...doesnt work but my ac does wh?
hey i have a 1994 gmc 1500 i have a couple of issues well first of all my heater doesnt work but my ac does what could be the problem second there is a like a knocking sound thatcomes on when i turn off the truck and turn it on under the passager dash and also my dash board has cracked is there a way i can get a new one and also my gauges my water temp isnt working at all only when i turn it on it goes all the way up then back to not working and and my speed odometer goes crazy it says am going 80 when am going 40 mph
hey i have a 1994 gmc 1500 i have a couple of issues well first of all my heater doesnt work but my ac does what could be the problem second there is a like a knocking sound thatcomes on when i turn off the truck and turn it on under the passager dash and also my dash board has cracked is there a way i can get a new one and also my gauges my water temp isnt working at all only when i turn it on it goes all the way up then back to not working and and my speed odometer goes crazy it says am going 80 when am going 40 mph