GM Service Manual Online
For 1990-2009 cars
Makes 🢒 Chevrolet 🢒 2004 🢒 C-Series Medium Duty Truck C6/7/8 - Mexico 🢒 Brakes 🢒 Antilock Brake System 🢒 HVAC Component Views
Figure 1:

Heater Controls, Rear View
Object Number: 690426 Size: MF
(1)Heater Control
(2)Blower Motor Switch
(3)Heater Control Lamp
(4)Blower Motor Diode Module
(5)Heater Control Lamp
Figure 2:

IP Harness to Blower Motor, Left Forward View
Object Number: 689513 Size: MF
(1)Blower Motor Resistor Assembly
(2)Blower Motor C2
(3)Blower Motor C1
(4)C220
(5)Instrument Panel
Figure 3:

HVAC System
Object Number: 1430298 Size: LF
(1)Air Temperature Actuator
(2)Mode Actuator
(3)HVAC Control Module
(4)C204