Near Intersection of I-35 & I-90 Southern Mn. | I'm still not certain if I follow what you are trying to do. I may be able to test your question since I have most of the pieces to setup such a scenario in my basement Lab.
I'm thinking that your goal might be to tap off one of the extra section outputs from a liquid module or Clutch Module to perform a task for which they weren't originally intended.
Remember that the output from a Clutch Control Module uses reverse logic as compared to a Liquid Module. That is the Clutch Module completes ground to trigger a section clutch to STOP planting.
But to your original question I suspect that entering a width of zero for a section and then using its output for another purpose may or may not work. I suspect that if the width of a section is set to zero, it would remain OFF no matter what. This is the case if one forgets to enter a nonzero target rate with a Liquid Module. None of the boom sections will turn ON. Although this isn't exactly the same, the reasoning would follow.
I still advise keeping your "other things" on switches/relays that are completely separate from the Ag Leader system.
You mention something about an air compressor. When I had one for a Tru-Count air system I rewired it with a relay and decent wiring size directly to the battery. The pressure switch then triggered the relay to run the compressor rather than running the compressor directly. I also had a switch and an indicator so that I knew when the air compressor was active.
We now have a different planter with a large air compressor for UP/DOWN force plus residue manager adjustment. This compressor mounts on the planter. It contains a relay of it own which is triggered by an air pressure switch. The power to the relay comes from heavy cables connected directly to tractor battery with an Anderson connector at the hitch. Another light duty cable leads to the 3 pin AMP connector in the dash. It uses a single wire that is triggered by the key switched terminal of the 3 pin AMP connector. This means for the compressor to run, the tractor must be ON and the air pressure low. This means it is automatically disconnected over night.
Edited by tedbear 2/5/2026 12:39
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AgLeader switch box question
