2006 GMC ENVOY, NOTHING OFF KEY BUT GETS BETTER!!
KEY OUT OF IGNITION, ONE HEADLIGHT, ONE WASHER PUMP RUNS.
KEY TURNED TO CRANK, NO DASH CLUSTER, POWER TO SWITCH AND
DOWN FROM SWITCH, STEREO BUT NO SOUND, ALL SEATS, WIPERS
SIGNALS FUNCTION. CHGANGED BCM, DIDN'T HELP...... ANY IDEAS??