All wheel drive will not engage

2000 CHEVROLET ASTRO
181,140 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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JESSE LEW
  • MEMBER
  • 1 POST
Will not engage in all wheel drive.
Feb 17, 2018 at 5:23 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good evening.

I attached a wire diagram for you to view. check the three fuses that power the system to be sure they have voltage on both sides of the fuse. Check out the diagrams (Below). Let us know what happens and please upload pictures or videos of the problem.

Roy
Feb 17, 2018 at 5:48 PM
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