Easy Way to Disconnect Battery When Flat Towing a 2020 Jeep Grand Cherokee Trailhawk

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Question:

Saw your post on flat towing a 2019 but I just bought a 2020 and no one at my local Jeep dealer has a clue how to do this. It tells me to disconnect the negative battery cable as well as do about fifteen steps to put in neutral. Is it really necessary to battery and if you do, won’t I have to reset everything in Jeep every time I do this? Also, if that is true, is there a way to install a negative battery cut off switch as it is almost impossible to easily get to battery? Any help appreciated as Jeep impossible to deal with!

asked by: Jim

1

Helpful Expert Reply:

We have to recommend you stick with what the manufacturer recommends for flat towing your 2020 Jeep Grand Cherokee. Otherwise you run the very high risk of damaging the vehicle when flat towing it. Disconnecting the battery will reset your stereo presets, but it's better than having to have the transmission rebuilt.

We do have the automatic battery disconnect kit part # RM-766 which will even put a maintenance charge on the towed vehicle battery as you are travelling. This would be your easiest solution to disconnect the battery and keep it charged.

expert reply by: Jameson C

1

Jim L.

8/8/2020

If I disconnect the battery to flat tow my grand cherokee... what will power my brake buddy?

Jon G.

8/18/2020

If you're using a braking system that draws power from the towed vehicle battery (your Jeep Grand Cherokee) then you're going to want to install the Battery Charge Line Kit # RM-156-25 so that your motorhome battery bank can help keep your Jeep battery from getting completely drained. This would be the case whether you had to disconnect the battery or not. Be sure to reference your copy of the owner's manual for flat towing.

Answer 1

I have a couple options which will allow you to adapt your Blue Ox tow bars to fit a Roadmaster base plate. First the Tow Bar Adapter #RM62ZR will fit in place of the direct connect arms you got with your base plate. Another option is the Adapter Kit…

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Answer 2

Roadmaster base plate kit #RM-521451-5 is confirmed to fit both the Trailhawk and Trailhawk Elite versions of the 2019 Jeep Cherokee. I confirmed with Roadmaster that this base plate works fine with the Technology Group package with the front bumper…

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Answer 3

You'll need a tow bar, base plates, safety cables, wiring for the taillights, a supplemental braking system, and possibly a high/low adapter if the installed height of the base plates has a height difference compared to the motorhome hitch…

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Answer 4

Hey Riasat! Yes, the Taskmaster 5.30R12 Radial Trailer Tire w/ 12" Vesper Silver Mod Wheel #TA69QR will fit the Easy Grease Trailer Idler Hub Assembly #AKIHUB-440-2-G-EZ-1K. The hub and wheel both have a 4 on 4 bolt pattern, and the hub works…

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Answer 5

Hey James! Congrats on your new purchase! To flat tow your 2022 Jeep Cherokee Trailhawk you will need the following parts: Base Plate Kit - Blue Ox Base Plate Kit item #BX1143. This is designed specifically for the Trailhawk models and will work…

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Answer 6

Hey Ed, yes we do have replacement arms for Roadmaster base plate kits with the part #RM-ARMS. These arms are not interchangeable with other manufacturers. They actually aren't even interchangeable with the same manufacturer (if it's…

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Answer 7

Hey Dan, For a 2022 Jeep Cherokee Trailhawk you would need the Roadmaster Smart Diode 7-Wire to 6-Wire Wiring Kit for Variable Voltage LED Tail Lights #RM63MR. Your vehicle should be equipped with ParkSense proximity sensors and would have variable…

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Answer 8

I'd set aside a few hours to install the etrailer Invisible Base Plate Kit #e98951 on a 2021 Jeep Cherokee as it does require removing the front fascia. The install itself is not overly difficult though. I attached a link to an install video for…

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Answer 9

Congrats on the new purchase! Sorry to have to tell you but conventional brake controllers like the Redarc item #RED24FR do not work with the D- Cellorometer Unified brake system. We do not offer any replacement parts for Unified systems and it does…

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Answer 10

The only difference between the Roadmaster Direct-Connect Base Plate Kits like part #RM-523179-5 and the Roadmaster Crossbar-Style Base Plate Kits like part #RM-523179-4 are the removable arms. The Direct-Connect style means you can attach a tow bar…

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Answer 11

The general reason a battery needs to be disconnected for flat towing is because there are certain functions that need to be disabled to prevent your vehicle's battery from draining. You wouldn't want to get to your destination and unhook and…

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Easy Way to Disconnect Battery When Flat Towing a 2020 Jeep Grand Cherokee Trailhawk

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