GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1998 🢒 Grand Prix 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 HVAC Component Views
Figure 1:

Lower Right Front of Engine (w/RPO L36,L67)
Object Number: 305309 Size: LF
(1)A/C Compressor Clutch
(2)A/C Compressor Clutch Coil Connector
(3)A/C Compressor
Figure 2:

A/C Compressor -- Lower Right Front of Engine
Object Number: 327373 Size: LF
(1)Crankshaft Position (24X) Sensor
(2)Bank 1 Knock Sensor (KS)
(3)Engine Oil Pressure Indicator Switch
(4)Fusible Links
(5)A/C Compressure Clutch Coil
Figure 3:

A/C Accumulator and A/C Pressure Sensor -- Right Side of Engine Compartment
Object Number: 305320 Size: LF
(1)A/C Evaporator Tube
(2)Engine Wiring Harness
(3)A/C Accumulator
(4)A/C Refrigerant Pressure Sensor
(5)A/C Accumulator Hose
Figure 4:

Ambient Air Outside Temperature Sensor (RPO CJ2) -- Behind RH Side of Front Bumper
Object Number: 305301 Size: LF
(1)Radiator Air Baffle
(2)Ambient Air Temperature Sensor
Figure 5:

Right Side of Engine Compartment
Object Number: 374599 Size: LF
(1)C120
Figure 6:

HVAC -- Behind Center of Instrument Panel (CJ2 Shown, C67 Similar)
Object Number: 305344 Size: LF
(1)Right Electric Actuator (w/ RPO CJ2 Only)
(2)Vacuum/Electric Solenoid
(3)Engine Vacuum Hose
(4)Blower Motor
(5)Blower Motor Control Module (w/ RPO CJ2) or Blower Resistors (w/ RPO C67)
(6)P100
(7)Heater-A/C Module
(8)Left Electric Actuator
Figure 7:

Right Side Of Instrument Cluster
Object Number: 374846 Size: LF
(1)Trip Calculator or Driver Info Display
Figure 8:

Below Right Side Of Instrument Cluster
Object Number: 327502 Size: LF
(1)Instrument Cluster
(2)Inside Air Temperature Sensor
Figure 9:

Center Top Of Instrument Panel
Object Number: 327485 Size: SF
(1)Instrument Panel (IP) Upper Trim Pad
(2)Theft Deterrent Indicator LED
(3)Sun Load Temperature Sensor
(4)Daytime Running Lamp (DLR) Ambient Light Sensor