After further searching I found a DIY repair for only a few $ by replacing the 3 individual resistors rather than buying a whole new part from ripoff central :honda:
http://forums.g2ic.com/showthread.php?58253-A-C-Switch-Fix-(resistors)Quote:
LO - M1 = 2.2 Ohms
M1 - M2 = 1.5 or 1.6 Ohms
M2 - HI = 1.0 Ohms
Will probably be of use for others sooner or later as its a common fault apparently :thumbsup: