How to properly tow your Jeep Wrangler TJ

BendLarry said:
You are right about that! When investing supplemental braking systems, I finally decided that there was not a perfect solution that didn’t cost more than I was willing to pay. I just wanted something that would be legal and help in a hard braking situation.


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Agree with you there. I'd go with your system if I could find a way to disguise that damn cable. Like you said, it's there mostly for legality and liability reasons, but heck any type of brake assistance is better than no assistance I guess.
 
bobthetj03 said:
Agree with you there. I'd go with your system if I could find a way to disguise that damn cable. Like you said, it's there mostly for legality and liability reasons, but heck any type of brake assistance is better than no assistance I guess.
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The cable connector on the bumper doesn’t bother me... it’s a Jeep after all! If it did bother me I doubt it would be very hard to come up with a way to conceal it.


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bobthetj03 said:
@BendLarry ?
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If i was to hide it i would hide it behind the grill. You want it to be in as straight a line with the motor home bumper as possible. I mounted it the easy way. I spray painted it black to camo it [emoji4]
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I got it! I could make a box to cover it right where it is that’s removable, and tell everyone it’s a Curry add on that has a incline sensor in it to aid with crawling over rocks! I bet everyone would want one, I would also put a Curry sticker on it for extra crawling cred[emoji6]


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BendLarry said:
I got it! I could make a box to cover it right where it is that’s removable, and tell everyone it’s a Curry add on that has a incline sensor in it to aid with crawling over rocks! I bet everyone would want one, I would also put a Curry sticker on it for extra crawling cred[emoji6]


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You better market that before someone scoops it up, lol!

That dongle sticking out like that would drive me batshit crazy (no offense to your setup Larry). I don't see why one could mount it in the same place, but under the bumper on 3/16 angle. My jeep sits a bit higher than the tow bar, so having it lower might actually be beneficial to the wire's routing. Great Larry, now you got me thinking!
 
bobthetj03 said:
You better market that before someone scoops it up, lol!

That dongle sticking out like that would drive me batshit crazy (no offense to your setup Larry). I don't see why one could mount it in the same place, but under the bumper on 3/16 angle. My jeep sits a bit higher than the tow bar, so having it lower might actually be beneficial to the wire's routing. Great Larry, now you got me thinking!
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I have a 5 inch lift with 33’s so mine is much higher than the motor home bumper. I the biggest drop hitch I could find, 10 inch I think it was. A removal bracket attached under the bumper would work. No one has ever noticed it being there and I have been around quite a few jeepers since I mount it. I can remove it in about 5 minutes. No brainer for me.


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Remember the cable runs through a conduit through the firewall and is attached the the brake pedal. Detach it from the pedal and pull it out. I might tow one or two times a year, so no biggie to remove.


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BendLarry said:
Remember the cable runs through a conduit through the firewall and is attached the the brake pedal. Detach it from the pedal and pull it out. I might tow one or two times a year, so no biggie to remove.


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Do you route the conduit/cable along the inside of the frame rail up to the firewall?
 
I wanted the connector end to be on the center line of the Jeep, so i could only use the frame for a little of it. It’s an easy installation. It doesn’t have to be centered, but I’m anal about how things should work, and care less about looks.


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I tend to have a similar problem, cept for the looks part. I'll do some more research on this. At half the cost of a Brake Buddy, this method is appealing.
 
Alex M. said:
One of the great things about owning a truck camper is the ability to tow things like boats, trailers, and Jeeps. With several trips planned for the winter and spring, getting our 2004 Jeep Wrangler rigged for towing was a high priority for us. These preparations included the installation of electrical wiring for the Jeep’s tail lights, purchasing a Class III adjustable tow bar, mounting the tow bar brackets and safety hooks to the Jeep’s OEM front bumper, and purchasing an 18-inch-long hitch box extension for my Ford F-250.

After researching this topic, I decided to tow the Jeep flat or “four down.” It wasn’t a hard decision, actually. The Jeep Wrangler is built to be towed four down and is one of the few vehicles built to be able to do this (I considered buying a small trailer to tow the Jeep, but I didn’t want to deal with the additional tongue weight as I’m 200 pounds over my GVWR already with a fully loaded truck camper). A tow bar is the main piece of hardware that you need to tow four down. After looking at numerous tow bars, I decided to buy a simple Reese Class III adjustable tow barView attachment 7109 for around $110. I could’ve spent $700 for a fancy Blue Ox, but why? My Reese tow bar is rated to tow 5,000 pounds, which is more than stout enough to tow my 3,450 pound TJ.

1. Tow Bar
Installing the tow bar brackets on my Jeep’s OEM bumper was pretty simple. First, the bumper had to be unbolted from the Jeep using a T-55 torx fitting. Before installing the brackets you’ll first need to remove the two bumper pads from the bumper (if you’re lucky, like me, you’ll be able to use the existing bumper pad holes for the tow bar brackets). The installation instructions state that the tow bar brackets should be mounted between 24 and 41 inches apart on the bumper and mine are centered about 35 inches apart–perfect! Some TJ owners question the strength of the 1/8 inch thick bumper and its ability to support bolted tow brackets and withstand the forces that will be exerted against them. That’s a valid question and one I had, too. No, the bumper metal isn’t very stout, but if you reinforce the backside of the bumper with support plates, such as the ones that were included in my tow bar kit, you’ll be fine. Many TJ owners who have gone this route over the years have towed for thousands of miles with zero problems.

View attachment 7110
Backside of bumper showing the backing plates.
View attachment 7111
Bumper mount with bumper removed.
View attachment 7112
Close up of an installed tow bar bracket.


Safety Chains
Having just a tow bar isn’t enough when flat towing–safety chains are also needed as an emergency backup in the event that the tow bar or hitch fails while in-motion. In order to use safety chains, I needed two attachment points on the Jeep. These can either be tow hooks or D-rings. Unfortunately, my Jeep had neither, so I had to find something that was suitable that bolted to the Jeep’s frame. Fortunately, a pair of Curt tow hooks can be purchased for $7.99 at Harbor Freight that mount directly to the top of the bumper (see pic below). Rated for 10,000 pounds these hooks are pretty beefy and also include a retainer clip. You can also purchase Curt Tow Hooks on Amazon.com. In addition to towing, these hooks can also be used for recovery in the event that you ever get stuck while off-roading. Getting stuck is something that happens to every Jeeper, eventually, so having a good set of tow hooks provides extra peace of mind.

View attachment 7113
The Curt tow hook installed on OEM bumper.
View attachment 7114
Tow bar and safety chains hooked up.


Towing Lights
You can go two ways to meet this legal requirement: buy a set of removable tail lights–the quickest and cheapest option–or permanently tap into the Jeep’s tail light wiring using a hard-wire diode kit. I chose to go with the latter as I wanted a more permanent, “hidden” solution. What’s the purpose of the diodes? They prevent the truck’s electrical impulses from being back-fed and causing damage to the Jeep’s electrical components. I do have one recommendation when hard-wiring: make sure that the wire run through the Jeep’s engine compartment is protected with flex tubing as this area can get pretty hot during vehicle operation. I should also point out that the common four-wire system is used for towing lights. As for the length of my umbilical (the cord that connects the Jeep to the truck), mine is 80 inches long and is protected with flex tubing wrapped in insulating tape.

View attachment 7115
The mounted 4-wire electrical interface plug.


Supplemental Brakes
Since Arizona law doesn’t require a supplemental braking system (click here to see if your state requires one), I’ve decided to forgo the purchase of a Brake BuddyView attachment 7116 or similar braking system for my Jeep. No doubt, a few will question this decision. But my F-250 has a towing capacity of 12,400 pounds and is equipped with beefy, superduty brakes and a transmission braking system that is second to none. Most of my towing will occur here in the desert Southwest where the terrain is relatively flat, so I feel pretty good going this route (I’ve been able to confirm this decision on a couple trips already. Most of the time I didn’t even know the Jeep was behind me and this included during quick stops).

Hitch Box Extension
This piece of towing hardware isn’t needed in all cases, but it was for me as I usually tow with a truck camper which extends two feet beyond the rear bumper. I decided on an Reese 18 inch long hitch box extensionView attachment 7117. With both the hitch and extension installed, the total length from the rear bumper to the hitch ball is 26 inches. Along with the tow bar’s length of 41 inches, this provides me with the required amount of clearance between the Jeep and camper even on sharp turns. Here are a couple tips when choosing your hitch box extension and hitch. First, if you need an extension with a length greater than 40 inches, you’ll want to make sure that the extension has support chains to prevent side-to-side movement (this may require that a special plate be welded to the extension to accomplish this). For the hitch itself, you’ll want to make sure that the hitch ball is the correct size and that the shank is large enough to support the weight of your Jeep. You’ll also want to ensure that your tow bar is fairly level when hitched up, especially if a supplemental braking system isn’t being used. Doing so will improve handling and stopping.

View attachment 7118
The Reese Hitch Box Extension and Hitch.
View attachment 7119
Close-up view of the Jeep Wrangler flat tow hitch set-up.


Jeep Wrangler Flat Towing
The Jeep Wrangler is one of the few vehicles built specifically to be flat towed and it does terrific in that role. Flat towing a TJ Jeep Wrangler is fairly simple, but it’s critical that you have everything set up properly before you roll. Note that the transfer case must be shifted into Neutral (N) and that the transmission MUST be placed in gear (I like to place mine in second gear) so that the transmission can be lubricated while the Jeep is being towed (your transmission will burn up if you don’t). According to the owner’s manual, here are the steps for flat towing a TJ Jeep Wrangler:
  1. Depress the brake pedal
  2. Depress the clutch pedal
  3. Shift the transfer case into N (Neutral)
  4. Start engine
  5. Place manual transmission into gear (second or third gear are the most popular. Don’t make the mistake of putting it into Neutral as this will prevent the transmission from being lubricated and it will burn up while being towed.) For automatics, place the transmission into park (P).
  6. Release brake pedal to ensure no movement
  7. Shut engine off and place the ignition key into the unlocked OFF position (this allows the steering wheel to turn while being towed).
  8. Apply parking brake
  9. Attach Jeep to tow vehicle
  10. Release parking brake
Note: Tow bars have no speed limitations. They can be used at any speed (but are subject to local highway speed towing laws, of course).
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Does the odometer record miles when in tow?
 
Ok. Thanks. I thought all the new vehicles' odometer were electrically controlled, not like the old cables. This will be our first time towing our Wrangler. Was told to tow it in neutral at the RV dealership. Just want to do right.
 
You're not towing in neutral are you?

Should be —-> transfer case in NEUTRAL, automatic transmission in PARK and manual transmission in 2nd or 3rd
 
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