Three problems related to turn signal switch have been reported for the 1998 Ford Explorer. The most recently reported issues are listed below.
When activating turn signals there is a cranking sound, signals will only work intermittently. . The dealer replaced the multi function switch.
Consumer experiencing signal lights failure. Whenever consumer engages turn signal the switch disengages by itself before turn is made. Dealer notified and replaced the parts. Condition still unresolved.
The turn signal control when first activated will not lock in place to indicate the turning direction unless the steering wheel is moved in the opposite direction, dealer is aware of defect and says that it is a poor engineering design. Nlm.