engaging 4wd and back to 2wd

1996 GMC JIMMY
95,000 MILES • 6 CYL • 4WD • AUTOMATIC
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MICHAELJWILLIAMS
  • MEMBER
  • 2 POSTS
1996 jimmy 4wd low miles.. the 2wd and the 4wd buttons how and when to engage and why will the light not stay on. is there a sequence to do this.. running, stopped, neutral , in gear, etc.
Nov 29, 2010 at 11:07 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
The vehicle has a shift on the fly set up. You can shift from 2wd to 4wd high while moving or stopped. I would recommend being under 30 MPH when shifting. Is the 4wd engaging?
Nov 30, 2010 at 5:15 AM
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MICHAELJWILLIAMS
  • MEMBER
  • 2 POSTS
no it did at first but he said it doesnt seem to engage.
Nov 30, 2010 at 10:49 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Okay, if the 4wd won't engage, then you need to start by checking for power at the actuator on the transfer case. Do that and let me know what you find.
Dec 1, 2010 at 3:15 PM
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