HVAC Schematics. GMC Truck TopKick C-Series (Crew) C6/C7/C8 2004

GM Service Manual Online

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2004 🢒 TopKick C-Series (Crew) C6/C7/C8 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Schematics

Figure 1:	Heat Only Master Electrical Component List Air Delivery Description and Operation Blower Controls (C60) B+ Bus Bar Ignition Switch - RUN and ACC/RUN Bus Bars AXLE/4WD, BRAKE, CHASSIS, and HTR/AC Fuses/Circuit Breakers Interior Dimming Lamps System G103 - 1 of 2, G105, and G106 G103 - 1 of 2, G105, and G106 G103 - 1 of 2, G105, and G106 G200, G202, and G203 - 1 of 4
Figure 2:	Blower Controls (C60) Master Electrical Component List Air Delivery Description and Operation A/C Compressor Controls (C60) Heat Only B+ Bus Bar Ignition Switch - RUN and ACC/RUN Bus Bars AXLE/4WD, BRAKE, CHASSIS, and HTR/AC Fuses/Circuit Breakers Interior Dimming Lamps System A/C Compressor Controls (C60) G103 - 1 of 2, G105, and G106 G103 - 1 of 2, G105, and G106 G103 - 1 of 2, G105, and G106 G200, G202, and G203 - 1 of 4
Figure 3:	A/C Compressor Controls (C60) Master Electrical Component List Air Temperature Description and Operation Auxiliary Controls (C36) Blower Controls (C60) Ignition Switch - RUN and ACC/RUN Bus Bars A/C COMP, HTD FUEL, PCM-B, and RR DEFOG Fuses AXLE/4WD, BRAKE, CHASSIS, and HTR/AC Fuses/Circuit Breakers Blower Controls (C60) G100 (L18) G100 (LB7) G100 (LG4) G100 (LG5)
Figure 4:	Auxiliary Controls (C36) Master Electrical Component List Air Temperature Description and Operation A/C Compressor Controls (C60) Ignition Switch - RUN and ACC/RUN Bus Bars BATT/HAZ, HAZARD, PWR ACCY, STOP, and TRLR TRN/HAZ Fuses/Circuit Breakers AXLE/4WD, BRAKE, CHASSIS, and HTR/AC Fuses/Circuit Breakers BATT/HAZ, HAZARD, PWR ACCY, STOP, and TRLR TRN/HAZ Fuses/Circuit Breakers G102 - 2 of 2