While driving mule dies out like key had been turned off. I put in neutral but no GlowPlug light or Nothing anywhere getting power. I took ignition/key switch is ok, power to 50Amp main Fuse getting power and all connection from battery good... WHAT could not be allowing power to anything?? never seen anything like this.. no accessories getting power.. checked all fuses replaced the 30amp main fuse (white wires) but still nothing .. traced all cables______nothing and all connected.. Would a relay cause everything to be dead?? or sensor??

 

My 2510 diesel done the same thing Quit on me while driving and all electrical dead except horn. Need help on this!