What Parts do I Need to Flat Tow My 2022 Ram 1500 Bighorn 4x4 Crew Cab Behind 2013 Entegra Air Brake
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Question:
I have a 2022 Ram 1500 Bighorn 4x4 crew cab with a Roadmaster Sterling all-terrain tow bar part 576. Can you list everything I need to flat tow behind my 2013 Entegra Coach Aspire w/air brakes?
asked by: David R
Expert Reply:
Hello David,
Happy to get the parts you need to tow your Ram Bighorn 4x4 Crew Cab to match up with your Roadmaster Sterling All-Terrain Tow Bar # RM-576.
Base Plate (pick one of the following):
- Fits 3.0 EcoDiesel V6 with lower Active Air Grille Shutters. TRX with 6.2 okay. No Rebel. # RM74MR
- Fits Rebel model only. No Diesel. No TRX. # RM-522205-5
- Fits all with 5.7, 3.6 & 3.0 EcoDiesel motors. No 3.0L EcoDiesel V6 with lower Active Air Grille Shutters. No Rebel or TRX. # RM-522203-5
Wiring:
- Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord # RM-15267
-Roadmaster Battery Charge Line Kit for Towed Vehicles # RM-156-25 (peace of mind that your battery is not going to be dead when you get to your destination)
Braking System:
- Demco Air Force One Flat Tow Brake System for RVs w/ Air Brakes - Proportional # SM99243
- Roadmaster Universal Stop Light Switch Kit # RM-751000 (If the brake lights do not work with the towed vehicle's ignition key turned to the "tow" position, you need a brake light switch kit to provide a signal to the supplemental braking system. Roadmaster manufactures both vehicle-specific and universal brake light switch kits.)
Since the Roadmaster Sterling All-Terrain Tow Bar # RM-576 does not come with safety cables you will also need a set of the # RM-645.
Also, if you want to keep the front of your truck protected while flat towing, then you will want the Roadmaster Tow Defender Protective Screen for Towed Vehicles # RM-4750.
I've attached some review/install videos as well as a help article about the must need components for flat towing, it is a great read whether you are a seasoned flat tower or new to flat towing.
Are you new to the flat tow world, or just getting a new vehicle set-up to flat tow? If you have any questions about the parts, please feel free to comment below =)

Product Page this Question was Asked From
Roadmaster Direct-Connect Base Plate Kit - Removable Arms
- Tow Bar Base Plate
- Removable Draw Bars
- Twist Lock Attachment
- Partially Hidden
- Roadmaster
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