Car (94 Sho automatic) had been running fine. Yesterday got in to go somewhere and the shift lever was frozen in park. The dealership told me about a work around; turn the key until just before the "on" position and the shift lever will unlock, I can then move it to "N" and start the car and it will then drive fine. So it's not a mechanical or linkage problem. Any ideas where to look to solve the electrical side of this problem?