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Massey ferguson mf4607 hjm70301

J

Jackie j

Active Member
Joined
Oct 27, 2015
Messages
41
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We have a massey 4607 with some weird brake pedal switch issues. When you depress the pedal the park brake light comes on and the buzzer goes off while in gear. We have replaced the switches and no change. Does anyone have a schematic for this machine? I have ordered a manual from agco pubs but wont have it for several weeks.
 
J

Jackie j

Active Member
Joined
Oct 27, 2015
Messages
41
Location
Us
We brought in an identical tractor and compared voltages and ground signals and everything is the same between the two. Our local dealer says there may be a diode in the harness that has failed and is causing the ecm to think that the park brake is applied. Anyone else have any of these tractors? Ours seem to spend more time at the dealer than they do working....
 
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