AIR CONDITIONING – Chevrolet Silverado 3500 2002 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Compressor Wiring Diagram for Chevrolet Silverado 3500 2002

List of elements for Compressor Wiring Diagram for Chevrolet Silverado 3500 2002:

• (diesel)
• (gasoline)
• (right side of accumulator)
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c high pressure recirculation switch (in a/c muffler hose)
• A/c high pressure switch (rear of compressor)
• A/c request
• A/c switch
• G100 (on left radiator support bracket)
• G102 (silverado/sierra) g105 (others) (4.3l: right front of engine, 4.8l, 5.3l, 6.0l, 8.1l: left side of engine, 6.6l: right side of engine)
• Hot at all times
• Hot in run or start
• Hvac control module (behind center of dash)
• Ign e fuse 10a
• Powertrain control module (pcm) (left front of engine compt)
• Press switch a/c high
• Relay ctrl a/c comp
• S101 (forward lamp harn)
• S102 (gasoline) s120 (diesel) (engine harn)
• Underhood fuse block (left side of engine compt, near battery)

Heater Wiring Diagram for Chevrolet Silverado 3500 2002

List of elements for Heater Wiring Diagram for Chevrolet Silverado 3500 2002:

• Blower motor
• Blower motor relay
• Blower motor resistor assembly (on hvac module, near blower motor)
• Blower motor switch
• D12
• Frt hvac fuse 30a
• G200 (right side of dash, at "a" pillar)
• Hot at all times
• Hot in run
• Htr-a/c fuse 25a
• Interior lights system
• Left i/p fuse block (lower left side of dash)
• Off
• Tan
• Underhood fuse block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Base for Chevrolet Silverado 3500 2002

List of elements for Manual A/C Wiring Diagram, Base for Chevrolet Silverado 3500 2002:

• (diesel)
• (gasoline)
• A off mtr ctrl
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c high pressure recirculation switch (in a/c muffler hose)
• A/c high pressure switch (rear of compressor)
• A/c low pressure switch (right side of accumulator)
• A/c request
• A/c switch
• Air temperature actuator (bottom center of hvac control assembly)
• B mode act ctrl
• Blower motor (under right side of dash)
• Blower motor relay assembly (on hvac module, near blower motor)
• Blower relay
• Body relay block (under left side of dash)
• C ground
• Ctrl recirc door
• D recir act ctrl
• D12
• Defogger system
• E i/p lamp sply
• F temp act ctrl
• Frt hvac fuse 30a
• G act pos sig
• G100 (on left radiator support bracket)
• G102 (4.3l: right front of engine, 4.8l, 5.3l, 6.0l: left side of engine, 8.1l: left side of engine, 6.6l right side of engine)
• G200 (right side of dash, at "a" pillar)
• G203 (on upper left dash at "a" pillar)
• H 5v ref
• High
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 25a
• Hvac 1 fuse 10a
• Hvac control module (behind center of dash)
• Ign e fuse 10a
• Interior lights system
• J rear defog rly
• K ign 3 vol
• L a/c request
• Left i/p fuse block (lower left side of dash)
• Low
• M act pos sig
• Mode actuator (left side of hvac module)
• Off
• Powertrain control module (pcm) (left front of engine of engine compt)
• Press sw a/c high
• Recirculation actuator (top of hvac module)
• Red
• S101 (forward lamp harness)
• Sp203
• Tan
• Underhood fuse block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Up Level for Chevrolet Silverado 3500 2002

List of elements for Manual A/C Wiring Diagram, Up Level for Chevrolet Silverado 3500 2002:

• (diesel)
• (gasoline)
• A off mtr ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c high press sw
• A/c high pressure recirculating switch (in a/c muffler hose)
• A/c high pressure switch (rear of compressor)
• A/c low pressure switch (right side of accumulator)
• A/c request
• A/c switch
• Air temperature actuator (bottom center of hvac module)
• B mode act ctrl
• Blower motor (under right side of dash)
• Blower motor resistor assembly (on hvac module, near blower motor)
• Blower relay
• C ground
• D recir act ctrl
• D12
• Defogger system
• E i/p lamp sply
• F temp act ctrl
• Frt hvac fuse 30a
• G act pos sig
• G100 (on left radiator support bracket)
• G102 (silverado/sierra) g105 (others) (4.3l: right front of engine, 4.8l, 5.3l, 6.0l, 8.1l: left side of engine, 6.6l: right side of engine)
• G200 (right side dash, at "a" pillar)
• H 5v ref
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 25a
• Hvac 1 fuse 10a
• Hvac control module (behind center of dash)
• Ign e fuse 10a
• Interior lights system
• J rear defog rly
• K ign 3 vol
• L a/c request
• Left i/p fuse block (lower left side of dash)
• M act pos sig
• Mode actuator (left side of hvac module)
• Off
• Powertrain control module (pcm) (left front of engine compt)
• Recirc door ctrl
• Recirculation actuator (top of hvac module)
• Red
• Relay ctrl a/c comp
• Right i/p fuse block (lower right side of dash)
• S101 (forward lamp harness)
• Tan
• Underhood fuse block (left side of engine compt, near battery)