Connection diagram of lubricating pump

Dear All,
I have a milling OKK MHA800 use FANUC 15M,Last week the lubricating pump which use to lub the slide ways is not working.I bought one lubricating pump, maker :LUBE Coporation ,model :AMO-II-150S from eBAY ,unfortunatly its terminal connection for wiring is not identical with the old one and there are not the terminal connection diagram on the backside of the terminel cover.
The terminal connection label : (from left to right) X Y G A B H J I K L M . I don't know the meaning of these labels. I trying to load the manual of the AM0-II-150S from THE LUBE website but the terminal connection diagram is quite difference my pump .
Can anybody help me wiring the lub? I attach here the picture of the terminal connection
Best regards