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Discussion Starter · #1 ·
Good morning everyone. I recently upgraded my 20 series combine for a 9410. I need to connect the Dial-a-matic harness to the combine but I have the 16 terminal connector on the machine, and the 9 pin terminal on the head. I know I could buy the ah128924 adapter from deere, but I would rather retrofit the head harness permanently. I found a connector kit from agritronix that has the connector and terminals. Anyone forsee any issues, and can you confirm that the pin out is as simple as #1-9 in the 9 pin terminal simply moving to terminals 1-9 in the 16 pin connector?
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Yes sir. 1-1, 2-2....9-9. Of course, you have to change the female sockets to male pins, so you will need to cut off each socket and recrimp a pin on. I highly recommend using a good crimp tool, as these terminals are fussy. If you are not experienced at this, your best bet is the premade adapter from either JD or Headsight.
Also, I would personally not get that particular connector - it will work but does not have the flange to mount into a bracket like the OEM. Having the header connector mounted makes it nicer to connect (and more stock) .

Here are the AMP parts you need:
Receptacle, flanged, 16 pos. : 206036-1 (JD part H140664)
Back shell, size 17, std : 206070-8 (?)
Male terminals, gold plated : 66099-4 (R77462)

These are available from any electronics supplier (Mouser, Digikey, Allied Elect, Newark) or can usually be gotten right from your JD dealer too.
 

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Discussion Starter · #4 ·
I finally got around to wiring this. After moving the wires to the new connector, DAM would not work. I scratched my head a little and then found a wiring diagram.. Turns out, on the newer combines with the larger connector, there's a splice in the header harness that routes battery voltage back to power up the DAM circuit board. I suppose this is this way to make sure DAM doesn't activate unless a header is installed.. I installed an extra wire in terminal 11 of the header connector and spliced it into the power wire in terminal 4. Now everything works. I figured I would update this post in case someone in the future sees it, and has the same problem. Happy harvest everyone!

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