motorguide

I bought this trolling motor last year as a spare ,Well I had to put it on today my old one give out about 30 min. into my trip , After I installed it I found that the MOM switch does not work ,anybody have any ideas on how to fix this problem ?:mad:

I have a 3 year old Motorguide 40 with 5 speeds. Speeds 1 and 3 quit working. Can anyone offer any assistance before I take it in for repairs. Thanks in advance.