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Schematic Reference: HVAC Schematics 1 Did you review the HVAC - Go to Step 2 Go to 2 1. Turn ON the ignition, with the engine OFF. 2. Place the blower motor switch in each speed Does the blower motor - Go to Step 3 Go to 3 Does the blower motor - Go to Step 4 Go to 4 Is the HVAC control - Go to Step 15 Go to Step 5 5 Does the Too Hot in Vehicle - Go to Step 6 Go to Step 8 6 1. Start the engine. 2. Place the blower motor switch in the maximum 3. Place the A/C request switch in the ON 4. Place the air IMPORTANT: For A/C compressor operation, -
2007 Hummer H3 2007 HVAC HVAC - Manual - H3
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