See also:

Connecting the jumper cables
Note: In the illustration, the vehicle on the bottom is used to designate the assisting (boosting) battery. 1. Connect the positive (+) jumper cable to the positive (+) terminal of the discharg ...

Safety chains
Always connect the trailer’s safety chains to the hook retainers on the vehicle. To connect the trailer’s safety chains, cross the chains under the trailer tongue and allow slack for turning corne ...

Trailer brakes
Electric brakes and manual, automatic or surge-type trailer brakes are safe if installed properly and adjusted to the manufacturer’s specifications. The trailer brakes must meet local and Federal ...