i didnt know it was a factory option, but the PO had one installed professionally (since i have learned the PO used the term professional rather loosely) . in my 86.
It that truck its mounted just to the bottom of the dash below the stereo in the center, and the antenna is on the roof, radio antennas tend to work poorly.
It that truck its mounted just to the bottom of the dash below the stereo in the center, and the antenna is on the roof, radio antennas tend to work poorly.