ST8001 autopilot

[bbydoc]

It is a hydraulic drive 9 years old st1800. Mounted on my 45 ft sportsfisherman hydraulic pump and arm in stern underdeck as well as box and flux compass ( which I replaced new last year) and wiring runs to flybridge. I have a simple control with red auto and off button and gray knob to change course. It unfortunately is in Cabo Mexico and I can not give you serial numbers or part number. It was part of complete system I bought from Raymarine when I built boat new included was the C-series plotter/depth and radar unit. Also included was separate keypad to punch in waypoint to co automatically to autopilot. Worked well for 7 1/2 years of charter fishing. Any help would be greatly appreciated. bbydoc