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| hi I have a problem on 2 tractors NO 1 is a 8420 autotrac ready we have taken the steering system off and pluged in all the wires and it still gives an error ssu so we think that steering sensor on the steeringcolum has failed so we want to get the error off if you move the steering it comes back on please help.NO 2 a brand new 7200R has 12 volt on the negatife side if you test between the negatife and the body earth there is 12 volt I have a spreader on the tractor with agleader system if you put on the lights my rate jumps up and down put it off everything okay this is not normal | |
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john deere 8420
