i just got my 89 cherokee but it gets hot the secondary fan isnt coming on at all i read on here in my search that if u turn on the ac it will come on no matter what but i tried that turns out nothing in the middle of the dash works heater,ac,radio this is my first jeep what could cause all that i do have guages and dash lights by the speedo like the brake ,oil but when i bought it the heat idiot light never came on got home it was smokin hot coolant level is good i also have another question wheres a good place to get an aluminum valve cover for my 89 4.0