HVAC Schematics. HUMMER H2 2003

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 HUMMER 🢒 2003 🢒 H2 🢒 Body and Accessories 🢒 Wiring Systems 🢒 HVAC Schematics

Figure 1:	Power, Grounding, DLC, and Blower Control Master Electrical Component List Air Delivery Description and Operation Mode and Recirc Controls, Front Defrost and Rear Defog Controls ACCY/RUN/START, RUN, and START Bus Bars, CRANK Fuse BRAKE, 4WD, CRUISE, HVAC I, and IGN 3 Fuses Mode and Recirc Controls, Front Defrost and Rear Defog Controls PCMB, TREC, IPC/DIC, TBC BATT, SEO B1, SEO B2, and HVAC/ECAS Fuses B+ Bus CKT 1050, S203, S215, S302, S303, and S351 Power, Ground, DLC, and Splice Pack SP205 G200 G200
Figure 2:	Mode and Recirc Controls, Front Defrost and Rear Defog Controls Master Electrical Component List Air Delivery Description and Operation Temperature Controls and Sunload Sensors Power, Grounding, DLC, and Blower Control Power, Ground, DLC, and Splice Pack SP205 Power, Grounding, DLC, and Blower Control BRAKE, 4WD, CRUISE, HVAC I, and IGN 3 Fuses Temperature Controls and Sunload Sensors Temperature Controls and Sunload Sensors
Figure 3:	Temperature Controls and Sunload Sensors Master Electrical Component List Air Temperature Description and Operation Air Temperature Sensors Mode and Recirc Controls, Front Defrost and Rear Defog Controls Mode and Recirc Controls, Front Defrost and Rear Defog Controls Power, Grounding, DLC, and Blower Control BRAKE, 4WD, CRUISE, HVAC I, and IGN 3 Fuses Mode and Recirc Controls, Front Defrost and Rear Defog Controls Power, Ground, DLC, and Splice Pack SP205 Mode and Recirc Controls, Front Defrost and Rear Defog Controls Mode and Recirc Controls, Front Defrost and Rear Defog Controls
Figure 4:	Air Temperature Sensors Master Electrical Component List Air Temperature Description and Operation Air Conditioning Compressor Control Temperature Controls and Sunload Sensors CKT 1050, S213 and S301 CKT 1050, S213 and S301 CKT 1050, S213 and S301 CKT 1050, S203, S215, S302, S303, and S351 CKT 1050, S203, S215, S302, S303, and S351
Figure 5:	Air Conditioning Compressor Control Master Electrical Component List Air Temperature Description and Operation Air Temperature Sensors B+ Bus SEO IGN, SIR, and IGN E Fuses Power, Ground, DLC, and Splice Pack SP205 G104 and G106