HVAC Schematics. Chevrolet TrailBlazer - 2WD 2004

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2004 🢒 TrailBlazer - 2WD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Schematics

Figure 1:	Module Power, Ground, Serial Data, Blower Motor, and Coolant Bypass Valve Master Electrical Component List Air Delivery Description and Operation Compressor Controls B+ Bus - Underhood Fuse Block ACCY/RUN/START, RUN, and START Bus Bars B+ Bus - Rear Fuse Block HVAC I, BRAKE, and TBC RUN Fuses HVAC I, BRAKE, and TBC RUN Fuses LGM/DSM, OH BATT/ONSTAR, RADIO, and HVAC B Fuses Power, Ground, Data Link Connector, and SP205 Rear Mode Controls - Short Wheel Base G201 - 1 of 2 G101, G103, G106, and G110 G102
Figure 2:	Compressor Controls Master Electrical Component List Air Delivery Description and Operation Air Delivery/Temperature Actuators Module Power, Ground, Serial Data, Blower Motor, and Coolant Bypass Valve ACCY/RUN and RUN/START Bus Bars B+ Bus - Underhood Fuse Block IGN E, TBC IGN 1, BACKUP, BTSI, and TRLR B/U Fuses Power, Ground, Data Link Connector, and SP205 G104, G105, and G107 G101, G103, G106, and G110
Figure 3:	Air Delivery/Temperature Actuators Master Electrical Component List Air Temperature Description and Operation Rear Mode Controls - Short Wheel Base Compressor Controls ACCY/RUN/START, RUN, and START Bus Bars HVAC I, BRAKE, and TBC RUN Fuses HVAC I, BRAKE, and TBC RUN Fuses G201 - 1 of 2
Figure 4:	Rear Mode Controls - Short Wheel Base Master Electrical Component List Air Delivery Description and Operation Rear Mode Controls - Long Wheel Base Air Delivery/Temperature Actuators ACCY/RUN/START, RUN, and START Bus Bars Module Power, Ground, Serial Data, Blower Motor, and Coolant Bypass Valve HVAC I, BRAKE, and TBC RUN Fuses HVAC I, BRAKE, and TBC RUN Fuses G201 - 1 of 2
Figure 5:	Rear Mode Controls - Long Wheel Base Master Electrical Component List Air Delivery Description and Operation Rear Mode Controls - Short Wheel Base B+ Bus - Rear Fuse Block LGM/DSM, OH BATT/ONSTAR, RADIO, and HVAC B Fuses G401, G402, and G403 - Except XUV Power, Ground, Data Link Connector, and SP205 G201 - 1 of 2