I have a wrecked '97, with a good brain. The 98 i just bought has a wonky PCM, it would seem. It's not affecting the actual running of the car, but my speedo (and therefore odo) dont work, along with a couple of other things (dome lights, power locks, etc). An earlier forum post had me checking out a sensor, that didn't help. Wiring is good. After consulting my Haynes manual, I'm thinking it's some bad connections in my PCM. The question that burns in my mind is would I be able to just toss the other computer in the new car? My instinct is no. Am I wrong?