Truck 7 Wire Trailer Wiring Diagram. Flat connectors comply with australian standards as41775 2004. Step 1 wire the camera.
Complete fully detailed wiring diagrams showing all peterbilt 389 systems over the entire vehicle. Your vehicle may have a 6 round or 7 round connector. If you can connect your trailer to a different truck this will be proof positive that the issue resides on the trailer side or truck side.
Step 2 mount the camera.
Pls read the plug diagram carefully and refer to the diagram to install this 7 way plug. This is accomplished by tapping into the tow vehicles electrical harness to transfer power to the trailer wiring system. 4 way flat molded connectors allow basic hookup for three lighting functions. Also includes the next peterbilt schematics of the 2020 year.