2003 Hummer H2 a/c heater control

2003 HUMMER H2
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HW2500
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Air Conditioning problem
2003 Hummer H2 V8 140000 miles

control unit in dash seems to be shorted out. only some digital images appear. NO CONTROLS work at all. Hot air coming from drivers floor area and from upper defrost. Its summer and heat is high and cant get replacement control part til early next week Any way to shut heat off or at least turn heat into cool air? bypass anything at all? I'm pretty adept at wiring etc and willing to take any chance to cut that heat off. Its miserable.
Aug 28, 2009 at 12:48 PM
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DR LOOT
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Take a pair of needle nose Vise-Grip, and clamp off the heater hose going into the firewall. That should stop the hot water from going into the vehicle.
Oct 30, 2009 at 8:04 PM
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