Truck hard to start

[Drealsandman]

Flood water came up to about 3/4 of frame i had seloinoid on starter repair. The truck will start occasionally with starter fluid it will run for awhile but if I turn on the cruise or fan switch it immediately kill. Any suggestions?

 

[Tazz]

What engine and year?

 

[Drealsandman]

It's a 2000 with 475 Cat