bad solenoid.or solenoid micoswitches..............you have 5 solenoids 5 microswitches, the furthest left solenoid is the master and running to pass. side are your speeds........1st,2nd and so on to 4th.......those 4 solenoids have resistor couild on them so its either the microswitches for 1st and 2nd speed or those 2 solenoids...........follow all the wires up to the silver box with the red end caps and micros are in there........................