What Is Needed For Flat Towing A 2009 Mercury Mariner Behind A Motorhome With A Stowmaster Tow Bar  

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Expert Reply:

To attach the Roadmaster StowMaster 5000 tow bar to your 2009 Mercury Mariner you will need the Roadmaster XL Base Plate Kit, part # 4406-1. These base plates will install on your Mariner and once the drawbars are removed, the remaining brackets are virtually invisible.

To complete the towing set up for your Mariner, you will also need safety cables, and lighting. For safety cables, I recommend RoadMaster 64 inch Single Hook, Coiled Safety Cables, # RM-643. The base plates provide attachment points for the cables. The other end will attach to the hitch on the towing vehicle.

For lights, there are a couple of options. If you do not plan on towing the truck often, I recommend magnetic light kit # RM-2120. If you do plan on towing it frequently, I recommend installing Hopkins Isolating Diode System, # 38955. I have included a video along with a couple of FAQ articles on tow bar wiring that should help in choosing the best light kit for your application along with how to go about wiring them.

You might also be interested in purchasing a Roadmaster Even Brake Portable Proportional Braking System, part # RM-9400. Some states have laws that do require a supplemental braking system when flat towing a vehicle. This system installs quickly so you are ready to go in minutes. It engages the towed vehicle brakes proportionally to how much the towing vehicle is braking, reducing wear of both vehicles brakes.

Finally, you will need to check with the manufacturer and/or your vehicle owners manual for instructions on the proper procedure for towing your vehicle because some vehicles must be equipped with a transmission lube pump, an axle disconnect, drive line disconnect, or free-wheeling hubs before they can be towed.

expert reply by: Jeff D

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