Ok, my 1988 IROC has a serious problem somewhere and I can't figure it out! When I bought the car 3 years agao the wipers, ac, and heater all worked, but they would act strange every once in a while. Sometimes when I would be driving the ac and the wipers (if it was raining) would stop and hesitate. I would push the throttle and they would start up again. Now none of them work. I changed te switch on top of the steering column but it didn't help. This is driving me nuts. Anybody have any ideas what the hell could be doing this?