 223175



- RM-794
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I installed these diodes on my wifes 2006 VW Jetta TDI to isolate the signal and tail light system from my tow vehicle. The system works as planned and the quality of the parts are excellent! VW/Audi products are notorious for system glitches when you drive the stock lights with a tow vehicle. I routed standalone wires from the front bumper mounted bulkhead plug to the rear of the car down the inside of the drivers side rocker panel and into the trunk area. 273306



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I needed to charge my tow vehicle battery by taping in to my tail lights on my motor home. This will prevent The tail lights on the tow vehicle from feeding from its own battery. My break buddy was depleting the tow vehicle battery on long trips. Solved my problem! 524458


Comments

Working great, no problems

Jon l - 06/20/2019

56873

- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


Needed to set up a circuit to activate my reverse lights on the trailer to light up the loading ramp. This worked great to keep the power from backfeeding into the car. 148921



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


Ordered a diode for a project on my RV and it worked out fine. I just wish the price was much cheaper for such a small part. 402096


Comments

Ok

Jim - 07/06/2018

40570

- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I bought these electrical products for my brother‘s Fiat that he tows behind his moterhome for extra parts haven’t had to use them yet but it’s good to know that etrailer Corp. has the parts thanks George J. 570830



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


This is a little premature to give a product rating. I will say that the diods iordered arrived sooner than expected. After reviewing the options for wiring a vehicle to be towed behind a mtrhome this is the way to process. Thank you, Jim 464083



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


has worked great. 478527



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I ordered the product to install in my 2014 VW. The next morning I got a call that what I had ordered would not ship right away and they told me if I didn't mind they could put everything I needed together and ship it right out. The he asked what I was going to use this for and It happened to be what I needed.i installed it today and it works great. 177040



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


This diode was easily installed and functions extremely well, as do all of the products we have purchased from etrailer.com. etrailer's extremely competitive prices, their outstanding customer service, and their free, quick delivery make them our go to company for all of our towing needs. 143778


Comments

The products are performing perfectly!

George C - 07/31/2015

13784
Comments

We love the equipment that we purchased from you. We have had no issues with towing our Miata.Thank you for your correspondence.

George C - 08/04/2015

13893

- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I was amazed to learn that similar to plumbing, you can put a one way valve in a 12 volt wire as well. One of my batteries was not being charged when our RV was plugged in and to make sure I did not run down my engine battery I installed this diode. Simple and came with connections ready to be hooked up. Arrived pretty quickly too. That you Christina J for one on one over the phone help. 500181



- RM-790
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I am in awe how quickly this order was processed and delivered. Considering it had to clear Canadian customs and I ordered on a Friday , it was in my hands on Wednesday. Megan was very helpful on the phone in locating the correct parts ,processing the order and following up with tracking info. I had also chat online prior to placing the order with Mackenzie who answered all questions effectively. Combining all this with the fact etrailer has very detailed instructions with drawings on the installation and I am beyond impressed. It isn’t often we see customer service on this caliber today. As a consumer I will definitely be using them again! Oh yeah and the product needed was in stock whereas when I ordered from a well known online site (A...n) in September and told ETA would be Nov/Dec they couldn’t even deliver in that timeline? 729438



- RM-793
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I needed a way to flat tow my 1951 M38 Korean War Jeep (converted to 12 volt). I picked up three of these diodes (stop, Left, right) and wired them into my jeep and trailer harnesses . Now when I connect the Jeep to my tow vehicle, the Jeep tail lights slave off the tow vehicle, yet when I disconnect my tow vehicle, the Jeep light revert back to the jeep harness. Made my flat tow capability very easy. Input side is two connectors, output side is single connector. One small issue is I needed a couple extra after market solder-less connectors since the ones that came with the diodes were too large for the trailer harness wire I was using. Crimping the connectors were not a tight enough connection....but with smaller connectors, the diodes now work great. Been using them for over a year now with zero issues. 713920



- RM-794
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


I have used these in the past so when i got a new tow vehicle i bought them again. They make wiring up the lights on a tow vehicle a snap. I have never had one fail. 695049



- RM-794
by:

Review from a similar Roadmaster Hy-Power in Accessories and Parts


Product fit great. Superfast shipping and great communication! 691931


54
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  • What you need is a converter to take the separate turn and brake light circuits and combine them. You will need converter # RM-732. It will take the separate signals and combine them so on the output side you have a green wire for right turn and brake and a yellow wire for left turn and brake. A diode is just a gate. It cannot discern the difference between the brake signal and the turn signal. So if you were turning left or right and braking at the same time chances are the higher...
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  • Wiring Up Reverse Lights on Trailer to Use as Both Reverse Lights and Utility Lights
  • In order to use your reverse lights as utility lights you would have to have a separate 12 volt power wire running to the lights. You would need a switch and you would need diodes to prevent back feeding. You would need to run some wire from the 12 volt circuit on the trailer connector back to the reverse lights. A switch will need to be installed in line with the main power wire going back to the lights. Diodes would be needed at each light you will be wiring up. Take a look at the...
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  • Parts Needed to Tow a 2009 Hyundai Elantra Behind a Motor Home
  • To begin, you will need to install base plate kit # 521627-1 on your 2009 Hyundai Elantra Touring. The Roadmaster Falcon all-terrain tow bar # RM-522 would be a good choice for your application, as it is rated to tow up to 6,000lbs and is easy to hook up on uneven ground. I would recommend Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154 to wire your RV and vehicle for towing. The # RM-154 page shows some wiring diagrams that should be helpful for your installation. If...
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Info for this part was:

Expert Research:
Robert G
Expert Research:
Michael H
Updated by:
Laura H
Installed by:
Cole B

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