i have a eo2 code on my komatsu excavator after an engine swap. had on e single wire on the backside fo the engine eith an in line fuse that i can't see where it goes. can someone help me out please. Eddie
ser 1758
Sounds like a fuse was added. Komatsu doesn't use in line fuses so it likely isn't going to show on a wiring diagram.You will have to trace it out.