check 4 wheel drive switch comes on at times

HELLO CHILLICOTHE,OHIO....I USED TO LIVE IN NEWARK UP NORTH OF YOU. SOUNDS LIKE YOU NEED NEW SHOES.CHECK YOUR ADJUSTERS TOO.IF YOU LOVE MUDDIN' MAY HAVE A CHUNK OF THAT RED DIRT IN THERE.YOUR ADJUSTERS WORK EVERYTIME YOU BACKUP.THE SHOES HAVE WEAR INDICATORS THAT SQUEAL IF THEY'RE GETTING WORN OUT,KINDA LIKE AN EARLY WARNING SIGNAL TO LET YOU KNOW.