guyad

Does anyone know anything about Chevrolet 4x4 trucks? I've been having this issue with my 2004 Z71 4x4 for a while now. When you start up the truck the light is suppose to be lit up on on the 2 wheel high button, but sometimes when i start it up none of the lights will light up. Other times it will light up but the dash will say "Service 4 wheel drive". Then when you try to change from 2 wheel high to 4 wheel high it doesn't do anything. Sometimes when i start it up it will work fine. I'm not sure if maybe some water got into something it wasn't suppose to be in a long time ago when i was in the forest. It didn't start doing it till long after i had been in the forest though, so i'm not totally sure that's the issue.

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