Key takeaways
- Five core parts: tow bar, base plate, safety cables, lighting, brakes.
- Parts must be designed to work together.
- The lowest-rated component sets your weight limit.
The five core components
- Tow bar: the arm that links the motorhome to the towed vehicle. How to choose one.
- Base plate: the vehicle-specific bracket that bolts to the towed vehicle so the tow bar has a strong attachment point. Base plates explained.
- Safety cables: a backup connection if the tow bar separates. Safety cables and breakaway systems.
- Lighting and wiring: so the towed vehicle's tail, brake, and turn lights match the motorhome. Lighting and wiring.
- Supplemental braking system: applies the towed vehicle's brakes when the motorhome brakes. Braking systems.
Often-needed extras
- Locking hitch pin for the receiver connection
- Receiver hitch on the motorhome rated for the towed weight
- Charge line or fuse bypass, if the towed vehicle battery needs help staying charged
- Base plate receiver covers to keep dirt out when not towing
- Tow bar cover or storage bracket
- Quick links for faster safety cable hookup
- Breakaway cable and battery for the braking system
- Rock guard or tow bar cover to protect the towed vehicle, if desired
Make sure everything is compatible
Components from different brands do not always fit together. Tow bar ends and base plate connections are designed in pairs, so confirm that your tow bar and base plate are intended to work together before you buy.
Also compare the rating of each part. The tow bar, hitch receiver, and base plate each have a weight rating, and the weakest link sets your limit. See flat towing weight and GCWR.
Installation and professional help
Some parts, such as tow bar mounting and base plate bolt-on installation, are done by confident DIYers following the instructions. Work that taps into the vehicle's braking system or lighting wiring is often best handled by a qualified installer.
Frequently asked questions
Do I need all five components?
Yes. Each one performs a different job, and states and provinces generally expect supplemental braking, lighting, and safety cables.
Can I mix tow bar and base plate brands?
Sometimes, but only if the connection styles are compatible. Check with the manufacturer or your retailer before buying.
Can I install it myself?
Many people install tow bars and base plates themselves, while brake and wiring installs often benefit from a professional.
This page is general information. Always follow your vehicle owner's manual, equipment instructions, and the laws of the states and provinces you travel through.