× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: john deere 4255 farm tractor, No power to A/C
Posted to HVAC Forum on 7/14/2015 3 Replies

[...trimmed text...]

John Deere dealer let me look at the wiring diagram. Relay K3 has a fixed ground on the coil at all times. For some reason this ground is no longer there. Need to pull the fuse/relay circuit board to... Login to read more.

3 Replies Received (View Replies)