I was thinking about how they were wired up this morning while I was chisel plowing. The section switches get disconnected from the boom valves but they still send 12 volts to the console. On a Viper setup the Viper takes a section switch turned off and then tells the accuboom to turn that section off on the CAN connection. I have also seen this work with a 4600 and an Envisio Pro. I do not know about one hooked up on a 440. I was thinking that it worked the same but it may have been just like your setup.