Welcome Visitor! Please take a few seconds and 
- Joined
- Jan 2, 2001
- Messages
- 8,001
- Reaction score
- 18
- Age
- 41
- Location
- Lancaster, Ohio
- Vehicle Year
- 2016
- Make / Model
- Chevy 3500HD
- Engine Type
- V8
- Engine Size
- 6.6L
- Transmission
- Automatic
- 2WD / 4WD
- 4WD
- Total Lift
- 5"
- Tire Size
- 35"
The electronic 4WD on these things is not the most reliable system ever to be invented, but is usually fairly easy to fix and get it working again.
Below are some links to help you get started on determining where the problem on yours is.
Cleaning and rebuilding the shifter motor
http://www.therangerstation.com/tech_libra...eshiftmotor.htm
Cleaning the motor's sensor contacts ('95up)
http://www.therangerstation.com/forums/showthread.php?t=89
Cleaning & diagnosing (specific to '94down motors):
http://www.therangerstation.com/forums/showthread.php?t=90
Step-by-Step system diagnosis ('94 & down)
http://www.therangerstation.com/forums/showthread.php?t=97
Diagnosing the 4WD controller module
http://www.therangerstation.com/forums/ind...showtopic=11790 (dead link, have to fix later)
Intermittent (or no) 4-LO on '95up systems (2HI-4HI & back, fine)
http://www.therangerstation.com/forums/showthread.php?t=98
Blinking 4WD lights (no operation) '95up system
http://www.therangerstation.com/forums/showthread.php?t=100
.
Below are some links to help you get started on determining where the problem on yours is.
Cleaning and rebuilding the shifter motor
http://www.therangerstation.com/tech_libra...eshiftmotor.htm
Cleaning the motor's sensor contacts ('95up)
http://www.therangerstation.com/forums/showthread.php?t=89
Cleaning & diagnosing (specific to '94down motors):
http://www.therangerstation.com/forums/showthread.php?t=90
Step-by-Step system diagnosis ('94 & down)
http://www.therangerstation.com/forums/showthread.php?t=97
Diagnosing the 4WD controller module
http://www.therangerstation.com/forums/ind...showtopic=11790 (dead link, have to fix later)
Intermittent (or no) 4-LO on '95up systems (2HI-4HI & back, fine)
http://www.therangerstation.com/forums/showthread.php?t=98
Blinking 4WD lights (no operation) '95up system
http://www.therangerstation.com/forums/showthread.php?t=100
.
Last edited by a moderator:
