AIR CONDITIONING – Chevrolet TrailBlazer 2002 – SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• Ambient air temp sig
• Ambient air temperature sensor (on left center of radiator support)
• Ambient light
• Ambient light/ sunload sensor assembly (top center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor control processor
• Blwr mtr spd ctrl
• Class 2
• Coolant bypass ctrl
• Coolant bypass valve
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G103 (left front of engine compt)
• G201
• G302 (on lower left "b" pillar)
• Ground
• Hot at all times
• Hot in run
• Hvac 1 fuse 10a
• Hvac control module
• Hvac-b fuse 10a
• Ign 3
• Inside air temp ctrl
• Inside air temp sig
• Inside air temperature sensor (top of left "b" pillar, behind trim)
• Interior lights system
• Left sensor
• Low ref
• Low reference
• Lower left air temperature sensor (behind lower left of dash, on air duct)
• Lower right air temperature sensor (behind lower right of dash, on air duct)
• Lps dimming ctrl
• Lwr lt air temp sig
• Lwr rt air temp sig
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirc dr pos sig
• Recirulation actuator (upper right side of dash)
• Red
• Right sensor
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• S271 (dash harn, 14.5 cm from i/p comp lamp breakout)
• S302 (5 cm from main harn breakout)
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)
• Upper left air temperature sensor (behind upper left center of dash)
• Upper right air temperature sensor (behind upper right center of dash)
• Uppr lt air temp sig
• Uppr rt air temp sig

Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002:

• (forward lamp harn,20cm from windshield washer pump breakout)
• (left radiator support) g103
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• A12
• Am/fm
• Ambient light sens
• B11
• B12
• Body control module (beneath left rear seat, on rear fuse block)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• Fan dn
• Fan up
• G103 (under left radiator support)
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Inflatable restraint steering wheel module coil
• Low ref
• Low reference
• Lt sunload sens sig
• Mode
• Nca
• Powertrain control module (upper left side of engine)
• Radio ctrl sig
• Rt sunload sens sig
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Steering wheel control switches
• Temp dn
• Temp up
• Underhood fuse block (left side of engine compt)
• Vol dn
• Vol up

Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002:

• (lower console harness,near aux hvac module)
• (not used)
• 5v reference
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Auc hvac enable
• Aux act door ctlr
• Aux air temp dr ctlr
• Aux air temp dr pos
• Aux blwr mtr
• Aux mode door ctrl
• Aux mode dr pos sig
• Auxiliary air temp actuator
• Auxiliary blower motor processor
• Auxiliary mode actuator
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Class 2 data
• Console mode actuator
• Console mode dr ctrl
• Ctrl mode dr pos sig
• Front auxiliary blower motor switch
• G201
• G402 (lower right "d" pillar)
• Ground auxiliary hvac control module (rear of lower console)
• Hot at all times
• Interior lights system
• Low reference
• Off
• Rear
• Rear fuse block (below left rear seat)
• Rear hvac module
• Red
• Rr hvac fuse 30a
• S307 (console harness)
• S324
• S325
• S326
• S402 (body harn, 7..5 cm from lower left "d"pillar ground)
• Solid state
• Sp201 (right front of lower console)

Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• Ambient air temp sig
• Ambient air temperature sensor (on left center of radiator support)
• Ambient light
• Ambient light/ sunload sensor assembly (top center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor control processor
• Blwr mtr spd ctrl
• Class 2
• Coolant bypass ctrl
• Coolant bypass valve
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G103 (left front of engine compt)
• G201
• G302 (on lower left "b" pillar)
• Ground
• Hot at all times
• Hot in run
• Hvac 1 fuse 10a
• Hvac control module
• Hvac-b fuse 10a
• Ign 3
• Inside air temp ctrl
• Inside air temp sig
• Inside air temperature sensor (top of left "b" pillar, behind trim)
• Interior lights system
• Left sensor
• Low ref
• Low reference
• Lower left air temperature sensor (behind lower left of dash, on air duct)
• Lower right air temperature sensor (behind lower right of dash, on air duct)
• Lps dimming ctrl
• Lwr lt air temp sig
• Lwr rt air temp sig
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirc dr pos sig
• Recirulation actuator (upper right side of dash)
• Red
• Right sensor
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• S271 (dash harn, 14.5 cm from i/p comp lamp breakout)
• S302 (5 cm from main harn breakout)
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)
• Upper left air temperature sensor (behind upper left center of dash)
• Upper right air temperature sensor (behind upper right center of dash)
• Uppr lt air temp sig
• Uppr rt air temp sig

Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002:

• (forward lamp harn, 20cm from windshield washer pump breakout)
• (left radiator support) g103
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• A12
• Am/fm
• Ambient light sens
• B11
• B12
• Body control module (beneath left rear seat, on rear fuse block)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• Fan dn
• Fan up
• G103 (under left radiator support)
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Inflatable restraint steering wheel module coil
• Low ref
• Low reference
• Lt sunload sens sig
• Mode
• Nca
• Powertrain control module (upper left side of engine)
• Radio ctrl sig
• Rt sunload sens sig
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Steering wheel control switches
• Temp dn
• Temp up
• Underhood fuse block (left side of engine compt)
• Vol dn
• Vol up

Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002:

• (lower console harn, near aux hvac module)
• (not used)
• 5v reference
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Auc hvac enable
• Aux act door ctlr
• Aux air temp dr ctlr
• Aux air temp dr pos
• Aux blwr mtr
• Aux mode door ctrl
• Aux mode dr pos sig
• Auxiliary air temp actuator
• Auxiliary blower motor processor
• Auxiliary mode actuator
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Class 2 data
• Console mode actuator
• Console mode dr ctrl
• Ctrl mode dr pos sig
• Front auxiliary blower motor switch
• G201
• G402 (lower right "d" pillar)
• Ground auxiliary hvac control module (rear of lower console)
• Hot at all times
• Interior lights system
• Low reference
• Off
• Rear
• Rear fuse block (below left rear seat)
• Rear hvac module
• Red
• Rr hvac fuse 30a
• S307 (console harness)
• S324
• S325
• S326
• S402 (body harn, 7..5 cm from lower left "d"pillar ground)
• Solid state
• Sp201 (right front of lower console)

Automatic A/C Wiring Diagram, Short Wheel Base (1 of 2) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Short Wheel Base (1 of 2) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• Ambient air temp sig
• Ambient air temperature sensor (on left center of radiator support)
• Ambient light
• Ambient light/ sunload sensor assembly (top center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor control processor
• Blwr mtr spd ctrl
• Class 2
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G201
• G302 (on lower left "b" pillar)
• Ground
• Hot at all times
• Hot in run
• Hvac 1 fuse 10a
• Hvac control module
• Hvac-b fuse 10a
• Ign 3
• Inside air temp ctrl
• Inside air temp sig
• Inside air temperature sensor (top of left "b" pillar, behind trim)
• Interior lights system
• Left sensor
• Low ref
• Low reference
• Lower left air temperature sensor (behind lower left of dash, on air duct)
• Lower right air temperature sensor (behind lower right of dash, on air duct)
• Lps dimming ctrl
• Lwr lt air temp sig
• Lwr rt air temp sig
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirc dr pos sig
• Recirulation actuator (upper right side of dash)
• Red
• Right sensor
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• S271 (dash harn, 14.5 cm from i/p comp lamp breakout)
• S302 (5 cm from main harn breakout)
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)
• Upper left air temperature sensor (behind upper left center of dash)
• Upper right air temperature sensor (behind upper right center of dash)
• Uppr lt air temp sig
• Uppr rt air temp sig

Automatic A/C Wiring Diagram, Short Wheel Base (2 of 2) for Chevrolet TrailBlazer 2002

List of elements for Automatic A/C Wiring Diagram, Short Wheel Base (2 of 2) for Chevrolet TrailBlazer 2002:

• (forward lamp harn, 20cm from windshield washer pump breakout)
• (left radiator support) g103
• (under left radiator support)
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• A12
• Am/fm
• Ambient light sens
• B11
• B12
• Body control module (beneath left rear seat, on rear fuse block)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• Fan dn
• Fan up
• G103
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Inflatable restraint steering wheel module coil
• Low ref
• Low reference
• Lt sunload sens sig
• Mode
• Nca
• Powertrain control module (upper left side of engine)
• Radio ctrl sig
• Rt sunload sens sig
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Steering wheel control switches
• Temp dn
• Temp up
• Underhood fuse block (left side of engine compt)
• Vol dn
• Vol up

Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor relay
• Blower motor resistor assembly
• Class 2
• Coolant bypass valve
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G103 (left front of engine compt)
• G201
• Ground
• High
• Hot at all times
• Hot in run
• Htr water ctrl sol
• Hvac 1 fuse 10a
• Hvac control module
• Hvac fuse 30a
• Hvac-b fuse 10a
• Ign 3
• Interior lights system
• Low
• Low ref
• Lps dimming ctrl
• Med1
• Med2
• Med3
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Off
• Off blwr mtr cntrl
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirulation actuator (upper right side of dash)
• Red
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002:

• (forward lamp harn, 20cm from windshield washer pump breakout)
• (left radiator support) g103
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• G103 (under left radiator support)
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Low ref
• Nca
• Powertrain control module (upper left side of engine)
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base with Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002:

• (not used)
• 5v reference
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Auc hvac enable
• Aux act door ctlr
• Aux air temp dr ctlr
• Aux air temp dr pos
• Aux blwr mtr
• Aux mode door ctrl
• Aux mode dr pos sig
• Auxiliary air temp actuator
• Auxiliary blower motor processor
• Auxiliary mode actuator
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Class 2 data
• Console mode actuator
• Console mode dr ctrl
• Ctrl mode dr pos sig
• Front auxiliary blower motor switch
• G201
• G402 (lower right "d" pillar)
• Ground auxiliary hvac control module (rear of lower console)
• Hot at all times
• Interior lights system
• Low reference
• Off
• Rear
• Rear fuse block (below left rear seat)
• Rear hvac module
• Red
• Rr hvac fuse 30a
• S307 (console harness)
• S324
• S325
• S326
• S402 (body harn, 7..5 cm from lower left "d"pillar ground)
• Solid state
• Sp201 (right front of lower console)

Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (1 of 3) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor relay
• Blower motor resistor assembly
• Class 2
• Coolant bypass valve
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G103 (left front of engine compt)
• G201
• Ground
• High
• Hot at all times
• Hot in run
• Htr water ctrl sol
• Hvac 1 fuse 10a
• Hvac control module
• Hvac fuse 30a
• Hvac-b fuse 10a
• Ign 3
• Interior lights system
• Low
• Low ref
• Lps dimming ctrl
• Med1
• Med2
• Med3
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Off
• Off blwr mtr cntrl
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirulation actuator (upper right side of dash)
• Red
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (2 of 3) for Chevrolet TrailBlazer 2002:

• (forward lamp harn, 20cm from windshield washer pump breakout)
• (left radiator support) g103
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• G103 (under left radiator support)
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Low ref
• Nca
• Powertrain control module (upper left side of engine)
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Underhood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Long Wheel Base without Rear Entertainment (3 of 3) for Chevrolet TrailBlazer 2002:

• (lower console harn near hvac module)
• (not used)
• 5v reference
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• Auc hvac enable
• Aux act door ctlr
• Aux air temp dr ctlr
• Aux air temp dr pos
• Aux blwr mtr
• Aux mode door ctrl
• Aux mode dr pos sig
• Auxiliary air temp actuator
• Auxiliary blower motor processor
• Auxiliary mode actuator
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Battery
• Class 2 data
• Console mode actuator
• Console mode dr ctrl
• Ctrl mode dr pos sig
• Front auxiliary blower motor switch
• G201
• G402 (lower right "d" pillar)
• Ground auxiliary hvac control module (rear of lower console)
• Hot at all times
• Interior lights system
• Low reference
• Off
• Rear
• Rear fuse block (below left rear seat)
• Rear hvac module
• Red
• Rr hvac fuse 30a
• S307 (console harness)
• S324
• S325
• S326
• S402 (body harn, 7..5 cm from lower left "d"pillar ground)
• Solid state
• Sp201 (right front of lower console)

Manual A/C Wiring Diagram, Short Wheel Base (1 of 2) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Short Wheel Base (1 of 2) for Chevrolet TrailBlazer 2002:

• (dash harn, 15 cm from mode act breakout)
• (dash harn, 15 cm from rec act breakout)
• 5v ref
• A/c comp status
• A/c low press sw
• A10
• A11
• A12
• Air temp door ctrl
• Air temp dr pos sig
• Air temperature actuator (left) (behind left center of dash)
• Air temperature actuator (right) (behind right center of dash)
• B10
• B11
• B12
• Battery
• Blower fuse 40a
• Blower motor
• Blower motor relay
• Blower motor resistor assembly
• Class 2
• Def door pos sig
• Defrost actuator (upper left center of dash)
• Defrost door ctrl
• G102 (left side of engine compartment)
• G201
• Ground
• High
• Hot at all times
• Hot in run
• Hvac 1 fuse 10a
• Hvac control module
• Hvac fuse 30a
• Hvac-b fuse 10a
• Ign 3
• Interior lights system
• Low
• Low ref
• Lps dimming ctrl
• Med1
• Med2
• Med3
• Mode actuator (upper left center of dash)
• Mode door ctrl
• Mode door pos sig
• Nca
• Off
• Off blwr mtr cntrl
• Rear fuse block (below left rear seat)
• Recirc door cntrl
• Recirulation actuator (upper right side of dash)
• Red
• S202 (dash harn, 16 cm from strng col conn breakout)
• S211 (dash harn, 16 cm from sp201)
• S216
• S217
• Solid state
• Sp201 (right front of lower console)
• Sp201 (right frt of lower console)
• Tan
• Under- hood fuse block (left side of engine compt)

Manual A/C Wiring Diagram, Short Wheel Base (2 of 2) for Chevrolet TrailBlazer 2002

List of elements for Manual A/C Wiring Diagram, Short Wheel Base (2 of 2) for Chevrolet TrailBlazer 2002:

• (forward lamp harn,20cm from windshield washer pump breakout)
• (left radiator support) g103
• +5v ref
• 0-12v pulse
• A/c compressor clutch
• A/c compressor clutch relay
• A/c fuse 10a
• A/c low pressure switch (at right rear of eng compt, on accumulator)
• A/c press sig
• A/c refrigerent pressure sensor (on high pressure line near a/c comp)
• Comp rly cntrl
• Cooling fan
• Cooling fan relay
• Data link connector (on bottom of left side of dash)
• E12
• Eng fan fuse 10a
• F12
• G103 (under left radiator support)
• G107 (lower left side of engine block)
• G108 (lower left side of engine block)
• Hall sensor
• High spd maf
• Hot at all times
• Hot in run or start
• Ign e fuse 10a
• Low ref
• Nca
• Powertrain control module (upper left side of engine)
• S103 (fwd lamp harn, 8 cm from rear washer pump breakout)
• S113
• S232 (w/ immobilizer) (dash harn, 10 cm from steering column connector)
• Serial data
• Star connector 1 (on lower left side of dash)
• Underhood fuse block (left side of engine compt)