Service 4WD indicator is on. on 2003 Chevrolet Suburban 1500

My 2003 Suburban Service 4 WD drive indicator is on. There is a red light on.

Asked by for the 2003 Chevrolet Suburban 1500
1 answer
does a 2003 chevy suburban 1500 503l transfer case motor take a 6 or 7 pin.
also is it a 2 position or 4