T-One Tow Harness Connectors require no splicing of vehicle wires, just locate your vehicle’s wiring harness connector, unplug the connection and insert the T-One Connector into the vehicle’s harness. Weatherproof, one-piece construction and a ‘Factory’ appearance – T-One Connectors look like part of the factory harness and simply store in the cargo area or under the rear bumper when not in use. 16 gauge bonded wire with 4-flat plug and cap; 4.2 amp stop light/turn signal circuit capacity; 7.5 amp taillight circuit capacity; upgraded circuit protected ModuLite HD module. Simple, easy to follow, do-it-yourself instructions included in every package; no special tools required for installation.