I did some digging in an attempt to locate replacement connectors for
the perimeter wire and found these sources.

At
http://store.yahoo.com/mastergardening/too-8029.html
or
http://store.yahoo.com/mastergardening/tools--equipment----watering-
lawn-mowers-robomower---accessories.html
or
http://www.mastergardening.com/tools--equipment----watering-lawn-
mowers-robomower---accessories.html

Mastergardener.com sells a kit of 3 wire splices and 2 connectors for
$14.00. The above three sites are all the same, just 3 different
routes.

An Asian company named Dinkle makes the connectors. International
Connector in Venice, Florida distributes them in the US. The good
news is that they are only 61 cents each. The bad news is that there
is a $25 minimum, so you would have to buy 41 connectors. Maybe
someone wants to get into the resale business. The part number (I
think) is 2ESDV-02P. HOWEVER, I have not ordered them, so I do not
guarantee the part number. They may be contacted at (941) 488-2696,
ask for Jim Steranko.

Terry Veldhuizen