ANSWERS: 1
  • Now this is just theory because I own an 83, but somethings never change with GM. :) Try taking out the vents in your dash that channel the airflow for your heater and climate control. Often GM will hide bolts behind these and they should popout-pop in. There may also be vents on the top of the dash for defrosting of the windshield. Look under these as well. Good luck!

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