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1030 header height case 2388

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#1030 #caseih #header #2388
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729 views 4 replies 2 participants last post by  Michalkubi  
M
#1 ·
Hi,
I recently purchased a Case 2388 x clusieve 2004 year combine harvester with a case 1030 header. I have trouble with the wiring of header height system, I’m unsure that the harness is corretly connected.
I’ve found so far that one of the plug header-combine plug includes orange, brown and dark blue wires( it comes frome the side sensors electrical connector number 81 in diagram) it will be field tracker i guees
The second plug must provide power and 0 to the ECU with part number 2712E278 187352A2
There is also one light blue wire that was connected- from the ECU to combine plug which was connected to B in deutsch plug. From the combine side comes 3 light blue wires. Should I will connect the remaining to wires somwhere as well?
As for the ECU wiring on the green conector
Pin 1 green(duplicate power supply from red)
Pin 2 light blue
Pin4 white/black ground or signal 0
Pin 7 red(power I guess)
Pin 2 4 and 7 goes to header plug and continue to combine( from combine side there are 3 light blue wires)
On the lower gray connector:
Wires from the header sensors
I don’t know where connect 3 light blue wires from the combine.
in the combine i have error S1 HDR - that means that the header height system is not connected
I d really appriciate any help 😁
The header is from 2004 year i found that before 2002 ECU has got number 187352A1 and maybe in older version will be 3 light blue wires
 
#2 ·
Hey, without looking any of the details up, it sure sounds like you have the "backdate" controller package on the 1030 header. 1020 headers did not have any controller, it was wiring only. The 1030 head was not a common USA header, but it sounds like it might be similar to the 2020. I am attaching a PDF of the backdate kit, in case it is applicable. Its a crappy scan, but all I have. Here are some data points:

  • This backdate kit is CRAP.... I hate those things because they screw up the combine wiring. Note that the A & C wires on the 3 pin are supposed to route to the Self center pot - which is NOT stock.
  • The 3 pin Grey plug is Height - A -is low rail (~1V), B is height signal (~2V smashed on the ground, ~6V in the air), C is high rail (~7V). It is designed to connect directly to a single pot on the header. These wires are not capable of powering a controller....only connecting to a pot.
  • The 5 pin Grey plug is normally Field Tracker (tilt) - pins A-C. CIH adds a separate 12V to pin D, ground to pin E for the attached backdate kit. If your combine does not have pins in those locations - you need to add the 12V & Ground before the on- head control module will work at all. Very common for dealers to sell heads/combines that were not matched before and parts like this to not be considered.
  • The 21-2588 combines need to see a current load (resistance) between the 3 pins on the Height plug (3 pin round). That is how they decide if there is a header attached with a height sensor (pot). Without those wires connected to a pot sensor on the header, (or the self center pot on the throat) - you will get that S1 error.
  • You can "trick" it by making a jumper harness with a 2 KOhm resistor from A to B, and one from B to C. Then as long as the B wire has the correct voltage (~2V smashed on the ground, ~6V in the air) it will work.
I could go into great detail about the conversion system....but until I know if thats really what you have, it may be irrelevant.
 

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