AIR CONDITIONING – Chevrolet Suburban K1500 1997 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

5.7L

5.7L (VIN R), A/C Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for 5.7L (VIN R), A/C Wiring Diagram for Chevrolet Suburban K1500 1997:

• (engine harn, near egr breakout)
• (engine harness, in fuse-relay center breakout)
• (engine harness, near fuse-relay center)
• (engine harness, near underhood lamp breakout)
• (exc 4.3 l)
• (fwd lamps harn, 5cm from right headlamp breakout)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 28 cm from cluster breakout)
• (i/p harness, in hvac connector breakout)
• (rear hvac control harness, 5 cm from hvac logic module breakout)
• (right side of engine)
• A/c comp mini fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay (in underhood fuse/relay center)
• A/c compressor cycling switch (on top right of a/c accumulator)
• A/c ctrl
• A/c disable
• A/c high pressure cutout switch (on bottom rear of a/c compressor)
• A/c low pressure cutout switch (on top rear of a/c compressor)
• A/c maxi fuse 3 50a
• A/c req
• A/c switch
• Air temp dr sensor
• Aux fan ctrl
• Aux fan mini fuse 30a
• Auxiliary cooling fan motor
• Auxiliary cooling fan relay (exc 4.3l) (in underhood fuse/relay center)
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• Center
• Defogger element
• Diode
• Fan req
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G101 (right front of engine compartment)
• G119 (right front of engine)
• G120
• G120 (right side of engine)
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Hot in run or start
• Htr a/c fuse 12 25a
• Ign mini fuse 10a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Pnk
• Rear defogger system
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• Relay ctrl
• S110
• S128
• S146
• S147
• S147 (engine harn, near egr breakout)
• S180
• S185
• S186
• S244
• S268
• S298
• S308
• Tan
• Underhood fuse-relay
• Underhood fuse-relay center
• Valve ctrl
• Vehicle control module (left rear of engine compt)
• Water valve (suburban, utility, crew cab only) (right center of intake area)

Auxiliary Heater Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Auxiliary Heater Wiring Diagram for Chevrolet Suburban K1500 1997:

• (at right "c" pillar)
• (front to rear body harn, near rear dome lamp breakout)
• (front to rear body harness, near rear dome lamp breakout)
• (i/p harness, 16 cm from radio harness breakout)
• (not used)
• (rear hvac harn, 11 cm from blower relays breakout)
• (rear hvac harness, 4.5 cm from blower relays breakout)
• (rear hvac harness, 7 cm from blower motor breakout)
• A/c maxi fuse 50a
• Blower motor (behind left rear wheelwell)
• Blower resistor
• C 1995 vftc
• Convenience center (under left side of i/p)
• Fuse block
• G202 (below i/p, near data link connector)
• G905
• Hot in run
• Hot w/headlamp switch in park or head
• Illum fuse 14 10a
• Low
• Med
• Off
• Rear auxiliary heater control
• Rear high blower relay (on auxiliary heater module)
• Rear low blower relay (on auxiliary heater module)
• Rear medium blower relay (on auxiliary heater module)
• Red
• Rr hvac fuse 5 10a
• S110 (engine harness, near fuse/relay center breakout)
• S217 (i/p harness, 16 cm from cluster breakout)
• S218
• S400
• S401
• S402
• S403
• S440
• S442
• Underhood fuse/relay center

Auxiliary Heater-A/C Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Auxiliary Heater-A/C Wiring Diagram for Chevrolet Suburban K1500 1997:

• (front to rear body harness, near rear dome lamp breakout)
• (front to rear lamps harness, 12 cm from right rear door speaker breakout)
• (not used)
• (overhead console)
• (rear hvac harness, 17 cm from blower motor relays breakout)
• (rear hvac control harness, 19 cm from hvac module breakout)
• (rear hvac harn, 11 cm from blower motor relays breakout)
• (rear hvac harn, 12 cm from hvac logic module breakout)
• (rear hvac harn, 25 cm from hvac logic module breakout)
• (rear hvac harn, 5 cm from hvac logic module breakout)
• (rear hvac harness, 11 cm from blower motor relays breakout)
• 77 or 1923
• A/c maxi fuse 3 50a
• Auxiliary heater & a/c logic module
• Auxiliary heater and a/c control module (front)
• Auxiliary heater and a/c control module (rear)
• Battery
• Blower motor (behind left rear wheelwell)
• Blower resistor
• C 1995 vftc
• C10
• Control input
• Control lamp
• Convenience center (under left side of i/p)
• Front ctrl out
• Frt ctrl a/c
• Frt ctrl heat
• Fuse block
• G905 (at right "c" pillar)
• Ground
• Hi blower
• Hot in run
• Ignition
• Interior lights system
• Interior lights system
• Lo blower
• Logic mod input
• Med blower
• Mode door out
• Rear auxiliary mode door actuator (under i/p, on heater a/c case)
• Rear auxiliary temp door actuator (under i/p, on heater a/c case)
• Rear ctrl a/c
• Rear ctrl heat
• Rear ctrl out
• Rear high blower relay (on auxiliary heater-a/c module)
• Rear low blower relay (on auxiliary heater-a/c module)
• Rear medium blower relay (on auxiliary heater-a/c module)
• Rear mode ctrl
• Rear temp ctrl
• Red
• Rr hvac fuse h5 10a
• S110 (engine harness, near fuse/relay center)
• S305
• S306
• S308
• S309
• S400
• S401
• S402
• S403
• S410
• S440
• S441
• S442
• Temp door out
• Underhood fuse/relay center
• W/ htr
• W/o htr

Heater Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Heater Wiring Diagram for Chevrolet Suburban K1500 1997:

• (engine harness)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 24 cm from i/p cluster breakout)
• (right side of engine)
• A/c maxi fuse 3 50a
• Air temp dr sensor
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• C10
• Defogger element
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Htr a/c fuse 12 25a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Rear defogger system
• Recirc ctrl
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S110 (engine harness, near fuse-relay center)
• S147
• S243 (hvac harness, 4 cm from recirc door breakout)
• S244
• S268 (i/p harness, 6.5 cm from hvac connector breakout)
• S298
• Tan
• Underhood fuse-relay center

6.5L

6.5L (VIN F), A/C Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for 6.5L (VIN F), A/C Wiring Diagram for Chevrolet Suburban K1500 1997:

• (engine harn, 30cm from breakout to ebcm)
• (engine harn, near egr breakout)
• (engine harness, in fuse-relay center breakout)
• (engine harness, near fuse-relay center)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 28 cm from cluster breakout)
• (i/p harn, 8 cm from radio harness breakout)
• (i/p harness, in hvac connector breakout)
• (rear hvac control harness, 5 cm from hvac logic module breakout)
• (right side of engine)
• A/c comp mini fuse 10a
• A/c compressor clutch
• A/c compressor clutch relay (in underhood fuse/relay center)
• A/c compressor cycling switch (in low pressure line near compressor)
• A/c ctrl
• A/c disable
• A/c high pressure cutout switch (on a/c compressor)
• A/c low pressure cutout switch (on low pressure line)
• A/c maxi fuse 3 50a
• A/c req
• A/c switch
• Air temp dr sensor
• Aux fan ctrl
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• Center
• Defogger element
• Diode
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G120 (right side of engine)
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Hot in run or start
• Htr a/c fuse 12 25a
• Ign mini fuse 10a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Pnk
• Powertrain control module (left rear of engine compt)
• Rear defogger system
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S107
• S110
• S146
• S147
• S147 (engine harn, near egr breakout)
• S185
• S186
• S212
• S244
• S268
• S298
• S308
• Tan
• Underhood fuse-relay
• Valve ctrl
• Water valve (suburban, utility, crew cab only) (right center of intake area)

Auxiliary Heater Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Auxiliary Heater Wiring Diagram for Chevrolet Suburban K1500 1997:

• (at right "c" pillar)
• (front to rear body harn, near rear dome lamp breakout)
• (front to rear body harness, near rear dome lamp breakout)
• (i/p harness, 16 cm from radio harness breakout)
• (not used)
• (rear hvac harn, 11 cm from blower relays breakout)
• (rear hvac harness, 4.5 cm from blower relays breakout)
• (rear hvac harness, 7 cm from blower motor breakout)
• A/c maxi fuse 50a
• Blower motor (behind left rear wheelwell)
• Blower resistor
• C 1995 vftc
• Convenience center (under left side of i/p)
• Fuse block
• G202 (below i/p, near data link connector)
• G905
• Hot in run
• Hot w/headlamp switch in park or head
• Illum fuse 14 10a
• Low
• Med
• Off
• Rear auxiliary heater control
• Rear high blower relay (on auxiliary heater module)
• Rear low blower relay (on auxiliary heater module)
• Rear medium blower relay (on auxiliary heater module)
• Red
• Rr hvac fuse 5 10a
• S110 (engine harness, near fuse/relay center breakout)
• S217 (i/p harness, 16 cm from cluster breakout)
• S218
• S400
• S401
• S402
• S403
• S440
• S442
• Underhood fuse/relay center

Auxiliary Heater-A/C Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Auxiliary Heater-A/C Wiring Diagram for Chevrolet Suburban K1500 1997:

• (front to rear body harness, near rear dome lamp breakout)
• (front to rear lamps harness, 12 cm from right rear door speaker breakout)
• (not used)
• (overhead console)
• (rear hvac harness, 17 cm from blower motor relays breakout)
• (rear hvac control harness, 19 cm from hvac module breakout)
• (rear hvac harn, 11 cm from blower motor relays breakout)
• (rear hvac harn, 12 cm from hvac logic module breakout)
• (rear hvac harn, 25 cm from hvac logic module breakout)
• (rear hvac harn, 5 cm from hvac logic module breakout)
• (rear hvac harness, 11 cm from blower motor relays breakout)
• 77 or 1923
• A/c maxi fuse 3 50a
• Auxiliary heater & a/c logic module
• Auxiliary heater and a/c control module (front)
• Auxiliary heater and a/c control module (rear)
• Battery
• Blower motor (behind left rear wheelwell)
• Blower resistor
• C 1995 vftc
• C10
• Control input
• Control lamp
• Convenience center (under left side of i/p)
• Front ctrl out
• Frt ctrl a/c
• Frt ctrl heat
• Fuse block
• G905 (at right "c" pillar)
• Ground
• Hi blower
• Hot in run
• Ignition
• Interior lights system
• Interior lights system
• Lo blower
• Logic mod input
• Med blower
• Mode door out
• Rear auxiliary mode door actuator (under i/p, on heater a/c case)
• Rear auxiliary temp door actuator (under i/p, on heater a/c case)
• Rear ctrl a/c
• Rear ctrl heat
• Rear ctrl out
• Rear high blower relay (on auxiliary heater-a/c module)
• Rear low blower relay (on auxiliary heater-a/c module)
• Rear medium blower relay (on auxiliary heater-a/c module)
• Rear mode ctrl
• Rear temp ctrl
• Red
• Rr hvac fuse h5 10a
• S110 (engine harness, near fuse/relay center)
• S305
• S306
• S308
• S309
• S400
• S401
• S402
• S403
• S410
• S440
• S441
• S442
• Temp door out
• Underhood fuse/relay center
• W/ htr
• W/o htr

Heater Wiring Diagram for Chevrolet Suburban K1500 1997

List of elements for Heater Wiring Diagram for Chevrolet Suburban K1500 1997:

• (engine harness)
• (hvac harness, 15cm from recirc door breakout)
• (i/p harn, 24 cm from i/p cluster breakout)
• (right side of engine)
• A/c maxi fuse 3 50a
• Air temp dr sensor
• Battery
• Blower motor
• Blower resistor (under right side of i/p, on heater housing)
• Blower switch
• C10
• Defogger element
• Front mode door motor (under i/p on heater- a/c case)
• Front temperature door motor (under i/p on heater- a/c case)
• Fuse block
• G120
• G202 (behind left side of i/p)
• Ground
• Heater and a/c control module
• High blower relay (under i/p on top of heater-a/c case)
• Hot at all times
• Hot in run
• Htr a/c fuse 12 25a
• Ignition
• Illumination
• Interior lights system
• Mode signal
• Off
• Rear defogger system
• Recirc ctrl
• Recirculation door motor (under i/p on heater- a/c case)
• Red
• S110 (engine harness, near fuse-relay center)
• S147
• S243 (hvac harness, 4 cm from recirc door breakout)
• S244
• S268 (i/p harness, 6.5 cm from hvac connector breakout)
• S298
• Tan
• Underhood fuse-relay center