AIR CONDITIONING – Chevrolet Suburban C2500 2001 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (1 of 2) for Chevrolet Suburban C2500 2001

List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (1 of 2) for Chevrolet Suburban C2500 2001:

• 4.3l
• 5 volt ref
• A/c comp relay ctrl
• A/c compressor clutch
• A/c compressor clutch relay
• A/c dat
• A/c fuse 10a
• A/c high pressure cutout switch (on a/c compressor)
• A/c high pressure recirculating switch (in a/c muffler hose)
• A/c low pressure cycling switch (right side of accumulator)
• A/c request
• A/c switch
• A/i fbk
• A/i mtr
• Actuator (near bottom of hvac module)
• All others
• Battery
• Blwr mtr cntrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C3 c3
• Class 2 data
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (dlc) (under left side of dash)
• Front blower motor assembly (right side of dash)
• Front hvac control module (in center of dash, under radio)
• Front mode actuator (left side of hvac module)
• Front recirculation actuator (top of hvac module)
• Frt hvac fuse 30a
• Fuse block (lower left side of dash)
• G100 (on left radiator support bracket)
• G110 (all others) (left front of engine)
• G119 (4.3l) (right front of eng)
• G203 (right side dash, at "a" pillar)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Htr dat
• Hvac 1 fuse 10a
• I/p junction block (lower right side of dash)
• Ign e fuse 10a
• Ignition
• Mode fbk
• Mode mtr
• O/s air temp
• Pcat
• Powertrain control module (pcm) (left side of engine compt)
• Press sw a/c high
• Radio fuse 15a
• Red
• S101 (forward lamp harness)
• S102 (engine harn)
• Sensor rtn
• Solar
• Solid state
• Splice pack sp205 (left side of dash)
• Temp fbk
• Temp mtr
• Underhood junction block (left side of engine compt, near battery)

Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (2 of 2) for Chevrolet Suburban C2500 2001

List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, with Sunroof (2 of 2) for Chevrolet Suburban C2500 2001:

• A10
• Auxiliary blower motor
• Auxiliary blower motor resistor
• Auxiliary blower motor resistor assembly
• Auxiliary high speed blower relay
• Auxiliary hvac control switch (front)
• Auxiliary low speed blower relay
• Auxiliary med speed blower relay
• Auxiliary mode actuator
• Auxiliary temperature actuator
• Body junction block (left kick panel)
• Cntrl logic
• Fuse block (lower left side of dash)
• G203 (right side dash, at "a" pillar)
• G999 (right "d" pillar)
• High
• Hot at all times
• Hot in run
• Hot in run & start
• I/p junction block (lower right side of dash)
• Ign
• Ign 1 fuse 10a
• Ign 3 fuse 10a
• Inside air temperature sensor (in headliner above driver)
• Interior lights system
• Low
• Lower air temperature sensor
• Med
• Mode
• Nca
• Off
• Outside ambient temperature sensor (in right front bumper filler assembly)
• Pnk
• Red
• Rr hvac fuse 30a
• Slice pack sp410
• Splice pack sp203
• Sun load temperature sensor (top center of dash)
• Temp
• Underhood junction block (left side of engine compt, near battery)
• Upper air temperature sensor (in hvac duct assembly behind the driver right air deflector)

Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (1 of 2) for Chevrolet Suburban C2500 2001

List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (1 of 2) for Chevrolet Suburban C2500 2001:

• 4.3l
• 5 volt ref
• A/c compressor clutch
• A/c compressor clutch relay
• A/c dat
• A/c fuse 10a
• A/c high press sw
• A/c high pressure cutout switch (on a/c compressor)
• A/c high pressure recirculating switch (in a/c muffler hose)
• A/c low pressure cycling switch (right side of accumulator)
• A/c request
• A/c switch
• A/i fbk
• A/i mtr
• Actuator (near bottom of hvac module)
• All others
• Battery
• Blwr mtr cntrl
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C3 c3
• Class 2 data
• D10
• D11
• D12
• D13
• D14
• D15
• D16
• Data link connector (dlc) (under left side of dash)
• Front blower motor assembly (right side of dash)
• Front hvac control module (in center of dash, under radio)
• Front mode actuator (left side of hvac module)
• Front recirculation actuator (top of hvac module)
• Frt hvac fuse 30a
• Fuse block (lower left side of dash)
• G100 (on left radiator support bracket)
• G110 (all others) (left front of engine)
• G119 (4.3l) (right front of eng)
• G203 (right side dash, at "a" pillar)
• Ground
• Hot at all times
• Hot in run
• Hot in run or start
• Htr dat
• Hvac 1 fuse 10a
• I/p junction block (lower right side of dash)
• Ign e fuse 10a
• Ignition
• Mode fbk
• Mode mtr
• O/s air temp
• Pcat
• Powertrain control module (pcm) (left side of engine compt)
• Radio fuse 15a
• Red
• Relay ctrl a/c comp
• S101 (forward lamp harness)
• S102 (engine harn)
• Sensor rtn
• Serial data
• Solar
• Solid state
• Splice pack sp205 (left side of dash)
• Temp fbk
• Temp mtr
• Underhood junction block (left side of engine compt, near battery)

Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (2 of 2) for Chevrolet Suburban C2500 2001

List of elements for Automatic A/C Wiring Diagram, Front & Rear A/C, without Sunroof (2 of 2) for Chevrolet Suburban C2500 2001:

• (if equipped) harness adaptor
• A/c dat
• A10
• A11
• A12
• Agnd
• Auxiliary blower motor assembly (in right rear side panel, above wheelwell)
• Auxiliary control module (front) (in over head console)
• Auxiliary control module (rear) (rear of center console)
• Auxiliary lower air temperature sensor (near right "c" pillar)
• Auxiliary mode actuator (left side of rr hvac cntrl mod)
• Auxiliary temperature actuator (near bottom center of rear hvac control module)
• Auxiliary upper air temperature sensor (near right "c" pillar)
• B10
• B11
• B12
• Body junction block (left kick panel)
• Dim
• Ffan
• Fmode
• Ftemp
• Fuse block (lower left side of dash)
• G203 (right side dash, at "a" pillar)
• G999 (right "d" pillar)
• Gnd
• Harness adaptor (if equipped)
• Hot at all times
• Hot in run
• Hot in run & start
• Htr dat
• I/p junction block (lower right side of dash)
• Ign 1 fuse 10a
• Ign 3 fuse 10a
• Ignition
• Inside air temperature sensor (in headliner above driver)
• Interior lights system
• Kdd clk
• Kdd data
• Lower air temperature sensor
• Mode fbk
• Mode mtr
• Motor rtn
• Nca
• Outside ambient temperature sensor (in right front bumper filler assembly)
• Pnk
• Pwm blower
• Red
• Rr hvac fuse 30a
• Sensor rtn
• Slice pack sp410a
• Solid state
• Splice pack sp203
• Sun load temperature sensor (top center of dash)
• Tan
• Temp fbk
• Temp mtr
• Underhood junction block (left side of engine compt, near battery)
• Upper air temperature sensor (in hvac duct assembly behind the driver right air deflector)
• Vcc
• Vref

Compressor Wiring Diagram for Chevrolet Suburban C2500 2001

List of elements for Compressor Wiring Diagram for Chevrolet Suburban C2500 2001:

• 4.3l
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c high pressure cutout switch (on a/c compressor)
• A/c high pressure recirculating switch (in a/c muffler hose)
• A/c low pressure cycling switch (on a/c compressor)
• A/c request
• A/c switch
• All others
• G100 (on left radiator support bracket)
• G110 (4.8l, 5.3l, 6.0l) (left front of engine)
• G119 (4.3l) (right front of engine)
• Hot at all times
• Hot in run or start
• Hvac control module
• 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 (engine harn)
• Underhood junction block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Front for Chevrolet Suburban C2500 2001

List of elements for Manual A/C Wiring Diagram, Front for Chevrolet Suburban C2500 2001:

• 4.3l
• A a/c disable
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c high press sw
• A/c high pressure cutout switch (on a/c compressor)
• A/c high pressure recirculating switch (in a/c muffler hose)
• A/c request
• A/c switch
• Air temperature actuator (bottom center of hvac module)
• All others
• B mode signal
• Blower motor (under right side of dash)
• Blower motor resistor assembly (on hvac module, near blower motor)
• Blower relay
• C ground
• C3 c3
• D recirc signal
• D12
• Defogger system
• E illumination
• F temp signal
• Frt hvac fuse 30a
• Fuse block (lower left side of dash)
• G feedback
• G100 (on left radiator support bracket)
• G110 (4.8l, 5.3l, 6.0l) (left front of engine)
• G119 (4.3l) (right front of eng)
• G203 (right side dash, at "a" pillar)
• H 5v reference
• Hot at all times
• Hot in run
• Hot in run or start
• Htr-a/c fuse 25a
• Hvac 1 fuse 10a
• Hvac control module (under radio)
• I/p junction block (lower right side of dash)
• Ign e fuse 10a
• Interior lights system
• J rear defog
• K ign power
• L a/c request
• M feedback
• Mode actuator (left side of hvac module)
• Off
• Powertrain control module (pcm) (left side of engine compt)
• Recirculation actuator (top of hvac module)
• Red
• Relay ctrl a/c comp
• S101 (forward lamp harness)
• S102 (engine harn)
• Tan
• Underhood junctioin block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Suburban C2500 2001

List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, with Sunroof for Chevrolet Suburban C2500 2001:

• 87a
• A10
• Auxiliary blower motor
• Auxiliary blower motor resistor
• Auxiliary blower motor resistor assembly
• Auxiliary high speed blower relay
• Auxiliary hvac control switch (front)
• Auxiliary low speed blower relay
• Auxiliary med speed blower relay
• Auxiliary mode actuator
• Auxiliary temperature actuator
• Cntrl logic
• Fuse block (left side of dash)
• G999 (right "d" pillar)
• High
• Hot at all times
• Hot in run
• I/p junction block (lower right side of dash)
• Ign
• Ign 3 fuse 10a
• Interior lights system
• Low
• Med
• Mode
• Nca
• Off
• Red
• Rr hvac fuse 30a
• Slice pack sp410a
• Temp
• Underhood junction block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Suburban C2500 2001

List of elements for Manual A/C Wiring Diagram, Rear with Heat & A/C, without Sunroof for Chevrolet Suburban C2500 2001:

• 87a
• A10
• Auxiliary blower motor
• Auxiliary blower motor resistor
• Auxiliary blower motor resistor assembly
• Auxiliary high speed blower relay
• Auxiliary hvac control module
• Auxiliary hvac control switch (front)
• Auxiliary hvac control switch (rear)
• Auxiliary low speed blower relay
• Auxiliary med speed blower relay
• Auxiliary mode actuator
• Auxiliary temperature actuator
• Cntrl logic
• Fuse block (left side of dash)
• G999 (right "d" pillar)
• Grd
• High
• Hot at all times
• Hot in run
• I/p junction block (lower right side of dash)
• Ign
• Ign 3 fuse 10a
• Interior lights system
• Low
• Med
• Mode
• Mode 1
• Mode 2
• Mode motor
• Nca
• Off
• Pwr
• Rear
• Rear hvac cntrl
• Red
• Rr hvac fuse 30a
• Slice pack sp410a
• Temp
• Temp 1
• Temp 2
• Temp motor
• Underhood junction block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Suburban C2500 2001

List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, with Sunroof for Chevrolet Suburban C2500 2001:

• (not used)
• 87a
• A10
• Auxiliary blower motor
• Auxiliary blower motor resistor
• Auxiliary blower motor resistor assembly
• Auxiliary high speed blower relay
• Auxiliary hvac control switch (front)
• Auxiliary low speed blower relay
• Auxiliary med speed blower relay
• Fuse block (left side of dash)
• G999 (right "d" pillar)
• High
• Hot at all times
• Hot in run
• I/p junction block (lower right side of dash)
• Ign 3 fuse 10a
• Interior lights system
• Low
• Med
• Nca
• Off
• Red
• Rr hvac fuse 30a
• Underhood junction block (left side of engine compt, near battery)

Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Suburban C2500 2001

List of elements for Manual A/C Wiring Diagram, Rear with Heat or A/C, without Sunroof for Chevrolet Suburban C2500 2001:

• (not used)
• 87a
• A10
• Auxiliary blower motor
• Auxiliary blower motor resistor
• Auxiliary blower motor resistor assembly
• Auxiliary high speed blower relay
• Auxiliary hvac control switch (front)
• Auxiliary hvac control switch (rear)
• Auxiliary low speed blower relay
• Auxiliary med speed blower relay
• Fuse block (left side of dash)
• G999 (right "d" pillar)
• High
• Hot at all times
• Hot in run
• I/p junction block (lower right side of dash)
• Ign 3 fuse 10a
• Interior lights system
• Low
• Med
• Nca
• Off
• Rear
• Red
• Rr hvac fuse 30a
• Underhood junction block (left side of engine compt, near battery)