Posted 2/6/2010 18:23 (#1061542 - in reply to #1061523) Subject: RE: Chevy 4wd troubleshoot, calling Indy?
Did they scan test the system and pull any trouble codes? If the service light came on, it should have stored a code to point to a fault in the system.
I would guess that the switch is bad, fairly common issue on these trucks. I also believe that there are some programming updates for these years for similiar problems.
Let us know what you find.
INDY
Chevy 4wd troubleshoot, calling Indy?
