2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 181Get this manual
Remove seatIt is recommended to always disconnect the battery when replacing any electric or electronic part(s)Unplug connector V01G24A
V01g24a2.eps
The upshiftdownshift solenoids are installed on shifting valveThis valve is located on the rear part of engine