Nilight Low Profile Submersible Trailer Light Kit Combination of tail lights, brake/turn signal light, side marker, license plate light for your safe driving. Light dimension: 8. 3” x 3. 0” x 3. 0” Mounting distance: 2” Mounting stud diameter/ light mounting hole size: 0. 23” Wiring harness kit: 2 sets 4 pin trailer wiring harness, 21. 65 feet plus 3. 93 feet Wire Connection: Brown wire of both lights to vehicle's running lights wire Yellow wire of the left lamp to vehicle's left stop & turn light wire. Green wire of the right lamp to vehicle's right stop & turn light wire. White ground wire of both lights to the vehicle's frame Lighting Modes: Running Light: Low brightness red tail light, red side marker light, white license plate light Brake & Turn Signal Lights: High brightness red brake/signal light Package Includes: 2 x trailer lights, 2 x trailer harness kit, 1 x license plate bracket, 1 x hardware pack