Zetor 5211, I desperately need a Wiring Diagram, can u help

[thepitman1]

I am working on my bosses personal Zetor 5211 tractor, the tractor has some serious electrical issues, it is back feeding voltage everywhere[/], is this a known problem, and is it easily fixed, any help will be appriciated[/], I have tried just about everything short of removing the complete wiring harness and starting over, I am not a tractor mechanic, nor do I have a strong knowledge of them, I am a motorcycle mechanic, and this is not something that I would run into on a regular basis,[/] I am at my wits end here and would like any bits of advice that would be helpful.