I have installed a Field IQ to my FMX to control on a 1720 JD Planter.  It appears that I do not have a power supply to the Master switch box for Field IQ as there is no green light on.  Without power of course I cannot program the Field IQ.  Field IQ is enabled in the display.  Does the master switch box get power from the FMX or is it another connection that we are missing?  So far I have not gotten any help from Trimble support or my local tech and getting very frustrated and need to get this going.  Thanks for any help!