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4x4 not working
Update.... now working. It's fixed!!! Took advantage of the breaking in the weather yesterday and worked on it. Started checking the wiring again everything looked good so I decided to replace the shift motor. Put it back together kept my fingers crossed started it up no Service 4wd light and I...- BigBoomer
- Post #11
- Forum: Engine & Drivetrain
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4x4 not working
Thanks sunlit, I really appreciate the help. I think I will try to go through it this weekend. Of course we are going to get snow on Sat so we'll see how it goes. Any other info you have on it would be great. Like I said Thank You very much for all the data and help you have given me so far...- BigBoomer
- Post #9
- Forum: Engine & Drivetrain
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4x4 not working
Ok just got home from getting the codes read. They are co308 and co323. Not sure yet but I think it is pointing to the transfer case encoder motor. I am going to check the wiring harness that leads to the tcase motor first to make sure there are no broken wires. I'll keep you posted.- BigBoomer
- Post #5
- Forum: Engine & Drivetrain
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4x4 not working
Opps forgot to mention in my last post. I have checked all the fuses none are blown. The truck has never been in accident that I know of so there is no damage to the front axle. The truck has 190k on it, but the engine only has about 60k. The noise it was making last winter sounded like it...- BigBoomer
- Post #3
- Forum: Engine & Drivetrain
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4x4 not working
4x4 not working(update now working) Hello, I have read through all the 4x4 posts I could find and I don't see any that answers my problem. Let me start off with what was happening last winter. Oh BTW I have a 99 GMC suburban with the auto 4wd transfer case. Last winter when I would put it in...- BigBoomer
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- Replies: 15
- Forum: Engine & Drivetrain
