Why does my GMC Sierra 1500 not work?
Why does my GMC Sierra 1500 not work? While there are a variety of reasons your GMC Sierra 1500 air conditioning won't work, the most common 3 are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor. What will be the outcome of an air conditioning system diagnosis? Why are all the gauges on my GM Truck not working? Last night I was comin home from the store and realized my speedometer wasn't working (ins't the first time) so i hit the dash, then realized NONE of the gauges were working.. Gas gauge,...