First off, I only have high and low speeds for my fan. I all > ready put > in a new switch and it worked in all the speeds for a couple > months and > then right back to only high and low. The guy at the dealers > parts > department told me that there is some sort of regulator or > something on > my firewall that is the problem here. Although he never heard > of this > problem allowing low speed. And definately not working just > by > installing a new switch. >

What do you think? >

My main question here is that when my AC is on high, most of > the time > it blows out great. But sometimes, after the truck has been > run for a > while, it doesn't really come out at all. The blower is still > on high, > you can hear that, but no air coming out, anywhere. > Is there some sort of trick here? Is my truck just f..king > with me? >

I am planning a trip from Michigan to Texas around Labor Day, > for 5 > days, and I need that AC blowing great, consistantly cold. >

What do you think about this? >

-Tim >

(Sometimes I wish I never would of bought this truck.)