Parts Needed to Flat Tow 2023 Jeep Grand Cherokee
Updated 09/12/2025 | Published 05/22/2025
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Question:
Hello I have a 2023 Jeep Grand Cherokee that I intend to flat tow behind my RV. It has the Quadra Trac II 4x4 system that allows it to be put into Neutral to be flat towed. It is being towed by: 2023 Newmar Dutchstar 4369 class A bus. It has air brakes and is prewired for pulling a trailer. From what I can tell, I need.. I need the Roadmaster part numbers: RM-77ZR - flat tow hitch has tow hooks, but not active shutters RM-676 - tow bar RM-156-25 battery charge line kit RM-15267 brake wiring kit might be redundant with RM-676 RM-8700 flat tow brake system RM-15267 - wiring diode kit Looking to see if you have any more advice or if there is anything more I need to do to make this tow happen.
asked by: Craig S
Expert Reply:
Hey Craig! It looks like you got most of the parts already. I see you ordered the following:
-Roadmaster Direct-Connect Base Plate Kit # RM77ZR
-Roadmaster Nighthawk All-Terrain Tow Bar # RM-676
-Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles # RM-15267
-Roadmaster Battery Charge Line Kit for Towed Vehicles # RM-156-25
-Roadmaster InvisiBrake Flat Tow Brake System # RM-8700
The base plate kit is designed for the Overland with the front tow hooks and no active grill shutter. As long as you have the Overland that is correct. You will have a few extra parts and a spare Flexo-Coil adapter cord from that wiring kit but it will still work.
The one thing you are for sure missing is the RoadMaster Stop Light Switch Kit # RM77RR. This will be necessary for the installation of the InvisiBrake. You may also need a high-low adapter to keep your setup level. I went ahead and attached a help article below which explains how to measure and choose the right adapter. I also included a link to all of our available high-low adapters for your reference.
If you need anything else feel free to reach out in the comments below.
(click to enlarge)
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Robin H.
9/12/2025
Hey Craig, did you have a chance to get the Stop Light Switch Kit and high-low adapter for your setup? I'm curious to know how everything worked out for your flat towing setup with the Jeep and RV. Your experience could really help others planning a similar setup!