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I have a 9770 that the dealer just swapped 4WD from 07 9760 last week, and now when 4WD is engaged in high and you either turn right or get on the hydro a little it automaticaly shifts to low speed 4WD and then sends an error code( cc#204 left motor high refer to diagnostics and repair) I've called the dealer but have got no reply as to why it is doing this, any suggestions maybe a hose in the wrong spot? they say it has been calibrated also. TIA Azcutter
 

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Re: 9770 4WD

sounds like you have a pinched wire. if your high and low work correctly part of the time, that means that the hoses are good
 

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Re: 9770 4WD

I seen this some time ago and finally found it, hope this helps.


Number: 79373

Solution Summary: Can the Four-Wheel Drive Motors Be Swapped from a 60 Series Combine to a 70 Series Combine?

Publication Date: Jan 18 2008


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**Paper copies of solutions may not be the most current solutions**

Complaint or Symptom :
Customer has traded in a 60 Series combine for a 70 Series combine and would like to move the four-wheel drive motors to the 70 Series machine. Can this be done?

Problem or Situation :
There is no information in the Ag Sales Manual that talks about this conversion.

Solution :
Four-wheel drive bundles, BH90115 and BH90116, can be transferred to 70 Series machines with a few additional parts.

Quantity
Part Number
Description

1
AH220122
70 Series 4WD Harness

1
AH226745
Case drain hose (Replaces AH153932)

1
AH225307
Forward pressure hydro hose (9670–9870 Only)


The following cab address will need to be changed to show that the Four-wheel drive option is install. , CAB 113 - _ X X X X n X X DISPLAY/MODIFY: Four wheel drive option 0 = Disabled 1 = Enabled

Instruction, H206890, can be downloaded from the Field Installation Instruction website for assistance with hose routing.


Additional Information :
The parts listed above are now included in bundles, BH90115 and BH90116.


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9770STS, 9570STS, 9560iSTS, S690, S560, 9660STS, 9860STS, 9670STS, 9880STS, 9760STS, 9870STS, 9880HM, 9560STS


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REAR, POWER, MOTOR, ASSIST, PTS, AH226745, AH153932, H206890, AH228793, AH225307, BH90115, BH90116, COMB PT, 5956, 5955
 
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