Two problems related to high/low beam switch have been reported for the 1998 Jeep Grand Cherokee. The most recently reported issues are listed below.
Recall campaign 04v086000 concerning low beam lighting: consumer has recall repairs performed less the 4 month ago, and the problem recurred with the low beam lights failing again. Dealer had been notified.
Dimmer switch would fail to work properly when in use to dim from bright to low. Entire panel would go out completely. Then, a few seconds later would come back as bright as ever. Been to dealer to get a dimmer switch part and to have an independent mechanic replace it.