Exemplary 7 Way Trailer Brake Wiring

Injunction of two wires is usually indicated by black dot on the junction of 2 lines.

7 way trailer brake wiring. Trailer wire color codes colors coordinate with trailer wiring diagram. The 7 foot length is part number 277 00142. Tm park light green battery feed black rt right turn brake light brown lt left turn brake light red s trailer electric brakes blue gd ground white a accessory yellow this is the most common standard wiring scheme for rv plugs and the one used by major auto manufacturers today.

Each of your new brakes will have two wires for the brake magnet. There will be primary lines which are represented by l1 l2 l3 and so on. Here s what our wiring kit is going to look like.

It can transfer electricity better so the connector is suggested for higher level electric in the vehicle. As you can see we ve got a good long length here nice heavy duty jacketed 7 pole cable. 3 00 is green and right turn and brake.

For instance looking at the trailer wiring diagram if you want auxiliary power but don t have back up lights then just leave the purple wire out. The 10 foot length is part number 277 000141. If you are looking at the inside of the trailer connector where the wires mount to the terminals starting at the top and rotating clockwise.

This is a 7 way molded trailer plug connector with junction box. But it doesn t mean link between the cables. Colors can also be utilised to differentiate cables.

Here s the diagram for 7 pin connector. That s going to go right into our 7 pole plug. One wire is for 12 volt power to the brake magnets and the other wire should be grounded either to the trailer frame or to the main trailer ground wire.