Originally Posted by ls1killer
Sounds odd. If all that shit is working like it should I'd say, before you replace the box,to try and unplug the fan when the car starts to run like shit. It sounds like an electrical problem. I'm running all that 10 year old 95' shit in my car and the shit is so old and brittle. My experience with those relay boxes is that they work or they don't. Sounds like the fan motor is on it's way out.
The guys on stangnet.com think the same thing. I'll check the wiring next weekend while we're in there yanking out the smog pump. We've also got the ever-so-common '94-'95 knocking at WOT issue to deal with too. I think we might just be getting near the time to rebuild this old motor.