They are in the technical manual and there is more than one .
As for reasonable cost, the JD technical manuals are dirt cheap for the quality and presentation of the information supplied.
Even cheaper when you look at them as a % of the actual purchase price .
Considering the cost of a technician for a couple of hours to diagnose your mowers problems , the books pay for themselves the very first time they are used.
Unlike other manuals, the JD one will firstly tell you how the wiring works so you know what you are doing.
IT then shows you where every part & connection is on your mower, saving hours looking for where a switch is hidden.
And if that is not enough it will tell you exactly how to test each part and the proper order to test them in to save you wasting hours.
OTOH if there is some one who has paid for a manual and is willing to post the correct one for your mower then they will need the full model & serial numbers in order to post the correct diagram .
I make my living from repairing mowers so the cost of a manual comes off my bottom line but I have no problems with buying a JD tech manual for every model that I service .
If you bought it new from a JD dealer, most will download a copy & print it out for you if asked NICELY for one rather than storming in and demanding one .
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