Formidable Blue Wire On 7 Pin Trailer Plug

The 5 pin flat connector above is nice for.

Blue wire on 7 pin trailer plug. Feed the black wire and the blue wire through the grommet and route it to the rear of the truck. We ll walk you through the wiring process it s easier than you think. Blue electric brakes or hydraulic reverse disable see blue wire notes below in the trailer wiring diagram and connector application chart below use the first 5 pins and ignore the rest.

Blue reverse lights green right turn brakes yellow left turn brakes brown taillights º white ground. This vehicle is designed not only to travel 1 place to another but also to take heavy loads. Black and blue wires are not connected in the above image as they were not needed for this box trailer with no brakes or aux reverse.

Sever the blue wire a few inches back from the controller and use your circuit tester to test the wire. Connect to the brake controller and route the black and blue wires. You can certainly add a 7 way trailer connector to your trailer with 6 wires.

Use the 7 pin connector anyway see below and just leave out the last 2 wires. 0 5 feet long. When wiring a 7 way on your trailer with 5 wires your green wire will be right turn brake the yellow wire will be left turn brake the brown wire will be the taillights and the white wire will be the ground.

Most of us aren t electricians but that doesn t mean wiring a trailer or replacing corroded wiring is beyond us. If it shows voltage without applying the manual override then this indicates a problem inside the controller and it will need to be replaced. Attach the blue wire that came with your 7 wire plug to this blue wire.

Can i wire a 7 blade plug on my trailer and have running lights electric brakes brake lights and turn signals. My 2003 chev k2500 has the 7 blade plug receiver. You will want to find out if the blue wire on your trailer is needed for 12 volt power for trailer accessories for electric brakes or for a reverse brake lockout if your trailer has surge hydraulic brakes.