The CartManager XD units were built with two different model controllers.
XD
Shown on left is the CartManager XD with the Controller P/N:
E500126-03 DISCONTINUED! Replacement part is
Controller P/N: E500126-23 (this is a KIT).
XD
Shown in the photo on left, the XD with the Controller P/N:
E500126-13.
Note: This electronic board has a contactor!