On a 9650 combine that had the original brown box and uses an atu 200. I bought the harness that taps into the plug up in the headliner from the ATU, but there are 4 other round plugs that no matter how I set them up, the 2600 display never picks up the receiver. It detects the ATU just fine, and all other stuff from the combine but just not the receiver. The receiver is getting power and the light is solid green, but there is definitely a problem in the harness. CAN bus high and low for vehicle are 3 and 1.7. Below are all the plugs I have. Does anybody know what I need to make this work?
Edit: The 4 plugs were originally connected by ATU into the Y and then the Y into the other round plug with the braided insulation. Not sure what they are but it never detected the globe when it was set like that either.