the phone power cord is behind the center console. Pull off the carpeted side panels in either foot well and reach around in there. It looks like a flat 4 wiring harness for trailers except the pins are all female (MY97 and maybe MY98 only had 3 wires/pins). In this picture, the leather side panels to the center console are also taken off but you don't need to in order to reach the phone power cord - just the carpeted ones.
Might be taped/velcro'd to the floor dead center. Here's my generic wiring diagram of it. Radio Shack used to sell the exact size male bullet connectors to fit but I don't think they do any more. So, you can either modify (trim) some slightly larger ones to fit in it, use some 3M splice tap connectors (as shown in my schematic), or cut the plug off completely and use butt splices.
