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2021 Jeep Wrangler Unlimited 4xe Flat Tow Set Up  


The new Jeep Hybrid 4xE does not have an alternator, but instead uses a fairly complicated dual charging system module. I wish to flat tow this vehicle behind my RV so that the bus provides power to the turn and brake lights as well as charge amperage to the vehicle itself. 1 Does the appropriate wiring harness exist yet, and 2 will this harness allow for the 7-pin? to charge the main batteries in the jeep?


Helpful Expert Reply:

To set up your 2021 Jeep Wrangler Unlimited 4xe to be flat towed I recommend the following items:

etrailer Invisible Base Plate Kit Item # e98948. The Base plate is a steel construction with removable arms to maintain a nice clean look on the front of the Jeep when not towing it.

Blue Ox Patriot # BLU37TR. This braking system is a portable system that is easy to set up when ready to tow the vehicle and can be used in multiple vehicles. To use this braking system it will require a 12 Volt Outlet Kit, 20 amps Item # RM-9332.

etrailer SD Non-Binding Tow Bar Item # e34ZR. This tow bar has a 6000lb towing capacity, is a non binding tow bar that comes with the safety cables pre-installed. Has a rod to hold your umbilical up off the ground. Each arm can be rotated in either direction and locked in place horizontal with the towing vehicle.

Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit Item # RM-15267. This kit is a diode kit that allows you to utilize your factory lights for function while towing. The diodes connect to factory wiring behind each taillight, the wiring is ran from the front of the vehicle to each side to provide the function from the towing vehicle. The diodes protect the factory wiring from back feed.

Roadmaster Battery Charge Line Kit Item # RM-156-25. This is for charging your battery while towing. The line connects to the center pin on the 6 pole plug that comes with the diode wiring kit. As long as the 7 pole plug on the towing vehicle provides 12 volt power this kit will charge your vehicle battery whle it is being towed.

expert reply by:
Shane H

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