Posted 11/13/2012 20:19 (#2695580 - in reply to #2695522) Subject: RE: Spreader truck w/ Mark III / Variable rate?
If you have the newer Mark II controller. The Mark III box will be white and not blue. On the back of the Mark III there will be a serial port. It if does than you can plug the pf advantage into the Mark III and the pf advantage willl send the variable rates to the Mark III.