GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 Seville 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 HVAC Component Views
Figure 1:

HVAC System Sub-System
Object Number: 825708 Size: LF
(1)Air Temperature Sensor -- Inside Connector
(2)Air Temperature Sensor -- Inside
(3)S275
(4)S274
(5)S278
(6)Recirculation Actuator
(7)Blower Motor Control Processor
(8)Blower Motor
(9)C203
(10)Air Temperature Actuator -- Right
(11)Blower Motor Auxiliary
(12)Blower Motor Resistor Assembly -- Auxiliary
(13)Mode Actuator -- Auxiliary
(14)Sunload Sensor -- Left (Right Similar)
(15)Sunload Sensor -- Left Connector (Right Similar)
(16)A/C Refrigerant Pressure Sensor Connector
(17)A/C Compressor Clutch Connector
Figure 2:

Passenger Compartment, Right Side Below the IP
Object Number: 154428 Size: LF
(1)Recirculation Actuator
(2)Blower Motor Control Processor
(3)Blower Motor
(4)C203
(5)Dash Integration Module (DIM)
(6)Air Temperature Actuator-Right
(7)S275
(8)S274
(9)S278
Figure 3:

Passenger Compartment, Below the Center of the IP
Object Number: 154437 Size: LF
(1)Blower Motor -- Auxiliary
(2)S322
(3)Mode Actuator -- Auxiliary
Figure 4:

Passenger Compartment, Below the Center of the I/P
Object Number: 154434 Size: LF
(1)Auxiliary Power Outlet
(2)C304
(3)C312
(4)Blower Motor Resistor Assembly -- Auxiliary
(5)Cigar Lighter
(6)Ashtray Lamp