Hi Ben,
There were a number of control panels fitted to our 1995 caravans, and I'm afraid our information is limited.
If the "hole" where the control panel was fitted is the original size, it may help to narrow the panel use.
If the hole is rectangular, and upright, then the panel was a Plug-In Systems PMS7 system, and the panel would have been a PMS7-GL (basic), PMS7-GT (with water level sensor for the on-board tank) or a PMS7-GX, with a battery condition meter.
If the hole is almost square, it would have a KT9CSU control panel.
I hope that helps.
Ash