ENGINE PERFORMANCE – Chevrolet TrailBlazer 2006 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.2L VIN S

4.2L VIN S, Engine Performance Wiring Diagram (1 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (1 of 7) for Chevrolet TrailBlazer 2006:

• 4wd low sig
• 5 volt ref
• A/c compr rly
• A/c press sens
• A/c system
• Accelerator pedal position (app) sensor (above accelerator pedal, on bracket)
• Air pump relay
• Anti-lock brakes system
• App sens 1 sig
• App sens 2 sig
• B10
• Battery
• Cc on sw input
• Cls 2 data
• Computer data lines system
• Cool fan clutch
• Cooling fan sp
• Cooling fans system
• Crank voltage
• Cruise control system
• Eng spd sig out
• Evap can vent
• Fuel lvl
• Fuel pmp rly
• Fuel tank press
• Fuel tank pressure sensor (swb: top left rear of fuel tank) (lwb: top of fuel tank)
• Hot at all times
• Hot in accy, run or start
• Hot in run or start
• Ign 0 fuse 47 10a
• Ign 0 volt
• Ign 1 volt
• Ign 1 voltage
• Ign e fuse 22 10a
• Instrument cluster system
• Instrument panel cluster
• Low ref
• Malfunction indicator lamp
• Mil ctrl
• Pcm b fuse 10 20a
• Pnk
• Pnp sw input
• Powertrain control module (pcm) (on upper left side of engine)
• Pwrtrn rly coil
• Rear fuse block (below left rear seat)
• Res/acc sw
• S239
• S320
• Set/cruise sw
• Starting/ charging system
• Starting/charging system
• Stop lamp switch (on brake pedal assembly)
• Stop lamp volt
• Strt enable rel
• Tan
• Tcc rel sw sig
• Transfer case circuit
• Underhood fuse block (on left side of engine compt) c2
• Vss signal out

4.2L VIN S, Engine Performance Wiring Diagram (2 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (2 of 7) for Chevrolet TrailBlazer 2006:

• (outside of left frame rail, near fuel tank) g305
• A11
• Air pump fuse 56 60a
• Air sol fuse 54 15a
• Air sol relay
• Camshaft position (cmp) sensor (right front of engine block)
• D11
• E11
• F/pmp relay
• Fuel pump/ & sender assembly (2006: inside fuel tank) (2007: top of fuel tank)
• G107 (lower left side of engine)
• G107 (on lower left side of engine)
• Hot at all times
• Hot in run or start
• Nca
• Pcm b fuse 10 20a
• Pnk
• Red
• S306
• Secondary air injection pump (left front of chassis)
• Secondary air injection pump relay (left front of chassis)
• Secondary air injection solenoid (upper right side of engine)
• Tac motor
• Throttle body
• Underhood fuse block (on left side of engine compt)
• Underhood fuse block (on left side of engine compt) c1

4.2L VIN S, Engine Performance Wiring Diagram (3 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (3 of 7) for Chevrolet TrailBlazer 2006:

• (left rear of engine block, below starter) crankshaft (ckp)
• (on upper left side of engine) manifold absolute pressure sensor
• (top of engine) injectors
• Camshaft actuator solenoid assembly (right front of cylinder head)
• Engine coolant temperature (ect) sensor (lower right rear of engine block)
• Hot in run or start
• Pcm i fuse 28 15a
• Pnk
• Position sensor
• Red
• S111
• Underhood fuse block (on left side of engine compt)

4.2L VIN S, Engine Performance Wiring Diagram (4 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (4 of 7) for Chevrolet TrailBlazer 2006:

• (on upper left side of engine) powertrain control module (pcm)
• (upper right side of engine) secondary air injection solenoid
• 12v ref
• 5v ref
• Air sol relay
• Cam pos sol hi
• Ckp sens sig
• Cooling fans system
• Cpm sens sig
• Ect sens sig
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• G108 (on lower left side of engine)
• Gen turn on sig
• Gfd cyc sig
• Ground
• H02s hi sig sens 1
• Ho2s htr lo s1
• Ho2s lo sig s1
• Iat sens sig
• Ic 1 ctrl
• Ic 2 ctrl
• Ic 3 ctrl
• Ic 4 ctrl
• Ic 5 ctrl
• Ic 6 ctrl
• Ks 1 sig
• Ks 2 sig
• Low ref
• Maf sen sig
• Map sens sig
• Pnk
• Powertrain control module (pcm) (on upper left side of engine)
• Red
• Starting/ charging system
• Starting/charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

4.2L VIN S, Engine Performance Wiring Diagram (5 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (5 of 7) for Chevrolet TrailBlazer 2006:

• (lower left side of engine) evaporative emission (evap) canister purge solenoid
• (swb: rear of fuel tank) (lwb: top of fuel tank) evaporative emission (evap) canister vent solenoid
• C10
• C11
• Ctrl
• Etc fuse 23 10a
• Gnd
• Hot at all times
• Hot in run or start
• Ign
• Ignition coils
• Knock sensor 1 (front) (lower left front of engine block)
• Knock sensor 2 (rear) (lower left rear of engine block)
• Nca
• O2 snsr fuse 29 10a
• Pnk
• Pnk a
• Pwr/ trn relay
• Spark plug
• Tan
• Tcm cnstr fuse 26 10a
• Underhood fuse block (on left side of engine compt)

4.2L VIN S, Engine Performance Wiring Diagram (6 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (6 of 7) for Chevrolet TrailBlazer 2006:

• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• Automatic transmission
• Automatic transmission fluid
• C10
• D10
• D2 sw
• D3 sw
• D4 sw
• E10
• F10
• G109 (on lower left side of engine)
• Lo sw
• Pnk
• Pressure control solenoid
• Red
• Red s133
• Rev sw
• Solenoid tcc pmw
• Tan
• Tcc solenoid
• Temperature sensor
• Underhood fuse block (on left side of engine compt)
• Valve
• Vehicle speed sensor (vss) (left rear of transfer case)

4.2L VIN S, Engine Performance Wiring Diagram (7 of 7) for Chevrolet TrailBlazer 2006

List of elements for 4.2L VIN S, Engine Performance Wiring Diagram (7 of 7) for Chevrolet TrailBlazer 2006:

• (on lower left side of transmission) park/neutral position switch
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Air inj ctrl vlv 1
• Anti-lock brakes system
• Delivered torq sig
• Engine oil pressure switch lower right of engine block)
• Evap can prg ctl
• G108 (on lower left side of engine)
• Heated oxygen sensor 1 (on exhaust manifold, on right side of engine)
• Heated oxygen sensor 2 (downstream of catalytic converter)
• Ho2s hi sig
• Ho2s lo htr ctrl
• Ho2s low sig
• Low oil press sw
• Low ref
• Mass air flow (maf)/ intake air temperature (iat) sensor (in air intake duct, on top right of engine)
• Nca
• Oil press sw sig
• Pc sol hi ctrl
• Pc sol low ctrl
• Pnk
• Powertrain control module (pcm) (upper left side of engine)
• Red
• Req torq sig
• S101
• Tan
• Tcc pwm sol
• Tcc sol vlv ctrl
• Tfp sw sig a
• Tfp sw sig b
• Tfp sw sig c
• Tft sens sig
• Tran rg sw sig a
• Trs sig b
• Trs sig c
• Trs sig p
• Underhood fuse block
• Underhood fuse block (on left side of engine compt)
• Vss hi sig
• Vss low sig

5.3L VIN M

5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for Chevrolet TrailBlazer 2006

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (1 of 5) for Chevrolet TrailBlazer 2006:

• (not used)
• 5 volt
• A/c ref pre sen
• A/c refrigerant pressure sensor (on high pressure line, near a/c compressor)
• A12
• Anti-lock brakes system
• App sens 1
• App sens 2
• Battery
• Computer data lines system
• Coo fan speed sig
• Cool fan clu ctrl
• Cooling fans system
• Crank fuse 17 10a
• Crank volt
• Cruise control system
• Cruise on sw sig
• Ecm i fuse 15a
• Eng speed sig
• Engine control module (ecm) (near lower left front of engine)
• Engine speed
• Evap can
• Evaporative emission (evap) canister vent solenoid (swb: at rear of fuel tank) (lwb: top of fuel tank)
• Exterior lights system
• Ftp sens
• Fuel lvl sens sig
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump rly
• Fuel tank pressure (ftp) sensor (swb: at top left rear of fuel tank) (lwb: top of fuel tank)
• Fuel/ pmp relay
• G107 (on lower left side of engine)
• G305 (on outside of left frame rail, near fuel tank)
• Hot at all times
• Hot in run or start
• Hot in start
• Ign 0 volt
• Ign 1 volt
• Ign e fuse 10a
• Instrument cluster system
• Instrument panel cluster
• Logic
• Low ref
• Malfunction indicator lamp
• Mil ctrl
• Pcm b fuse 10 20a
• Pnk
• Pnp sw
• Pwr diag
• Res/acc sw sig
• S239
• S306
• S359
• Serial data
• Set/coast sw sig
• St/lp fuse 12 25a
• Start relay
• Starting/charging system
• Stop lamp switch (on brake pedal assembly)
• Tan
• Tcc brake sw
• Tcm/ canister fuse 15 10a
• Underhood fuse block (on left side of engine compt)
• Vss

5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for Chevrolet TrailBlazer 2006

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (2 of 5) for Chevrolet TrailBlazer 2006:

• (above accelerator pedal, on bracket) accelerator pedal position (app) sensor
• (at top rear of engine) valve lifter oil manifold (vlom) assembly
• (on power brake booster) brake booster vacuum sensor
• 4wd lo sig
• 5 volt
• A/c comp rly
• Air conditioning system
• Anti-lock brakes system
• Brk booster
• Cooling fans system
• Del torque
• Engine control module (ecm) (near lower left front of engine)
• Front hi sig
• Ho2s hi sig
• Ho2s htr lo
• Ho2s lo sig
• Hot in acc, run or start
• Iat sensor
• Ign 0 fuse 47 10a
• Low ref
• Maf sensor
• Pnk
• Rear fuse block (below left rear seat)
• Req torq
• S105
• S320
• Shutoff cylinder solenoid 1, cylinder 1
• Shutoff cylinder solenoid 2, cylinder 4
• Shutoff cylinder solenoid 3, cylinder 6
• Shutoff cylinder solenoid 4, cylinder 7
• Tan
• Transmissions system
• Veh stop fuse 34 15a

5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for Chevrolet TrailBlazer 2006

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (3 of 5) for Chevrolet TrailBlazer 2006:

• (at bottom front of engine) camshaft position (cmp) sensor
• (at rear of engine) engine oil pressure (eop) sensor
• (at right rear of engine, adjacent to starter) crankshaft position (ckp) sensor
• (on left side of engine block)
• (on left side of engine compt) underhood fuse block
• A11
• C1 c1
• C11
• Ecm fuse 29 10a
• Eng i fuse 26 15a
• Evaporative emission (evap) canister purge solenoid
• F10
• F11 f11
• G108 (on lower left side of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (in left bank exhaust pipe, ahead of catalytic converter)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (in left bank exhaust pipe, behind catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (in right bank exhaust pipe, ahead of catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 2 (in right bank exhaust pipe, behind catalytic converter)
• Hot at all times
• Iat
• Inj a fuse 31 20a
• Inj b fuse 56 20a
• Maf
• Mass airflow (maf)/intake air temperature (iat) sensor (in air intake duct)
• Nca
• O2a fuse 55 10a
• O2b fuse 54 10a
• Pnk
• Pnk pnk
• Powertrain relay 60
• Red
• S101
• S112
• Tac fuse 23 15a
• Tan
• Underhood fuse block (on left side of engine compt)

5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for Chevrolet TrailBlazer 2006

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (4 of 5) for Chevrolet TrailBlazer 2006:

• Fuel injectors
• Left knock sensor (ks) 1 (lower left side of engine)
• Manifold absolute pressure (map) sensor (top of engine)
• Pnk
• Red
• S100
• S102
• Tan
• Throttle body

5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for Chevrolet TrailBlazer 2006

List of elements for 5.3L VIN M, Engine Performance Wiring Diagram (5 of 5) for Chevrolet TrailBlazer 2006:

• (in ignition coil jumper
• (on lower left side of engine) g109
• 12 volt ref
• 5 volt ref
• Ckp sensor
• Cmp sensor
• Ctrl
• Cyl shut sol 1
• Cyl shut sol 2
• Cyl shut sol 3
• Cyl shut sol 4
• Ect sens sig
• Engine control module (ecm) (near lower left front of engine)
• Engine coolant temperature (ect) sensor (on left front of engine block, near generator)
• Evap can sol
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• Gen field
• Gnd
• Harness, 5 cm from breakout to c108)
• Harness, 5 cm from breakout to c109)
• Ho2s heater lo
• Ho2s hi
• Ho2s hi sig
• Ho2s htr lo
• Ho2s low
• Ho2s low sig
• Ign
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ignition coils
• Ks 1 sens sig
• Ks 2 sensor sig
• Low ref
• Map sensor
• Nca
• Nca nca
• Oil press
• Pnk
• Red
• Ref lo
• Right knock sensor (ks) 2 (right side of engine block)
• S101
• S108
• S109
• S118
• S119
• S128
• S129
• Spark plug
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sens 1 sig
• Tp sens 2 sig

6.0L VIN H

6.0L VIN H, Engine Performance Wiring Diagram (1 of 5) for Chevrolet TrailBlazer 2006

List of elements for 6.0L VIN H, Engine Performance Wiring Diagram (1 of 5) for Chevrolet TrailBlazer 2006:

• (not used)
• 5 volt
• A/c ref pre sen
• A/c refrigerant pressure sensor (on high pressure line, near a/c compressor)
• A12
• Anti-lock brakes system
• App sens 1
• App sens 2
• Battery
• Computer data lines system
• Coo fan speed sig
• Cool fan clu ctrl
• Cooling fans system
• Crank fuse 17 10a
• Crank volt
• Cruise control system
• Cruise on sw sig
• Ecm i fuse 15a
• Eng speed sig
• Engine control module (ecm) (near lower left front of engine)
• Engine speed
• Evap can
• Evaporative emission (evap) canister vent solenoid (swb: at rear of fuel tank) (lwb: top of fuel tank)
• Exterior lights system
• Ftp sens
• Fuel lvl sens sig
• Fuel pump & sender assembly (inside fuel tank)
• Fuel pump rly
• Fuel tank pressure (ftp) sensor (swb: at top left rear of fuel tank) (lwb: top of fuel tank)
• Fuel/ pmp relay
• G107 (on lower left side of engine)
• G305 (on outside of left frame rail, near fuel tank)
• Hot at all times
• Hot in run or start
• Hot in start
• Ign 0 volt
• Ign 1 volt
• Ign e fuse 10a
• Instrument cluster system
• Instrument panel cluster
• Logic
• Low ref
• Malfunction indicator lamp
• Mil ctrl
• Pcm b fuse 10 20a
• Pnk
• Pnp sw
• Pwr diag
• Res/acc sw sig
• S239
• S306
• S359
• Serial data
• Set/coast sw sig
• St/lp fuse 12 25a
• Start relay
• Starting/charging system
• Stop lamp switch (on brake pedal assembly)
• Tan
• Tcc brake sw
• Tcm/ canister fuse 15 10a
• Underhood fuse block (on left side of engine compt)
• Vss

6.0L VIN H, Engine Performance Wiring Diagram (2 of 5) for Chevrolet TrailBlazer 2006

List of elements for 6.0L VIN H, Engine Performance Wiring Diagram (2 of 5) for Chevrolet TrailBlazer 2006:

• (above accelerator pedal, on bracket) accelerator pedal position (app) sensor
• (not used)
• 4wd lo sig
• 5 volt
• A/c comp rly
• Air conditioning system
• Anti-lock brakes system
• Cooling fans system
• Del torque
• Engine control module (ecm) (near lower left front of engine)
• Front hi sig
• Ho2s hi sig
• Ho2s htr lo
• Ho2s lo sig
• Hot in acc, run or start
• Iat sensor
• Ign 0 fuse 47 10a
• Low ref
• Maf sensor
• Pnk
• Rear fuse block (below left rear seat)
• Req torq
• S105
• S320
• Tan
• Transmissions system
• Veh stop fuse 34 15a

6.0L VIN H, Engine Performance Wiring Diagram (3 of 5) for Chevrolet TrailBlazer 2006

List of elements for 6.0L VIN H, Engine Performance Wiring Diagram (3 of 5) for Chevrolet TrailBlazer 2006:

• (at bottom front of engine) camshaft position (cmp) sensor
• (at rear of engine) engine oil pressure (eop) sensor
• (at right rear of engine, adjacent to starter) crankshaft position (ckp) sensor
• (on left side of engine block)
• (on left side of engine compt) underhood fuse block
• A11
• C1 c1
• C11
• Ecm fuse 29 10a
• Eng i fuse 26 15a
• Evaporative emission (evap) canister purge solenoid
• F10
• F11 f11
• G108 (on lower left side of engine)
• Heated oxygen sensor (ho2s) bank 1 sensor 1 (in left bank exhaust pipe, ahead of catalytic converter)
• Heated oxygen sensor (ho2s) bank 1 sensor 2 (in left bank exhaust pipe, behind catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 1 (in right bank exhaust pipe, ahead of catalytic converter)
• Heated oxygen sensor (ho2s) bank 2 sensor 2 (in right bank exhaust pipe, behind catalytic converter)
• Hot at all times
• Iat
• Inj a fuse 31 20a
• Inj b fuse 56 20a
• Maf
• Mass airflow (maf)/intake air temperature (iat) sensor (in air intake duct)
• Nca
• O2a fuse 55 10a
• O2b fuse 54 10a
• Pnk
• Pnk pnk
• Powertrain relay 60
• Red
• S101
• Tac fuse 23 15a
• Tan
• Underhood fuse block (on left side of engine compt)

6.0L VIN H, Engine Performance Wiring Diagram (4 of 5) for Chevrolet TrailBlazer 2006

List of elements for 6.0L VIN H, Engine Performance Wiring Diagram (4 of 5) for Chevrolet TrailBlazer 2006:

• Fuel injectors
• Left knock sensor (ks) 1 (lower left side of engine)
• Manifold absolute pressure (map) sensor (top of engine)
• Pnk
• Red
• S100
• S102
• Tan
• Throttle body

6.0L VIN H, Engine Performance Wiring Diagram (5 of 5) for Chevrolet TrailBlazer 2006

List of elements for 6.0L VIN H, Engine Performance Wiring Diagram (5 of 5) for Chevrolet TrailBlazer 2006:

• (in ignition coil jumper
• (on lower left side of engine) g109
• 12 volt ref
• 5 volt ref
• Ckp sensor
• Cmp sensor
• Ctrl
• Ect sens sig
• Engine control module (ecm) (near lower left front of engine)
• Engine coolant temperature (ect) sensor (on left front of engine block, near generator)
• Evap can sol
• Fuel inj 1 ctrl
• Fuel inj 2 ctrl
• Fuel inj 3 ctrl
• Fuel inj 4 ctrl
• Fuel inj 5 ctrl
• Fuel inj 6 ctrl
• Fuel inj 7 ctrl
• Fuel inj 8 ctrl
• Gen field
• Gnd
• Harness, 5 cm from breakout to c108)
• Harness, 5 cm from breakout to c109)
• Ho2s heater lo
• Ho2s hi
• Ho2s hi sig
• Ho2s htr lo
• Ho2s low
• Ho2s low sig
• Ign
• Ign ctrl 1
• Ign ctrl 2
• Ign ctrl 3
• Ign ctrl 4
• Ign ctrl 5
• Ign ctrl 6
• Ign ctrl 7
• Ign ctrl 8
• Ignition coils
• Ks 1 sens sig
• Ks 2 sensor sig
• Low ref
• Map sensor
• Nca
• Nca nca
• Oil press
• Pnk
• Red
• Ref lo
• Right knock sensor (ks) 2 (right side of engine block)
• S101
• S108
• S109
• S118
• S119
• S128
• S129
• Spark plug
• Starting/ charging system
• Tac mtr ctrl 1
• Tac mtr ctrl 2
• Tan
• Tp sens 1 sig
• Tp sens 2 sig