AIR CONDITIONING – Chevrolet Classic 2004 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Classic 2004

List of elements for Compressor Wiring Diagram for Chevrolet Classic 2004:

• A/c bfc fuse 37 10a
• A/c comp relay 16
• A/c compressor clutch (lower left front of engine)
• A/c compressor clutch diode
• A/c refrigerant pressure sensor (right front of engine compt)
• A/c req
• A/c request sig
• Body control module (bcm) (below right side of dash, near blower motor)
• Class 2 serial data
• Clutch rly ctrl
• G103
• Hot in run or start
• Hvac control assembly
• Left i/p fuse block (on left end of dash)
• Low ref
• Powertrain control module (pcm) (below left side of dash, near steering column)
• Sensor signal
• Splice pack sp103 (on rear transaxle to engine bolt)
• Underhood fuse block (on left side of engine compt)
• Volt ref

Manual A/C Wiring Diagram for Chevrolet Classic 2004

List of elements for Manual A/C Wiring Diagram for Chevrolet Classic 2004:

• (below right side of dash) blower motor
• (on left end of dash) left i/p fuse block
• 5 volt ref
• A/c bfc fuse 37 10a
• A/c comp diode
• A/c comp relay
• A/c compressor clutch (lower left front of engine)
• A/c refrigerant pressure sensor (right front of engine compt)
• A/c refrigerant pressure sensor signal
• A/c request
• A10
• A11
• Air temp door ctrl
• Air temperature actuator (right side of dash)
• B11
• Bat pos volt
• Blower motor resistor assembly (below right side of dash)
• Blower switch
• Body control module (bcm) (below right side of dash, near blower motor)
• C10
• Class 2 serial data
• Cool fan 1 fuse 8 30a
• Cool fan 1 relay
• Cool fan 2 fuse 52 15a
• Cooling fan 2 relay
• Cooling fan mode relay
• Ctrl clutch relay a/c compressor
• D10
• D11
• Defog on ind
• Defogger system
• Ect sens sig
• Engine coolant temperature (ect) sensor (on top left rear of engine)
• Exterior lights system
• F11
• G103
• G201
• G202
• G203
• Ground
• Hi blo mot fuse 53 30a
• High speed cooling fan relay ctrl
• Hot at all times
• Hot in run
• Hot in run or start
• Htr a/c ign fuse 46 10a
• Hvac blower fuse c 20a
• Hvac blower relay
• Hvac control assembly
• Ign 3 voltage
• Illum
• Interior lights system
• Ipc/ hvac batt fuse 10a
• Left cooling fan (on left front of engine compt)
• Left i/p fuse block (on left end of dash)
• Logic
• Low ref
• Low reference
• Low speed cooling fan relay ctrl
• Off
• On ind
• Powertrain control module (pcm) (below left side of dash, near steering column)
• Rear defog request
• Right cooling fan (on right front of engine compt)
• Right i/p fuse block (on right end of dash)
• Rr defog ctrl
• Serial data class 2
• Signal a/c request
• Sp103 (on rear transaxle to engine bolt)
• Sp201 (on left side of dash, near fuse block)
• Sp202 (on left side of dash, near fuse block)
• Sp203 (on right side of dash, near fuse block)
• Step dim
• Tan
• Thermal fuse
• Underhood fuse block (on left side of engine compt)