I think the switches that are not working for you may be on an accessory fuse which also runs the cooling fans. If the fans rust up, the fuse blows. Check the student references for the electrical diagram for the back.I still have a problem to debug with the rear switches. The idle up switch, front bucket control switch (from the backhoe seat), and the accessory hose switch all seem to not work. The rear work lights and tail lights function, however.