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How to Hook Up a Tow Dolly Lights to a Car

Whether you need to tow your car to the local car repair shop or behind your RV while driving across the county, you will need to buy or rent a tow dolly. A tow dolly is the safe and legal way to tow your car. It has a single axle with a tongue, similar to the letter T. The tongue will hook to the towing package on the back of the vehicle which will tow the car. The towing package consists of a hitch and wiring harness installed on the back of your vehicle, and the wiring to control the lights on the tow dolly hooks into the wiring harness of the vehicle itself.

Instructions

1

Loosen the coupler latch on the tongue of the tow dolly and place the coupler over the 2-inch ball of the hitch on the vehicle which will be towing the dolly. Push the towing dolly back and forth a bit to ensure the coupler is seated properly on the 2-inch ball.

2

Push down on the latch to close the coupler latch over the 2-inch ball and place the pin through the latch to securely lock the tow dolly onto the hitch. Pull up on the towing dolly to test if it is secured. If the coupler seems loose on the ball, adjust the coupler, using a wrench.

3

Connect the wiring plug of the tow dolly to the plug beside the hitch. If the wires do not have a plug, then connect the color coded wires of the dolly to the corresponding wires of the towing package. The yellow wire controls the left blinker, the green wire controls the right blinker, the brown wire controls the tail lights, the white wire is the ground and the red wire is for optional brakes on the dolly.

4

Attach the safety chains to hitch. Crisscross the chains, allowing slack in the chains for moving around corners.