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Since your driveway is on an incline the trailer will have to have the wheels chocked so it can't roll. Or it will have to be coupled to a tow vehicle while it is parked. | i had a trailer haulmark 2013 7x16...

To test it you will need one other person, a circuit tester such as # PTW2993, and the vehicle wheels will need to be chocked. Basically, you will have the other person sit in the vehicle, start it up, apply the emergency brake, keep their foot on the brake, and put the vehicle in reverse while the wheels are chocked (safety first). |

First, apply the emergency brake and chock the wheels. Have someone start the vehicle and keep their foot on the brake and place the truck in reverse. | I have a boat trailer with surge brakes. My 2012 4runner...

When using a circuit tester such as # PTW2993 to test for reverse light wires be sure to have someone in the vehicle with their foot on the brake, with the wheels chocked, emergency brake on, and the vehicle in reverse. |