Near Intersection of I-35 & I-90 Southern Mn. | Long Story Short: The control branch needs to be unplugged from the Steady Steer harness and plugged into a similar connector of the Truesight 2 harness. If you are using a momentary engage/disengage switch, it too, can to be unplugged from the Steady Steer harness and plugged into the Truesght 2 harness. No other connectors need to be changed. Both systems are sort of "ON" at all times but only one or the other is controlling the Steady Steer Motor.
I have this combination in my Deere 9770 so I expect your situation would be very similar. I installed the Steady Steer a couple of years ago. It worked fine in soybeans where guidance/steering was done based on AB lines. The AB lines can be saved AB lines from planting or "new" AB lines created while harvesting the soybeans.
However, due to planter drift, I felt that using Steady Steer based on AB lines was not quite what I wanted in corn. I installed a Truesight 2 system from the Headsight folks for last season's corn harvest. This is a steering system that utilizes a set of feelers that literally "feel" the insides of a pair of adjacent rows. The Truesight 2 has a controller of its own that I placed in the corner of the cab. It has a fairly complex wiring harness so it can be used with a variety of combines and steering systems. The Truesight system is able to use the Steady Steer motor.
This means that in soybeans, the Steady Steer motor is connected to the Steady Steer controller box as indicted in the Ag Leader directions as usual. When switching to soybeans I need to unplug the "control branch" from the Steady Steer Branch and reattach it to the "control branch" from the Truesight 2 harness. The power branch that supplies the actual power to do the "work" of steering is not changed.
There are various options for engaging/disengaging. Personally I prefer to use the momentary switch shown below. Grabbing the wheel and "breaking it loose" in an emergency type type situation does disengage steering. However for a normal operating procedure, I prefer to engage/disengage the system by using the button.
The feeler system can be programmed to engage after a certain time delay from when the corn head is lowered. This does work but I find I just prefer engaging myself by using the button. Typically I steer on to a set of rows manually, lower the head and start harvesting. I then push the engage button and let the feeler system take over. When approaching the end, I push the button to disengage, grab the wheel, raise the head and proceed to the next pass.
The Truesight feeler system has various safety features to prevent accidentally engaging the feeler system and causing an accident. The system checks as whether the operator is sitting in the seat, that the ground speed is reasonable for harvesting and other features to prevent problems.
If you move to a field and your ground speed exceeds a certain speed, the system goes into "Transport Lock" and will refuse to engage - again for safety. When you reach the field and wish to use the feeler system you do need override this Transport Lock feature to begin to use the feeler system. This is normally just a one time action after road travel or the first time startup in the morning.
One user complained that he needed to do this override every pass. This puzzled me until it was revealed that his corn was down terribly and he was harvesting it one way. He would harvest a pass in one direction, raise the head and drive back to the starting point at a fast speed, turn around and make another pass. Because he was driving "back" at a speed exceeding the set point, the system did go into the Transport Lock situation.
In the more normal conditions that I encountered, I only needed to do the Transport Override after road travel.
The first screenshot below shows the Truesight 2 screen. I touch this screen to unlock the system when I get to the field. Hitting the map icon causes this screen to be hidden. Pushing the VT icon causes it to appear to make changes in the feeler system. Normally that would be rare other than unlocking the Transport Lock. This screen is hidden most of the time.
The next picture shows my homemade engage/disengage switch. This is used to engage/disengage the steering with whichever system it is plugged into. Many switch arrangements are possible but I prefer this simple finger push button.
The next picture shows the maze of wires involved with both systems. The feeler system has several unused connectors. Before installation I laid the harness out of a table and used electrical tape to cover the connectors I would not be using. The red connector in the very center of this picture is the connector that gets plugged into the Steady Steer control branch when using the feeler system. Your Ag Leader display harness must be new enough to include the ISO connector. Since I was using a very old display cable with an adapter for my InCommand 1200, I needed to purchase a new display cable. This picture shows the wiring harness spread out for future reference. I was able to bundle it up a bit and somewhat hide it off to the side out of the way.
I am happy with the final outcome of using the Steady Steer motor controlled by the Steady Steer Controller in soybeans and using the Steady Steer motor controlled by the Truesight 2 controller and feeler in corn.
Reply with other questions.
Edited by tedbear 9/20/2024 06:30
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 TruesightSS (full).JPG (84KB - 6 downloads)
TruesightWires (full).JPG (139KB - 4 downloads)
Switch (full).jpg (115KB - 2 downloads)
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Ag leader steady steer and tru sight corn head row guidence
