Need free diagram Yamaha 2000 grizzly 600 wiring harness?

On a grizzly 600 year 2000,

When the oil get hot the oil light comes on, the fan don't work and when i put it in neural it starts the starter. It's a automatic, when you turn it off with the key you have to put it in neural, you turn it on the green light comes on it is in neural, It shouldn't start the starter normally but it does?????????????? Please Help