Son just called and said Ag Leader Incommand 1200 shuts off while putting on anhydrous ammonia. He restarted 3-4 times and almost immediately shut off when trying to apply anhydrous ammonia. Had been working fine all day. Said he ran just the 1200 coming out of the field and it worked fine. Have an SC110 switch box and liquid product module that was checked by Ag leader to be good.

Is this a wiring issue or a short in the wiring?