Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.working after noon till just after midnight.
With the key in the run position does the instrument cluster power up?
Will the vehicle start?
So while the vehicle is running, do the gauges work, does the HVAC work?
I already know the warning lights, radio, 3 power windows do not work.
Okay lets go after the radio first. Here is the diagram. https://dl.dropboxusercontent.com/u/90220402/maliburadio.pdf
Is the radio fuse good and powered? Can you remove the radio and confirm it is getting power and ground?
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Do the windows work when the car is running?
At the ignition switch test the brown wire for battery voltage with the key in the run position. If there is power and everything works in the RUN position but but things do not run in the in the ACC position. This indicates the BCM is faulty.
Hello again Chris here,
Thanks for keeping in touch.