This harness gives you both 7-way and 4-way trailer connections for lights, brakes, and auxiliary power when a vehicle-specific harness is not available. Built-in converter helps prevent overloads and short circuits.
Zinc Plated Hex Flange Nut - M8 Quantity: 1 Used on Chevrolet and GMC pickups to connect the factory-run 12 volt lead and trailer brake power lead to the posts in the fuse box under the hood
M6 flange nut is zinc-plated for durable corrosion resistance.Features: Metric hex flange nut Zinc-plated steel construction Coarse threads Class 8 grade Specs: Works with 10-mm wrench Diameter: 6 mm Thread pitch: 1 mm