All Parts Needed to Flat Tow 2014 Jeep Grand Cherokee Behind a Motorhome

Question:

I need everything to tow a 2014 Grand Cherekee behind motorhome. Seems we need a base plate RM521440-5 a tow bar, braking system, and electrical connections. When I got to the tow bars, I got lost. We used to tow a jeep wrangler with a simple tow bar and bumper brackets I made myself. Things seem much more complicated and expensive now. What do you recommend? FYI - We do sometime camp in what may be considered primitive areas 30+ miles from pavement up canyons but often unhook tow vehicle once we hit the dirt road and creek crossings. Thanks for your assistance.

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Expert Reply:

You are correct that there are quite a few parts necessary to flat tow your 2014 Jeep Grand Cherokee behind your motorhome but I'll be happy to list everything you'll need.

As you mentioned, you'll need base plates, and the Roadmaster EZ5 # RM-521440-5 is a confirmed fit for your Jeep so long as it is not an SRT-8 model, which since you listed this part I assume it is not. For a tow bar I recommend the Roadmaster Falcon 2 # RM-520 which is out most popular option due to how easy it is to hook up with its self-aligning design. You will also need safety cables # RM-643 with your tow bar.

In order to have working lights on your Jeep you will need a wiring kit. I recommend the Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154 if you want to use your Grand Cherokee's lights, or you can use the Optronics Magnetic Tow Lights # TL21RK which will connect to the 4-way on your motorhome and mount on top of your Jeep for lights.

A supplemental braking system is now required in most states and is a good idea no matter what for safety reasons. The best option is going to be the SMI Stay-IN-Play DUO # SM99251 which is a one-time install so you won't have to activate or disconnect each time you flat tow your Jeep. You will also need Stop Light Switch Kit # RM-751449 when installing a braking system to ensure it functions correctly.

Finally, it is likely you will need a high-low adapter such as # RM-076 to keep your Grand Cherokee level with your tow vehicle. The adapter you need is going to depend on some measurements you'll need to take. I have added a link to a help article on high-low adapters which explains the measurements you'll need, as well as a link to our page with our selection of adapters. I've also attached links to video reviews and installs of the other aforementioned parts for you to take a look at.

expert reply by:
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Kyle S

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Question:

One last question. Our jeep has the optional diesel engine. When I watched the video about installing the braking system I noticed it was mounted under the hood and tied into the existing vacuum system. I will pop the hood when I get a chance but thought you may know if it will work with the diesel. Thanks again.

asked by: Wade J

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Expert Reply:

The SMI Stay-IN-Play DUO Supplemental Braking System # SM99251 will work with the diesel engine on your 2014 Jeep Grand Cherokee. The type of engine is not an issue with this braking system, the engine check valve that installs will still be fine to use with a diesel.

expert reply by: Kyle S
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Kyle S

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Question:

We went and bought a 2013 wrangler rubicon - 10th edition to tow instead of our grand cherekee. Can you please provide the same information you did below for the cherekee. Sorry for taking so much of your time. We aren't as worried about looks and ease of hookup as safety. For years we happily towed a 1994 wrangler with a simple bumper mount tow bar, that lifted up and remained mounted on front of jeep, behind our RV and PU into back country on hunting/fishing trips. Thanks

asked by: Wade J

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Expert Reply:

No problem whatsoever, it's what we're here for and I can get you set up with what you'll need for your 2013 Jeep Wrangler 10th Anniversary Edition, starting with compatible base plates, the Roadmaster MX Base Plate Kit # 1444-3. For a tow bar you will need one that slides into a trailer hitch with these plates so I still recommend going with the Roadmaster Falcon 2 Tow Bar # RM-520 that I mentioned in my previous answer; you will also need safety chains # RM-643.

To power your Jeep's lights I recommend using the same wiring kit I had previously talked about, the Roadmaster Universal Hy-Power Diode Wiring Kit # RM-154. The SMI Stay-IN-Play # SM99251 supplemental braking system will be a great option on your Wrangler but you will need to use the Roadmaster Brake-Lite Relay Kit # RM-88400 to prevent the Jeep's brake signal from overriding your RV's turn signal.

You will also still need a high-low adapter and the article on how to find the right one remains linked for you.

expert reply by: Kyle S
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Kyle S

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