Technician a Says That When the WT Digital Display (DD)is

Multiple Choice

Technician A says that when the WT digital display (DD) is blank,the reason could be a problem in the electrical circuit to the shift selector.Technician B says that when the WT DD is blank,the data link may have failed.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B