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2000 GMC Yukon 4 wheel drive doesn't engage

Tiny
JPEG
  • MEMBER
  • 2000 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
My 2000 Yukon XL has a problem with the 4 wheel drive. If the light is not lit you can't switch it from 2 wheel to 4 wheel or vice versa. As soon as the light comes back on you can. Was wondering which part I need to fix the problem?
Saturday, October 3rd, 2009 AT 3:10 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
It sounds like the switch itself; however, I need you to check something. When this happens, check to see if the actuator is getting power. The actuator is the electric motor mounted to the side of the transfer case. First, make sure the electrical plug is tight and clean, and then check for power. If there is no power, you need to check to make sure the switch is getting power.

Let me know what you find.
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Monday, October 5th, 2009 AT 10:43 AM

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