Re: 01 tahoe "Service 4wd" light turning on.
I knew what the problem was within 3 seconds of sliding the creeper under the truck. the transmission has been replaced with a new one before i we got the truck . Apparently they didnt think to hook up that front speed sensor because the plug was just hanging there. I had a new delco sensor there that i had bought for 25 bucks , i went ahead and put it in because the old one was packed full of mud and ice . no sence in doing it twice for 26 bucks.
Thank you for all the help , it is GREATLY appreciated.
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