New answers tagged 4wd
I'm not sure you have enough information here to go on. My best advice to you is, fix the wire and see if it fixes the problem. The wire needs to be fixed anyway, so fix it.
I think I'd agree with you about the longevity of the current transmission. It sounds like it's slipping. A transmission shop might diagnose a bad solenoid or something which could be allowing the transmission to slip. Unfortunately, your Yukon came with the 4L60e transmission, which is a weak tranny for what it is required to do. It really is the weak ...
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