ENGINE PERFORMANCE – Chevrolet Suburban C2500 2006 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

5.3L VIN Z

5.3L VIN Z, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006

List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006:

• (below left side of dash) data link connector
• (lower right rear of engine) crankshaft position (ckp) sensor
• +12v
• +5v
• 3-2 ss ctrl
• A/c system
• Anti-lock brakes sys
• Brk sw sig
• C10
• Cfan lo rly
• Ckp sig
• Cls 2 data
• Cmp sig
• Cooling fans system
• D10
• E10
• E11
• Ect sig
• Electronic suspension system
• Fuel injectors
• G103 (right rear of engine)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• I/p fuse block
• Ign
• Ign 0 fuse 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inj1 fuse 15a
• Inj2 fuse 15a
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcmb fuse 20a
• Pnk
• Pnk a
• Powertrain control module (left front of engine compt)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Red
• Ref low
• Ref low (a/t)
• Req torq sig
• Rly ctrl
• S103
• S110
• Serial data
• Sp205 (behind left i/p fuse block)
• Starting/ charging system
• Tan
• Under- hood fuse block

5.3L VIN Z, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006

List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006:

• (4.8l & 5.3l)
• (6.0l)
• (dual tanks)
• (in secondary fuel tank) fuel pump & sender assembly (secondary)
• (not used)
• (right rear of engine block)
• Engine coolant temperature sensor (front of left cylinder head)
• Engine oil level switch (lower right side of oil pan)
• Fuel pump & sender assembly (primary) (in fuel tank)
• Fuel pump relay
• Fuel pump relay (secondary) (dual tanks) (on underhood fuse block bracket)
• G103
• G103 (right rear of engine block)
• G104 (left rear of cyl head)
• G110 (left front body mount)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
• Hot at all times
• Hot in run & start
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pcm b fuse 20a
• Pnk
• Red
• S103
• S132
• Sba fuse 15a
• Tan
• Under- hood fuse block
• Underhood fuse block

5.3L VIN Z, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006

List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006:

• (4l60e)
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transmission
• B red
• Brake fuse 10a
• C c
• C12
• Camshaft position sensor (top center rear of engine)
• E b
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emissions (evap) canister purge solenoid (behind throttle body)
• Evaporative emissions canister vent solenoid (right front side of fuel tank)
• F12
• Fuel tank pressure sensor (on fuel tank)
• Hot at all times
• Hot in run
• I/p fuse block
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Red
• Red/
• Rev
• S (4l60e)
• S125
• S312 (in chassis harness)
• Stop lps fuse 25a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Under- hood fuse block
• Underhood fuse block
• Vehicle speed sensor (right rear of transmission)
• W/ adj pedals
• W/o adj pedals

5.3L VIN Z, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006

List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006:

• (behind accelerator pedal) accelerator pedal position sensor
• (in transmission) (4l80e) automatic transmission input shaft speed sensor
• 4ws fuse 15a
• A10
• App sens 1
• App sens 2
• Cruise control system
• Cruise req
• Data
• E11
• Ect/ecm fuse 15a
• G103 (right rear of engine block)
• G104 (left rear of cyl head)
• Gnd
• Ground
• Hot at all times
• Hot in accy, run & start
• Hot in run or start
• I/p fuse block
• Iat sensor
• Ign
• Ing 0 fuse 10a
• Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
• Pnk
• R/a input
• Red
• Ref low
• S/c input
• S102
• S103
• Signal
• Stp lp in
• Tac cntrl
• Tac ctrl
• Tan
• Throttle actuator control module (in left rear of engine compt)
• Throttle body
• Tp sens 1
• Tp sens 2
• Underhood fuse block
• Veh stop fuse 15a

5.3L VIN Z, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006

List of elements for 5.3L VIN Z, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006:

• (in left eng ignition coil jumper harn)
• (in left ignition coil jumper harness)
• (in right eng ignition coil jumper harn)
• (in right ignition coil jumper harness)
• (left side of engine) g102
• 1-2 ss ctrl
• 2-3 ss ctrl
• 4wd low sig
• A/c system
• A12
• Air conditioning system
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• B10
• B11
• Cfan hi rly
• Clu rly ctrl
• Cooling fans system
• Crank fuse 10a
• Crank volt
• Ctrl
• Cycle sig
• Delivered torq
• Evap canp ctrl
• Evap vent ctrl
• Fuel lev sens
• Fuel lev sig
• Fuel press sig
• G103 (right rear of engine block)
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot at all times
• Hot in run & start
• Hot in start
• Iat sig
• Ic1 ctrl
• Ic2 ctrl
• Ic3 ctrl
• Ic4 ctrl
• Ic5 ctrl
• Ic6 ctrl
• Ic7 ctrl
• Ic8 ctrl
• Ign
• Ign feed
• Ignition coils
• Ind ctrl
• Instrument cluster system
• Instrument panel cluster
• Ipc/dic fuse 10a
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm1 fuse 15a
• Pmp rly ctrl
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Press sens sig
• Prnd c sig
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S153
• S157
• S159
• S160
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Transmissions system
• Underhood fuse block
• Vss high sig
• Vss low sig
• Vss out

6.0L VIN U

6.0L VIN U, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006:

• (below left side of dash) data link connector
• (lower right rear of engine) crankshaft position (ckp) sensor
• +12v
• +5v
• 3-2 ss ctrl
• A/c system
• Anti-lock brakes sys
• Brk sw sig
• C10
• Cfan lo rly
• Ckp sig
• Cls 2 data
• Cmp sig
• Cooling fans system
• D10
• E10
• E11
• Ect sig
• Electronic suspension system
• Fuel injectors
• G103 (right rear of engine)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• I/p fuse block
• Ign
• Ign 0 fuse 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inj1 fuse 15a
• Inj2 fuse 15a
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcmb fuse 20a
• Pnk
• Pnk a
• Powertrain control module (left front of engine compt)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Red
• Ref low
• Ref low (a/t)
• Req torq sig
• Rly ctrl
• S103
• S110
• Serial data
• Sp205 (behind left i/p fuse block)
• Starting/ charging system
• Tan
• Under- hood fuse block

6.0L VIN U, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006:

• (4.8l & 5.3l)
• (6.0l)
• (dual tanks)
• (in secondary fuel tank) fuel pump & sender assembly (secondary)
• (not used)
• (right rear of engine block)
• Engine coolant temperature sensor (front of left cylinder head)
• Engine oil level switch (lower right side of oil pan)
• Fuel pump & sender assembly (primary) (in fuel tank)
• Fuel pump relay
• Fuel pump relay (secondary) (dual tanks) (on underhood fuse block bracket)
• G103
• G103 (right rear of engine block)
• G104 (left rear of cyl head)
• G110 (left front body mount)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
• Hot at all times
• Hot in run & start
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pcm b fuse 20a
• Pnk
• Red
• S103
• S132
• Sba fuse 15a
• Tan
• Under- hood fuse block
• Underhood fuse block

6.0L VIN U, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006:

• (4l60e)
• 1-2 sol
• 2-3 sol
• 3-2 sol
• A red
• A/t fluid pressure manual valve position switch
• Automatic transmission
• B red
• Brake fuse 10a
• C c
• C12
• Camshaft position sensor (top center rear of engine)
• E b
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emissions (evap) canister purge solenoid (behind throttle body)
• Evaporative emissions canister vent solenoid (right front side of fuel tank)
• F12
• Fuel tank pressure sensor (on fuel tank)
• Hot at all times
• Hot in run
• I/p fuse block
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Red
• Red/
• Rev
• S (4l60e)
• S125
• S312 (in chassis harness)
• Stop lps fuse 25a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Under- hood fuse block
• Underhood fuse block
• Vehicle speed sensor (right rear of transmission)
• W/ adj pedals
• W/o adj pedals

6.0L VIN U, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006:

• (behind accelerator pedal) accelerator pedal position sensor
• (in transmission) (4l80e) automatic transmission input shaft speed sensor
• 4ws fuse 15a
• A10
• App sens 1
• App sens 2
• Cruise control system
• Cruise req
• Data
• E11
• Ect/ecm fuse 15a
• G103 (right rear of engine block)
• G104 (left rear of cyl head)
• Gnd
• Ground
• Hot at all times
• Hot in accy, run & start
• Hot in run or start
• I/p fuse block
• Iat sensor
• Ign
• Ing 0 fuse 10a
• Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
• Pnk
• R/a input
• Red
• Ref low
• S/c input
• S102
• S103
• Signal
• Stp lp in
• Tac cntrl
• Tac ctrl
• Tan
• Throttle actuator control module (in left rear of engine compt)
• Throttle body
• Tp sens 1
• Tp sens 2
• Underhood fuse block
• Veh stop fuse 15a

6.0L VIN U, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006

List of elements for 6.0L VIN U, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006:

• (in left eng ignition coil jumper harn)
• (in left ignition coil jumper harness)
• (in right eng ignition coil jumper harn)
• (in right ignition coil jumper harness)
• (left side of engine) g102
• 1-2 ss ctrl
• 2-3 ss ctrl
• 4wd low sig
• A/c system
• A12
• Air conditioning system
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• B10
• B11
• Cfan hi rly
• Clu rly ctrl
• Cooling fans system
• Crank fuse 10a
• Crank volt
• Ctrl
• Cycle sig
• Delivered torq
• Evap canp ctrl
• Evap vent ctrl
• Fuel lev sens
• Fuel lev sig
• Fuel press sig
• G103 (right rear of engine block)
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot at all times
• Hot in run & start
• Hot in start
• Iat sig
• Ic1 ctrl
• Ic2 ctrl
• Ic3 ctrl
• Ic4 ctrl
• Ic5 ctrl
• Ic6 ctrl
• Ic7 ctrl
• Ic8 ctrl
• Ign
• Ign feed
• Ignition coils
• Ind ctrl
• Instrument cluster system
• Instrument panel cluster
• Ipc/dic fuse 10a
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm1 fuse 15a
• Pmp rly ctrl
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Press sens sig
• Prnd c sig
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S153
• S157
• S159
• S160
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm ctrl
• Tcc sol ctrl
• Tft sens sig
• Transmissions system
• Underhood fuse block
• Vss high sig
• Vss low sig
• Vss out

8.1L VIN G

8.1L VIN G, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006

List of elements for 8.1L VIN G, Engine Performance Wiring Diagram (1 of 5) for Chevrolet Suburban C2500 2006:

• (below left side of dash) data link connector
• (in left engine ignition coil jumper harn)
• (in right engine ignition coil jumper harn)
• (top left rear of engine) crankshaft position (ckp) sensor
• +5v
• A/c system
• Brk sw sig
• Ckp sig
• Cls 2 data
• Cmp sig
• D10
• Damping sig
• E11
• Ect sig
• Electronic suspension module
• G103 (right rear of engine block)
• Gnd
• Ho2s hi sig
• Ho2s lo
• Hot at all times
• Hot in accy, run & start
• Hot in run & start
• I/p fuse block
• Ign
• Ign 0 fuse 10a
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inj1 fuse 15a
• Inj2 fuse 15a
• Injectors
• Ks signal
• Lvl switch
• O2a fuse 15a
• O2b fuse 15a
• Oil lev sw sig
• Pcmb fuse 20a
• Pnk
• Pnk a
• Powertrain control module (pcm) (left front of engine compt)
• Prnd a sig
• Prnd b sig
• Prnd p sig
• Range b
• Range c
• Red
• Ref low
• Ref low (a/t)
• Rly ctrl
• S103
• S110
• S132
• S152
• S154
• Serial data
• Sp205 (behind left i/p fuse block)
• Starting circuit
• Tan
• Under- hood fuse block

8.1L VIN G, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006

List of elements for 8.1L VIN G, Engine Performance Wiring Diagram (2 of 5) for Chevrolet Suburban C2500 2006:

• (dual tanks)
• (left front body mount) g110
• (left rear of cyl head)
• (left rear of engine
• (left side of transmission) park/neutral position switch
• (not used)
• (right rear of engine block)
• Block) g104
• Coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (middle of right cylinder head)
• Engine oil level switch (lower right side of oil pan)
• Fuel pump & sender assembly (primary) (in fuel tank)
• Fuel pump & sender assembly (secondary) (in 2nd fuel tank)
• Fuel pump relay
• Fuel pump relay (secondary) (dual tanks) (on underhood fuse block bracket)
• G103
• G103 (right rear of engine block)
• G104
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe, before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe, after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe, before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe, after converter)
• Hot at all times
• Hot in run & start
• Knock sensor bank 1 (forward of oil filter)
• Knock sensor bank 2 (left side of engine)
• Nca
• Pcm b fuse 20a
• Pnk
• Red
• S103
• Sba fuse 15a
• Tan
• Underhood fuse block

8.1L VIN G, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006

List of elements for 8.1L VIN G, Engine Performance Wiring Diagram (3 of 5) for Chevrolet Suburban C2500 2006:

• 1-2 sol
• 2-3 sol
• A/t fluid pressure manual valve position switch
• Automatic transmission
• Brake fuse 10a
• C c
• C12
• Camshaft position sensor (left side of timing cover)
• E b
• Engine oil pressure (eop) sensor (top rear of engine)
• Evaporative emissions (evap) canister purge solenoid (left side of throttle body)
• Evaporative emissions canister vent solenoid (right front side of fuel tank)
• F12
• Fluid temp sensor
• Fuel tank pressure sensor (on fuel tank)
• Hot at all times
• Hot in run
• I/p fuse block
• Manifold absolute pressure sensor (top of intake manifold)
• Pnk
• Pnk a
• Pressure control solenoid
• Red
• Rev
• S125
• S312 (in chassis harness)
• Stop lps fuse 25a
• Stoplamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Under- hood fuse block
• Underhood fuse block
• Vehicle speed sensor (right rear of transmission)
• W/ adj pedals
• W/o adj pedals

8.1L VIN G, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006

List of elements for 8.1L VIN G, Engine Performance Wiring Diagram (4 of 5) for Chevrolet Suburban C2500 2006:

• 4ws fuse 15a
• A10
• Accelerator pedal position sensor (behind accelerator pedal)
• Act cntrl
• App sens 1
• App sens 2
• Cruise control system
• Cruise req
• Data
• Ect/ecm fuse 15a
• G103 (right rear of engine block)
• G104 (left rear of cyl head)
• Gnd
• Ground
• Hot at all times
• Hot in run or start
• I/p fuse block
• Iat sensor
• Ign
• Intake air temperature (iat)/ mass airflow (maf) sensor (in air induction tube)
• Pnk
• R/a input
• Red
• Ref low
• S/c input
• S102
• S103
• Signal
• Stp lp in
• Tac ctrl
• Tan
• Throttle actuator control module (in left rear of engine compt)
• Throttle body
• Tp sens 1
• Tp sens 2
• Underhood fuse block
• Veh stop fuse 15a

8.1L VIN G, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006

List of elements for 8.1L VIN G, Engine Performance Wiring Diagram (5 of 5) for Chevrolet Suburban C2500 2006:

• (in left eng ignition coil jumper harn)
• (in left ignition coil jumper harness)
• (in right eng ignition coil jumper harn)
• (in right ignition coil jumper harness)
• (left side of eng block) g102
• 1-2 ss ctrl
• 2-3 ss ctrl
• 4wd circuit
• 4wd low
• A/c system
• A1 a1
• A12
• Anti-lock brakes system
• At iss high sig
• At iss low sig
• B10
• B11 b11
• Charging circuit
• Clu rly ctrl
• Crank fuse 10a
• Crank volt
• Ctrl
• Evap canp ctrl
• Evap vent ctrl
• Fuel lev sens
• Fuel lev sig
• Fuel press sig
• G103 (right rear of engine block)
• Gen
• Gnd
• Ho2s htr low
• Ho2s low ctrl
• Hot at all times
• Hot in run & start
• Hot in start
• Iat sig
• Ic1 ctrl
• Ic2 ctrl
• Ic3 ctrl
• Ic4 ctrl
• Ic5 ctrl
• Ic6 ctrl
• Ic7 ctrl
• Ic8 ctrl
• Ign
• Ign feed
• Ignition coils
• Ind ctrl
• Input shaft speed sensor (in automatic transmission)
• Instrument cluster system
• Instrument panel cluster
• Ipc/dic fuse 10a
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi ctrl
• Pc sol lo ctrl
• Pcm1 fuse 15a
• Pmp rly ctrl
• Pnk
• Pnk d
• Powertrain control module (pcm) (left front of engine compt)
• Press sens sig
• Prnd c sig
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S153
• S157
• S159
• S160
• Spark plug
• Tan
• Tcc pwm ctrl
• Tft sens sig
• Under- hood fuse block
• Vss high sig
• Vss low sig
• Vss out