Found the problem. After testing the door ajar switch in the passenger door, we determined that there was a break in the tan/red wire which runs from the switch to the PCM. The tan/red wire looked good at the PCM so we started tracing the wire back. It runs From PCM down under drivers side sill, splits into 3 and continues to passenger and two rear doors. It was ovious once we removed the plastic strip on the sill. Years of Chicago winters allowed enough water to seep past the plastic sill cover and corrode the wires where they split from one to three. It was green from the copper oxide. Trimmed back the wires, soldered them back and covered with heat shrink. Everything works again.