Need help with Glentek Servo's

I am hoping that someone out there can help me to find some
information to allow me to test and use a couple of Glentek servo
motors and drivers I bought used. I tried several times to email the
glentek people asking for info and was totally ignored! The two
drivers and power supply are model GA4555-2A-2 and the motors are
GM3320. I have them for sale on ebay now but I would like to be able
to use the units if I can instead of selling them, but without some
user documentation and connection information, I am lost. Thanks in
advance for any and all help. Best regards, Alan Sutton