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1999 GMC Sierra four wheel drive
 

New Watch our new Car Repair Video Series with Ken Lavacot.


Posted at Fri Feb 29, 2008 5:54 pm
By dave rotenberger, New to the forum
Give Feedback | Votes: 0
   
Electrical problem
1999 GMC Sierra V8 Four Wheel Drive Automatic 100000 miles
----------------------------------------------------------------
four wheel drive will not engage. changed actuator and it still won't work. just wondering what else I can check
 
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Find a repair manual for your GMC Sierra Repair Question.
Posted at Fri Feb 29, 2008 5:54 pm
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Find a repair manual for your GMC Sierra Repair Question.
Posted at Sat May 10, 2008 12:14 pm
By Quagmire, Likes cars!
Reputation: 27.3 (27) Give Feedback | Votes: 0
   
If it is push button 4WD, replace the button assembly.
 
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