I just changed the iac on my 97 expy. I have a kb blower kit so this was not in the stock location. I think the iac may have been on backwards. Is the pre-throttle body hose supposed to go to the bottom of the iac(port furthest away from electrical connector) or the top?

 

First off, why dont you give us some information: Year, engine, body style, etc. I'm not sure why this isnt in the supercharged or engines section as this forum is for body-specific things.

 

Truck is a 1998 ford expedition with a 5.4L.