ENGINE PERFORMANCE – Pontiac Grand Prix GT 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L VIN 2

3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GT 2004:

• (fuel injector harn, on top of engine)
• (in engine oil pan) engine oil level switch
• (on transaxle stud, near starter) g113
• (pins 62-72 not used)
• (right top
• (top right rear of engine, above
• (top right rear of engine, near throttle body) exhaust gas recirculation valve
• (top right side of
• (vin 2)
• (vin 4)
• 5 volt ref
• Baro sens sig
• Barometric pressure sensor
• Cmp sensor
• Ect sensor sig
• Egr pos sig
• Egr sol high
• Egr sol low
• Engine coolant temperature sensor (vin 2: top right of intake manifold) (vin 4: top left rear of engine)
• Engine oil pressure switch (below pwr steering pump)
• Evap canister purge solenoid (below throttle body)
• Evap purge sol
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G113 (on transaxle stud, near starter)
• Gen on sig
• Generator
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold)
• Ho2s heater 1
• Ho2s sig high
• Ho2s sig low
• Ic timing ctrl
• Ic timing sig
• Intake manifold)
• Knock sensor bank 1 (right side of engine, above starter)
• Knock sensor bank 2 (right side of engine, below exhst manifold)
• Knock sensor 1
• Knock sensor 2
• Low eng speed
• Low ref
• Map sensor
• Map sensor sig
• Med eng speed
• Nca
• Of engine)
• Oil level sw
• Oil press sig
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Red
• S101
• S109
• Spark timing
• Tan
• Uart data
• Valve cover)

3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GT 2004:

• (front of engine) camshaft position sensor
• (front of engine) crankshaft position sensor
• (icm harn, top of engine, near icm)
• (lower left side of engine block)
• (not used)
• 1.50
• 2ndary uart
• 4.42
• 5 volt ref
• 8.25
• A11
• Aap sensor 1
• Accelerator pedal position switch (under left side of dash)
• App sensor 2
• Body control module
• C11
• Cruise fuse 2a
• E12
• Elek ign fuse 24 15a
• Etc fuse 17 15a
• From p/train relay (diagram 4 of 5)
• Fuel inj fuse 20 15a
• G112
• G113 (on transaxle stud, near starter)
• Ground
• Hot in run or start
• I/p fuse block (behind right side of dash)
• Ign 1 volt
• Ignition control module (icm) (top left front of eng)
• Inflatable restraint steering wheel coil
• Left tap shift switch
• Low ref
• Pnk
• Primary uart
• Right tap shift switch
• S102
• S144
• S145
• Spark plugs
• Stop lamp
• Stop lamp switch signal
• Tan
• Tap dn
• Tap up
• Throttle actuator control module (on throttle body)
• Trans sol fuse 21 10a
• Underhood fuse block (mounted to right strut tower)
• Vehicle spd

3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GT 2004:

• 1-2 shift solenoid
• 2-3 shift solenoid
• At iss sig
• Automatic transaxle
• Boost sol
• Deliver torque
• Fluid temp sensor
• G113 (on transaxle stud, near starter)
• Ho2s heater 2
• Ho2s sig high 2
• Ho2s sig low 2
• Iat sensor sig
• Input shaft speed sensor
• Low ref
• Maf sensor sig
• Oss sig
• Pc sol
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Pressure control solenoid
• Red
• Request torque
• S101
• Shift sol a
• Shift sol b
• Tan
• Tcc release switch
• Tcc sol
• Tcc sw sig
• Tft snesor sig
• Torque converter clutch solenoid
• Tr sw a
• Tr sw b
• Tr sw c
• Tr sw p
• Trans- mission internal mode switch
• Vehicle speed sensor (lower right side of engine compt, on transaxle)

3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GT 2004:

• (in air cleaner duct)
• Canister fuse 10a
• D11
• Electronic brake control module (left side of engine compt)
• Emission fuse 12 10a
• Evap canister vent solenoid (behind left rear wheelwell)
• F12
• Fuel pp fuse 22 15a
• Fuel pp relay
• G113 (on transaxle stud, near starter)
• Heated oxygen sensor (ho2s) 2 (rear of catalytic converter)
• Hot at all times
• I/p fuse block (behind right side of dash)
• Iat
• Intake air temperature/ mass air flow sensor
• Maf
• Nca
• O2 ssr fuse 14 15a
• P/train relay
• Pnk
• Supercharger boost control solenoid (vin 4) (top rear of engine)
• Tan
• To p/train fuses (diagram 2 of 5)
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 2, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GT 2004:

• (left side of engine compt) a/c refrigerant pressure sensor
• (right door sill, forward of right front seat) g302
• (right side
• (right side upper left footwell)
• 5 volt ref
• A/c clutch relay
• A/c press sig
• A/c system
• A12
• A7 c2
• Acc
• B12
• Battery
• C1 d8
• C12
• Class 2 data
• Cooling fans system
• Cruise control system
• Cruise sig
• D1 c1
• D11
• D12 c2
• Data link connector (under left side of dash, right of steering column)
• Displays fuse 10a
• E11
• Eng speed sig
• Evap vent sol
• F c405
• Fuel level sig
• Fuel pump & sender assembly
• Fuel pump relay
• Fuel tank
• Fuel tank press
• Fuel tank pressure sensor
• G202
• High fan
• Hot at all times
• Hot in run or start
• I/p fuse block (behind right side of dash)
• Ignition 1
• Ignition 3
• Ignition switch
• Instrument panel cluster
• Lock
• Low fan
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Pcm fuse 15 10a
• Pcm relay
• Pcm/etc fuse 16 15a
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Remote shift sig
• Run
• S201
• S211
• Splice pack sp205
• Start
• Starter enable
• Starting system
• Stop lamp sw
• Underhood fuse block (mounted to right strut tower)
• Upper left footwell)
• Vehicle speed sig

3.8L VIN 4

3.8L VIN 4, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 4, Engine Performance Wiring Diagram (1 of 5) for Pontiac Grand Prix GT 2004:

• (fuel injector harn, on top of engine)
• (in engine oil pan) engine oil level switch
• (on transaxle stud, near starter) g113
• (pins 62-72 not used)
• (right top
• (top right rear of engine, above
• (top right rear of engine, near throttle body) exhaust gas recirculation valve
• (top right side of
• (vin 2)
• (vin 4)
• 5 volt ref
• Baro sens sig
• Barometric pressure sensor
• Cmp sensor
• Ect sensor sig
• Egr pos sig
• Egr sol high
• Egr sol low
• Engine coolant temperature sensor (vin 2: top right of intake manifold) (vin 4: top left rear of engine)
• Engine oil pressure switch (below pwr steering pump)
• Evap canister purge solenoid (below throttle body)
• Evap purge sol
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel injectors
• G113 (on transaxle stud, near starter)
• Gen on sig
• Generator
• Ground
• Heated oxygen sensor (ho2s) 1 (in right bank exhaust manifold)
• Ho2s heater 1
• Ho2s sig high
• Ho2s sig low
• Ic timing ctrl
• Ic timing sig
• Intake manifold)
• Knock sensor bank 1 (right side of engine, above starter)
• Knock sensor bank 2 (right side of engine, below exhst manifold)
• Knock sensor 1
• Knock sensor 2
• Low eng speed
• Low ref
• Map sensor
• Map sensor sig
• Med eng speed
• Nca
• Of engine)
• Oil level sw
• Oil press sig
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Red
• S101
• S109
• Spark timing
• Tan
• Uart data
• Valve cover)

3.8L VIN 4, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 4, Engine Performance Wiring Diagram (2 of 5) for Pontiac Grand Prix GT 2004:

• (front of engine) camshaft position sensor
• (front of engine) crankshaft position sensor
• (icm harn, top of engine, near icm)
• (lower left side of engine block)
• (not used)
• 1.50
• 2ndary uart
• 4.42
• 5 volt ref
• 8.25
• A11
• Aap sensor 1
• Accelerator pedal position switch (under left side of dash)
• App sensor 2
• Body control module
• C11
• Cruise fuse 2a
• E12
• Elek ign fuse 24 15a
• Etc fuse 17 15a
• From p/train relay (diagram 4 of 5)
• Fuel inj fuse 20 15a
• G112
• G113 (on transaxle stud, near starter)
• Ground
• Hot in run or start
• I/p fuse block (behind right side of dash)
• Ign 1 volt
• Ignition control module (icm) (top left front of eng)
• Inflatable restraint steering wheel coil
• Left tap shift switch
• Low ref
• Pnk
• Primary uart
• Right tap shift switch
• S102
• S144
• S145
• Spark plugs
• Stop lamp
• Stop lamp switch signal
• Tan
• Tap dn
• Tap up
• Throttle actuator control module (on throttle body)
• Trans sol fuse 21 10a
• Underhood fuse block (mounted to right strut tower)
• Vehicle spd

3.8L VIN 4, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 4, Engine Performance Wiring Diagram (3 of 5) for Pontiac Grand Prix GT 2004:

• 1-2 shift solenoid
• 2-3 shift solenoid
• At iss sig
• Automatic transaxle
• Boost sol
• Deliver torque
• Fluid temp sensor
• G113 (on transaxle stud, near starter)
• Ho2s heater 2
• Ho2s sig high 2
• Ho2s sig low 2
• Iat sensor sig
• Input shaft speed sensor
• Low ref
• Maf sensor sig
• Oss sig
• Pc sol
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Pressure control solenoid
• Red
• Request torque
• S101
• Shift sol a
• Shift sol b
• Tan
• Tcc release switch
• Tcc sol
• Tcc sw sig
• Tft snesor sig
• Torque converter clutch solenoid
• Tr sw a
• Tr sw b
• Tr sw c
• Tr sw p
• Trans- mission internal mode switch
• Vehicle speed sensor (lower right side of engine compt, on transaxle)

3.8L VIN 4, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 4, Engine Performance Wiring Diagram (4 of 5) for Pontiac Grand Prix GT 2004:

• (in air cleaner duct)
• Canister fuse 10a
• D11
• Electronic brake control module (left side of engine compt)
• Emission fuse 12 10a
• Evap canister vent solenoid (behind left rear wheelwell)
• F12
• Fuel pp fuse 22 15a
• Fuel pp relay
• G113 (on transaxle stud, near starter)
• Heated oxygen sensor (ho2s) 2 (rear of catalytic converter)
• Hot at all times
• I/p fuse block (behind right side of dash)
• Iat
• Intake air temperature/ mass air flow sensor
• Maf
• Nca
• O2 ssr fuse 14 15a
• P/train relay
• Pnk
• Supercharger boost control solenoid (vin 4) (top rear of engine)
• Tan
• To p/train fuses (diagram 2 of 5)
• Underhood fuse block (mounted to right strut tower)

3.8L VIN 4, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GT 2004

List of elements for 3.8L VIN 4, Engine Performance Wiring Diagram (5 of 5) for Pontiac Grand Prix GT 2004:

• (left side of engine compt) a/c refrigerant pressure sensor
• (right door sill, forward of right front seat) g302
• (right side
• (right side upper left footwell)
• 5 volt ref
• A/c clutch relay
• A/c press sig
• A/c system
• A12
• A7 c2
• Acc
• B12
• Battery
• C1 d8
• C12
• Class 2 data
• Cooling fans system
• Cruise control system
• Cruise sig
• D1 c1
• D11
• D12 c2
• Data link connector (under left side of dash, right of steering column)
• Displays fuse 10a
• E11
• Eng speed sig
• Evap vent sol
• F c405
• Fuel level sig
• Fuel pump & sender assembly
• Fuel pump relay
• Fuel tank
• Fuel tank press
• Fuel tank pressure sensor
• G202
• High fan
• Hot at all times
• Hot in run or start
• I/p fuse block (behind right side of dash)
• Ignition 1
• Ignition 3
• Ignition switch
• Instrument panel cluster
• Lock
• Low fan
• Low ref
• Malfunction indicator lamp (mil)
• Mil control
• Pcm fuse 15 10a
• Pcm relay
• Pcm/etc fuse 16 15a
• Pnk
• Powertrain control module (left front side of engine compt, in air cleaner assembly)
• Remote shift sig
• Run
• S201
• S211
• Splice pack sp205
• Start
• Starter enable
• Starting system
• Stop lamp sw
• Underhood fuse block (mounted to right strut tower)
• Upper left footwell)
• Vehicle speed sig