ENGINE PERFORMANCE
3.7L VIN E
3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2009
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List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2009:
- (above brake pedal assembly) stop lamp switch
- (behind right front kick panel) body control module (bcm)
- (in body harness, approximately 14 cm (5.5 in) to right of stop lamp switch breakout in main harness)
- (in chassis harness, approximately 22.5 cm (8.9 in) from fuel pump & sender assembly connector)
- 4wd low signal
- 5 volt ref
- 5v ref 1
- 5v ref 2
- A/c compressor clutch rly ctrl
- Abs/ vses fuse 29 10a
- Acc
- Accy volt
- Air conditioning system
- Air solenoid relay control
- Anti-theft system
- App sensor 1 signal
- App sensor 2 signal
- Batt pos volt
- Battery positive voltage
- Class 2 serial data
- Cnstr vent fuse 31 10a
- Computer data lines system
- Cruise control release signal
- Cruise control switch signal
- Cruise control system
- Engine control module (ecm) (right rear corner of engine compt)
- Evap canister vent sol ctrl
- Fscm fuse 20a
- Fuel level sensor signal
- Fuel pressure sensor
- Fuel pump
- Fuel pump & sender assembly (mounted on top of fuel tank)
- Fuel pump crtl
- Fuel pump flow control module
- Fuel pump relay control
- Fuel sys ctrl
- Fuel tank pressure sensor signal
- G420 (mounted to left side of rear cross member, near x420)
- Gnd
- Hi spd gmlan
- Hot at all times
- Hot w/ run/crnk relay energized
- Ign 1 volt
- Ign volt
- Ignition switch
- Ignition voltage
- J201
- J207
- J215
- J359
- Lo ref
- Low ref
- Low reference
- Mil control
- Mod shld
- Nca
- Off
- Pnk
- Powertrain relay control
- Press sens sig
- Run
- Ser data bus+
- Ser data bus-
- Sound systems
- Sply volt
- Start
- Starter enable relay control
- Starting/ charging system
- Stop fuse 54 15a
- Stop lamp control
- Tan
- Transmissions system
- Underhood fuse block (above left front wheelwell)
- Vehicle speed signal
3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2009
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List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2009:
- (on lower left side of engine block, forward of g102) g103
- Accelerator pedal position (app) sensor (on accelerator pedal bracket)
- Air pump fuse 62 60a
- Air sol fuse 44 15a
- Air sol relay
- Clstr fuse 10a
- Computer data lines system
- Engine oil ind
- Etc fuse 15a
- Evaporative emission (evap) canister vent solenoid valve (above spare tire)
- Fuel tank pressure (ftp) sensor (top of fuel pump & sender assembly)
- G103 (on lower left side of engine block, forward of g102)
- Hot at all times
- Instrument panel cluster (ipc)
- Logic
- Mil ind
- Nca
- O2 snsr fuse 47 15a
- Pcm-b fuse 25 10a
- Pnk
- Pwr/trn relay 81
- Red
- Secondary air injection (air) pump (w/ electric air injection reactor) (mounted to right front side of radiator support)
- Secondary air injection (air) pump relay (top of engine, at rear of intake)
- Secondary air injection (air) pump solenoid (w/ electric air injection reactor) (right side of engine, above exhaust)
- Serial data
- Tan
- Underhood fuse block (above left front wheelwell)
- Up shift ind
3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2009
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List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2009:
- (attached to fuel rail cylinders 1, 2, 3, 4 & 5) fuel injectors
- (in center front of cam cover at cylinders 1, 2, 3, 4 & 5)
- 5v reference
- 5v reference 1
- A pnk
- Air conditioning system
- Air relay control
- Anti-lock brakes system
- Clutch position sensor (m/t)
- Computer data lines system
- Delivered torque
- Duty cycle signal generator field
- Engine control module (ecm) (right rear corner of engine compt)
- Evap canister purge
- Generator
- High speed gmlan
- Ignition coil 1
- Ignition coil 2
- Ignition coil 3
- Ignition coil 4
- Ignition coil 5
- J103 (in engine compt harness, near grille lamps relay, by master cylinder)
- Low reference
- Nca
- Pnk
- Pnp/clutch
- Regulator ctrl
- Requested torque signal
- Serial data bus +
- Serial data bus -
- Signal
- Solenoid control
- Spark plug
- Start sw sig
- Starting/charging system
- Tan
3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2009
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List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2009:
- (on lower left side of engine block, forward of g102) g103
- (top of engine, mounted on upper air intake manifold) throttle body
- A/c refrigerant
- Air conditioning system
- Air injection reaction ctrl valve ctrl
- Air pump rly/tcm fuse 17 10a
- Cpp sensor signal
- Ect sensor signal
- Engine control module (ecm) (right rear corner of engine compt)
- Engine coolant temperature (ect) sensor (front left of engine)
- Erls fuse 22 15a
- Evaporative emission (evap) canister purge solenoid valve (below intake, in back of alternator)
- Hot w/ run/crnk relay 78 energized
- Ign 1 fuse 33 15a
- Inj fuse 23 15a
- Instrument cluster system
- Manifold absolute pressure (map) sensor (at top right side rear of engine, on intake manifold)
- Map sensor signal
- Nca
- Oil press sw sig
- Pcm-i fuse 21 10a
- Pnk
- Press sens sig
- Tan
- Underhood fuse block (above left front wheelwell)
- Vehicle speed sensor (vss) (m/t) (left rear of transfer case)
- Vss high signal
- Vss low signal
3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2009
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List of elements for 3.7L VIN E, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2009:
- (on lower left side of engine block, rearward of g103) g102
- 5v ref 2
- Camshaft position (cmp) sensor
- Camshaft position (cmp) actuator solenoid valve
- Ckp sensor signal
- Cmp actuator sol
- Cmp sensor sig
- Crankshaft position (ckp) sensor (left rear of engine block, below starter)
- Engine control module (ecm) (right rear corner of engine compt)
- Fuel injector 1 control
- Fuel injector 2 control
- Fuel injector 3 control
- Fuel injector 4 control
- Fuel injector 5 control
- Ground
- Heated oxygen sensor (ho2s) 1 (on exhaust manifold on left side of engine)
- Heated oxygen sensor (ho2s) 2 (in exhaust pipe, adjacent to transmission)
- Ho2s heater high ctrl sens 1
- Ho2s heater low ctrl sens 2
- Ho2s high signal sensor 1
- Ho2s high signal sensor 2
- Ho2s low signal sensor 1
- Ho2s low signal sensor 2
- Iat sensor signal
- Ic 1 control
- Ic 2 control
- Ic 3 control
- Ic 4 control
- Ic 5 control
- Ignition voltage
- Knock sensor (ks) bank 2 (below intake manifold, near front of engine)
- Knock sensor signal
- Low ref
- Low reference
- Maf sensor signal
- Mass air flow (maf)/ intake air temperature (iat) sensor (between air cleaner & throttle body)
- Nca
- Pnk
- Red
- Tac motor control 1
- Tac motor control 2
- Tp sensor 1 signal
- Tp sensor 2 signal
- X3 underhood fuse block (above left x3 front wheelwell)
5.3L VIN L
5.3L VIN L, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2009
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List of elements for 5.3L VIN L, Engine Performance Wiring Diagram (1 of 5) for Hummer H3T 2009:
- (behind right front kick panel) body control module (bcm)
- (in body harness, approximately 14 cm (5.5 in) to right of stop lamp switch breakout in main harness)
- 4wd low signal
- 5 volt reference
- 5v ref 1
- 5v ref 2
- A/c compressor clutch rly ctrl
- Abs/ vses fuse 29 10a
- Acc
- Accy volt
- Air conditioning system
- Anti-theft system
- App sensor 1 signal
- App sensor 2 signal
- Batt pos volt
- Battery positive voltage
- Class 2 serial data
- Cnstr vent fuse 31 10a
- Computer data lines system
- Cruise control release signal
- Cruise control switch signal
- Cruise control system
- Engine control module (ecm) (right rear corner of engine compt)
- Evap canister vent sol ctrl
- Fscm fuse 54 20a
- Fuel level sensor signal
- Fuel pressure sensor
- Fuel pump flow control module
- Fuel pump relay control
- Fuel pump sply volt
- Fuel tank pressure sensor signal
- G420 (mounted to left side rear cross member, near x420)
- Ground
- Hot at all times
- Hot w/ run/crnk relay energized
- Ign volt
- Ignition 1 voltage
- Ignition switch
- Ignition voltage
- J201
- J207
- J215
- Low ref
- Low reference
- Mil control
- Nca
- Off
- Pnk
- Powertrain relay control
- Press sens sig fuel line
- Relay control fuel pump
- Run
- Serial data bus+ hi spd gmlan
- Serial data bus- hi spd gmlan
- Shield extension fuel sys crtl mod
- Sound systems
- Start
- Starter enable relay control
- Starting/ charging system
- Stop fuse 50 15a
- Stop lamp control
- Stop lamp switch (above brake pedal assembly)
- Tan
- Transmissions system
- Underhood fuse block (above left front wheelwell)
- Vehicle speed signal
5.3L VIN L, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2009
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List of elements for 5.3L VIN L, Engine Performance Wiring Diagram (2 of 5) for Hummer H3T 2009:
- A/c refrigerant
- Accelerator pedal position (app) sensor (on accelerator pedal bracket)
- Air conditioning system
- Clstr fuse 10a
- Computer data lines system
- Ect sensor signal
- Engine control module (ecm) (right rear corner of engine compt)
- Engine coolant temperature (ect) sensor (front left of engine)
- Engine oil ind
- Etc fuse 15a
- Evaporative emission (evap) canister vent solenoid valve (above spare tire)
- Fuel pump & sender assembly (mounted on top of fuel tank)
- Fuel tank pressure (ftp) sensor (top of fuel pump & sender assembly)
- Hot at all times
- Instrument panel cluster (ipc)
- J359 (in chassis harness, approximately 22.5 cm (8.9 in) from fuel pump & sender assembly connector)
- Logic
- Manifold absolute pressure (map) sensor (top of engine, above intake manifold)
- Map sensor signal
- Mil ind
- Nca
- O2 snsr fuse 47 15a
- Pcm-b fuse 25 10a
- Pnk
- Press sens sig
- Pwr/trn relay 81
- Serial data
- Tan
- Underhood fuse block (above left front wheelwell)
5.3L VIN L, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2009
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List of elements for 5.3L VIN L, Engine Performance Wiring Diagram (3 of 5) for Hummer H3T 2009:
- (top of cylinder head, above cylinders 1, 3, 5 & 7)
- (upper right side of engine, above cylinders 2, 4, 6 & 8) fuel injectors
- 5v reference
- 5v reference 1
- A pnk
- Air conditioning system
- Anti-lock brakes system
- Bank 2 & sens 1
- Bank 2 & sens 2
- C red
- Computer data lines system
- D pnk
- Delivered torque
- Duty cycle signal generator field
- Engine control module (ecm) (right rear corner of engine compt)
- Engine left coil harness
- Evap canister purge
- G103 (on lower left side of engine block, forward of g102)
- Heated oxygen sensor (ho2s) bank 2 sensor 1 (left side exhaust, after catalytic converter)
- Heated oxygen sensor (ho2s) bank 2 sensor 2 (right side exhaust, after catalytic converter)
- High speed gmlan
- Ho2s heater low
- Ignition coil 1
- Ignition coil 3
- Ignition coil 5
- Ignition coil 7
- J113
- J114
- J118
- J128
- Low reference
- Nca
- Pnk
- Pnp/clutch
- Red
- Regulator ctrl generator
- Requested torque signal
- Serial data bus +
- Serial data bus -
- Signal
- Solenoid control
- Spark plug
- Start sw sig
- Starting/ charging system
- Tan
5.3L VIN L, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2009
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List of elements for 5.3L VIN L, Engine Performance Wiring Diagram (4 of 5) for Hummer H3T 2009:
- (engine harness) j111
- (right engine coil harness) j116
- (top of cylinder head, above cylinders 2, 4, 6 & 8)
- (top of engine, mounted on upper air intake manifold) throttle body
- Erls fuse 22 15a
- Evaporative emission (evap) canister purge solenoid valve (top of intake manifold near rear of throttle body)
- Fuel injectors (upper left side of engine, above cylinders 1, 3, 5 & 7)
- G103 (on lower left side of engine block, forward of g102)
- Hot w/ run/crnk relay 78 energized
- Ign 1 fuse 33 20a
- Ignition coil 2
- Ignition coil 4
- Ignition coil 6
- Ignition coil 8
- Inj fuse 23 20a
- J117
- J129
- Nca
- Pcm-i fuse 21 10a
- Pnk
- Pnk a
- Pnk d
- Red
- Red c
- Spark plug
- Underhood fuse block (above left front wheelwell)
5.3L VIN L, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2009
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List of elements for 5.3L VIN L, Engine Performance Wiring Diagram (5 of 5) for Hummer H3T 2009:
- (on lower left side of engine block, rearward of g103) g102
- 5v ref 1
- 5v ref 2
- Camshaft position (cmp) sensor (front of engine above crank pulley)
- Ckp sensor signal
- Cmp sensor signal
- Crankshaft position (ckp) sensor (mounted to right rear of engine block behind starter motor)
- Engine control module (ecm) (right rear corner of engine compt)
- Engine)
- Fuel injector 1 control
- Fuel injector 2 control
- Fuel injector 3 control
- Fuel injector 4 control
- Fuel injector 5 control
- Fuel injector 6 control
- Fuel injector 7 control
- Fuel injector 8 control
- Ground
- Heated oxygen sensor (ho2s) bank 1 sensor 1 (left side exhaust, before catalytic converter)
- Heated oxygen sensor (ho2s) bank 1 sensor 2 (right side exhaust, before catalytic converter)
- Ho2s heater low bank 1 sens 1
- Ho2s heater low bank 1 sens 2
- Ho2s high sig bank 1 sens 1
- Ho2s high sig bank 1 sens 2
- Ho2s low sig bank 1 sens 1
- Ho2s low sig bank 1 sens 2
- Iat sensor signal
- Ic 1 control
- Ic 2 control
- Ic 3 control
- Ic 4 control
- Ic 5 control
- Ic 6 control
- Ic 7 control
- Ic 8 control
- Ignition voltage
- Instrument cluster system
- Knock sensor (ks) 1 (lower left side of b
- Knock sensor (ks) 2 (lower right side of engine)
- Knock sensor 1 signal
- Knock sensor 2 signal
- Low reference
- Maf sensor signal
- Mass air flow (maf) sensor/intake air temperature (iat) sensor (between air cleaner & throttle body)
- Oil pressure sensor signal
- Pnk
- Red
- Tac motor control 1
- Tac motor control 2
- Tan
- Tp sensor 1 signal
- Tp sensor 2 signal
- X3 underhood fuse block (above left x3 front wheelwell)