GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Chevy C Cab/Chassis HD (GMT 400)
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 HVAC Component Views
Figure
1:
HVAC Control Assembly - without A/C
(1)
White Tape-Mode Cable
(2)
Orange Print-Temperature Cable
(3)
HVAC Control Assembly - C2
(4)
Orange Dot-Temperature Control
(5)
HVAC Control Assembly - C1
(6)
Mode Selector
(7)
Temperature Control
(8)
Blower Speed Selector
Figure
2:
G202, G203, C203, C230, and HVAC Blower
(1)
High Speed Blower Motor Relay
(2)
G203 - 2 wires
(3)
G202 - 1 wire
(4)
HVAC Module
(5)
C230
(6)
Blower Motor Connector
(7)
Engine Harness
(8)
C203
(9)
Blower Motor Resistor Assembly
Figure
3:
HVAC Mode and Temperature Door Motors
(1)
Blower Motor Resistor Assembly
(2)
Blower Motor
(3)
Blower Motor Connector
(4)
C230
(5)
C203
(6)
C204
(7)
Air Temperature Actuator
(8)
HVAC Plenium
(9)
Mode Actuator
(10)
HVAC Wiring Harness
(11)
High Speed Blower Motor Relay