Relay Enclosure

I was cruising the yard a little while back and ran across a power distribution block from a caravan, seemed to have a removable back and a fairly square box. I'll see if I can find a pic...

similar to this
http://cgi.ebay.com/ebaymotors/CHRY...ptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories