Gm 7 pin trailer connector wiring diagram12/16/2023 ![]() ![]() This sixth wire is usually black or red in color. Six-way wiring includes a sixth wire used for a fused battery lead, to provide 12 volts of power to any accessory that may be included on the trailer such as a fan. The next level is five-way wiring, which includes the addition of a blue wire for electric brake control or surge brakes built into the trailer.įive-way wiring is common in a number of 90’s Chevy truck models. If your truck or trailer has a four way wiring set-up, it will have the following types of wires:įour-way wiring works with most light-duty trailers and boat trailers and is quite common. This seven-way wiring configuration is the most common set-up found in Chevy trucks and modern trailers. Black or Red – Battery hot lead, 12V aux power.Blue – Brake power, electric brake control.Yellow – Left turn signal and left brake light.7 - circuit wiring diagrams Wiring diagram for 98 astro van 2000 Chevy S10 Wiring Schematics. Green – Right turn signal and right brake light pin Plugs into car harness at radio Power and 4 Speaker 21.The wire color coding for the seven-way wiring configuration is: Seven of these wires run to a standard seven-way connector, with the eighth being an optional light blue wire that can be used for a third brake light when towing a camper shell. Most Chevy truck models later than 2000 should have a total of eight wires in the wiring harness underneath. ![]() Let’s explore the four main wiring configurations found in both Chevy trucks and the majority of pull-behind trailers. With so many different models and years of Chevy trucks out there, there are a number of different wiring configurations.īut the coloring of the wires and the purpose they serve remains consistent across Chevy trucks and the entire auto industry. Chevy Truck Trailer Wiring Configurations ![]()
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