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ding mower w/o elec PTO and electronic control board, has four Bosch type relays in control circuits. The only wiring info I can find is on the JD site which shows wiring harness only. Need wiring or schematic diagram to trouble shoot starting problem. Found one in line diode that did not read good and jumped out , problem solved. Almost!!!Got a new diode from JD store and put in line, same problem. Put jumper in again, all works well. With a schematic, I could determine if the diode was an essential device and if not could be jumped out. Oh for the lack of a diagram. Tom
 

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diodes are usually in the harness for a reason. mosy likely to prevent electrical feedback to the ignition module.which will burn it out. you have to be sure to install it correctly. sorry i cant help with the wiring diagram at this time but i,ll help you look :wave:
 
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