GM Service Manual Online
For 1990-2009 cars
Makes 🢒 Chevrolet 🢒 2005 🢒 C-Series Medium Duty Truck C6/7/8 - Mexico 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Schematics
Figure 1:

Blower Control
Object Number: 1430295 Size: FS
Master Electrical Component List
Air Delivery Description and Operation
Air Delivery/Temperature Control
B/U and IGN 3 Circuit Breaker (1 of 2)
G210, S204, S216, S245
Figure 2:

Air Delivery/Temperature Control
Object Number: 1430297 Size: FS
Master Electrical Component List
Air Delivery Description and Operation with A/C
Blower Controls with A/C
Blower Controls without A/C
B/U and IGN 3 Circuit Breaker (1 of 2)
G210, S204, S216, S245
Blower Controls with A/C