No plug under dash with trailer package
1995 dodge ram 2500 with trailer package without plug under dash. PDC has relay and fuse. Rear of truck has 7 point plug. Window sticker show trailer Tow Prep Package- Class IV Platform Hitch-HD Flasher & 7-Pin Wiring Harness for $242. Brake switch has 6 wires. Can't find trailer tow electric brake feed or +12 Volts Battery feed.