2004 GMC Envoy electronic dash problems

  • 2004 GMC ENVOY
  • 6 CYL
  • 4WD
  • 127,000 MILES

I have been having to jump my car lately every couple days the alternator is fine and when I jump it the dash board goes crazy on me flashing all check engine lites 4wd abs ect as well as my spedomiter and gas and oil presser gages not working I pluged in a diagnostic machine and got no code it drives and runs but cant figure out the problem I also looked for a loos groung and possibly blown fuse and nothing. Please help its driving me nuts thank you

Do you
have the same problem?
Thursday, February 27th, 2014 AT 1:41 PM

1 Reply

  • 26,853 POSTS

Please use some punctuation, otherwise that huge sentence can be misread a number of ways. What does "nothing" mean"? Nothing works? Nothing is wrong? How did you determine the generator is okay? Did you have it tested with a professional load tester? If so, what were the results for output current? How old is the battery?

Please consider a donation to help us answer more questions.
Was this
Thursday, February 27th, 2014 AT 5:58 PM

Please login or register to post a reply.

Related Dashboard Light Questions

Help us by donating