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4 wheel drive not working

Tiny
WAYNEB1
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 1,900,000 MILES
I have shift on the floor 4 wheel drive. When I engage the 4 wheel drive it does not engage. The light does not come on. I replaced the actuator and verified it does work. The drive shaft to the front differential does lock up as it should. When I shift to 4 low it works as it should just no 4 wheel drive. All fuses are good.
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Saturday, November 28th, 2020 AT 5:47 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
Can you please see if there is power at the 4wd and Illumination fuses in the interior fuse panel? this guide can help with the fuse locations and the transferase wiring so you can see how the system works diagrams below:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
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Sunday, November 29th, 2020 AT 9:38 AM

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