Near Intersection of I-35 & I-90 Southern Mn. | 4WD is correct. Those heavier wires are often referred to as High Current Power.
Some Ag Leader cables using their own legacy modules have one pair of high current wires which are the large terminals across from each other with four smaller terminals and wires in the center. Those in the center are the CAN connectors. The High Current wires are what does the actual work of providing power for ON/OFF valves, clutches etc. The smaller CAN wires are just for communication between the display and the various modules. Some Ag Leader cables have a second pair of high current wires to provide another source of high current power. The terminals in this pair are also across from each other. The first pair gets its power/ground from the main display harness. The second pair needs a stub connector on the tractor side going directly to the battery (this is the black 2 pin Deutsch connector). In order to have power/ground available back at the implement at the black 2 pin Deutsch connector, the black Deutsch 2 pin connector must be connected to the battery on the tractor side.
Also remember that the green flashing LED on a module means that it is getting good communication with the rest of the system which is necessary. However the green flashing LED does not show the status of the high current pair of wires which are often necessary. There is no LED indicator to show the high current status (I wish there was). The only way to test the high current status is to temporarily unplug the gray or black 2 Pin Deutsch connector and use a meter set to DC voltage between the two pins. Don't check from a pin to chassis ground.
This High current power is necessary on many/most Ag Leader modules but not all of them. The Application Rate Module which works with an implement switch, flow or shaft meter or a Serial connection to a third party device does not do any actual work in the sense of moving a valve etc. so it does not have the two pin high current connection.
Edited by tedbear 12/27/2020 08:36
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ISOBUS - CANBUS (explanation for dummy’s)
