4x4 Problems
55

Asked by John176 Dec 05, 2007 at 09:25 PM about the 1994 GMC Sonoma 2 Dr SLS 4WD Extended Cab SB

Question type: Maintenance & Repair

Driving in the snow the other day and I went to put it in 4x4 but it did not engage. Indicator lights were not lit on any selection as well (2hi, 4hi, 4lo). Pulled fuse to check for problems and didn't see any apparent problem and replaced. 2hi light came back on but still will not engage 4hi or 4lo. What should be the recommended process to check for problems? Thanks for your help.

John J

6 Answers

papa answered 16 years ago

take out battery,and battery tray.will see a cable going to acuator check for crack,s or torn rubber,if so replace acuator,ps dealer item only.these 4x4 work by cable.

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skatergirl2011 answered 13 years ago

I tryed that on my step dads truck and that was not the problem and I have no other idea of what could be wrong. And I am starting to think it's the transfor case

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Dylan answered 13 years ago

It could be a bad ecoder/shift motor. If its not the accuator... Or the switch on top of the transfer case.

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skatergirl2011 answered 13 years ago

I just text my mother to let her know about that tip I am hoping that it will help fix this problem cause he needs his trucks 4x4 for his job and it's been out for 6 months

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Guru5Y26S answered 6 years ago

Selection switch wires may be loose, mine would do that moved electrical plugs until light came on, but if it goes out while engaged u almost have to stop to let it e ngage. Check selector switch top plug is for high to 2wd bottom is for low 4wd

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