Radiator fan wiring to a switch help needed

[Sidewayz_610]

I'm trying to run my isis radiator fan shroud kit for my sr20det to a switch on my dash, not trying to run them to any accessory power or anything. I want the fans to be able to run at anytime .

I wired both fans together at the rad. Ran one wire to chassis ground and the other Into the cabin to a fuse holder and then to a switch. Then back to the positive battery post.

They fans worked for alittle but with a 20amp fuse but eventually popped the fuse. I then put a 30amp in and they worked but then the fans stopped working and the wires going to the switch got very hot (I was using about 14 guage wire)
I'm guessing the wire burnt up somewhere between the battery and switch (haven't had time to check yet with crappy weather)

I read that 30amp needs at least 10 guage wire so I was going to rewire everything with 8 guage. Will that work and be safe? I'm very bad at electrical and just wondering if the electrical gurus will approve before I go by wire and rewire it