ENGINE PERFORMANCE – Jeep Grand Cherokee SRT-8 2008 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L DIESEL

3.0L Diesel, Engine Performance Wiring Diagram (1 of 4) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (1 of 4) for Jeep Grand Cherokee SRT-8 2008:

• 5v sply
• 87a
• A/c clutch relay ctrl
• A108
• A15
• Air conditioning system
• Anti-lock brakes system
• App 1 sens gnd
• App 1 sig
• App 2 sens gnd
• Apps sig 2
• Asd rly ctrl
• Asd rly out
• Auto shut down relay (in power distribution center)
• B(+)
• B15
• B16
• Br sw sig 1
• Br sw sig 2
• C13
• Can c bus (+)
• Can c bus (-)
• Computer data lines system
• D64
• D65
• Engine control module
• F26
• F42
• F855
• F856
• F942
• Front control module
• Fuel pump module (on top of fuel tank)
• Fuel pump rly ctrl
• Fuse 10a
• Fuse 15a
• Fuse 25a
• Fuse 50a
• Fused ignition sw out
• G102 (left side of engine compt)
• G200 (near breakout to data link connector)
• G302 (below left rear seat)
• Gnd
• Ground
• Hot at all times
• Hot in on or start
• Ign sw (run-start)
• Ign sw out (start)
• Instrument cluster system
• Integrated power module (left side of engine compt)
• Junction block (left side of dash)
• K167
• K23
• K29
• K31
• K342
• K354
• K355
• K363
• K400
• K542
• K951
• Pnk/tan
• Power distribution center (left side of engine compt)
• Ptc 2 relay ctrl
• Red/tan
• Rly ctrl
• S/c sw rtn
• S/c sw sns 1
• S/c sw sns 2
• S106
• S116
• S121
• S151 (in headlamp & dash harness)
• S152
• S153
• S212
• S228
• S307
• Sens 1
• Sens 2
• Sens gnd
• Sens sig
• Starting/charging system
• Steering control module (at steering wheel)
• Stop lamp switch
• Sw rtn
• T752
• Tan/red
• V71
• V72
• V937
• Z130
• Z816
• Z907

3.0L Diesel, Engine Performance Wiring Diagram (2 of 4) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (2 of 4) for Jeep Grand Cherokee SRT-8 2008:

• 5v sply
• A15
• A202
• A203
• A204
• A208
• A211
• A216
• A904
• Accelerator pedal position sensor
• Airflow control egr valve
• App 1 sig
• App 2 sig
• Asd rly out
• Boost pressure sensor
• Boost pressure servo motor
• Catalyst exhaust gas temperature post sensor
• Catalyst exhaust gas temperature pre sensor
• Computer data lines system
• Crankcase vent heater
• D509
• Egr valve
• Exhaust differential pressure sensor
• Exhaust gas pressure sensor
• Fuel pressure sensor
• G106 (on engine)
• G107 (on engine)
• Glow plug 1
• Glow plug 1 ctrl
• Glow plug 2
• Glow plug 2 ctrl
• Glow plug 3
• Glow plug 3 ctrl
• Glow plug 4
• Glow plug 4 ctrl
• Glow plug 5
• Glow plug 5 ctrl
• Glow plug 6
• Glow plug 6 ctrl
• Glow plug module
• Ground
• Intake swirl servo motor
• Lin bus
• Pnk/red
• Pnk/tan
• Power distribution system
• Red
• Red/tan
• S162 (in headlamp & dash harness)
• Sens gnd
• Water in fuel sensor
• Z921

3.0L Diesel, Engine Performance Wiring Diagram (3 of 4) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (3 of 4) for Jeep Grand Cherokee SRT-8 2008:

• 02 1/1 pos ctrl
• 87a
• Computer data lines system
• D509
• Engine control module
• Fuel inj 2 lo ctrl
• Fuel inj 3 lo ctrl
• Fuel inj 4 lo ctrl
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Fuel pressure solenoid
• Fuel pump relay
• Fuel quantity solenoid
• Fuel temperature sensor
• Fuse 20a
• Hot at all times
• K156
• K157
• K181
• K21
• K24
• K314
• K34
• K35
• K352
• K353
• K359
• K362
• K365
• K37
• K370
• K390
• K43
• K612
• K613
• K614
• K656
• K915
• K916
• K936
• Lin bus
• Pnk/red
• Pnk/tan
• Power distribution center (left side of engine compt)
• Red/tan
• S128
• Sens gnd
• Sens sig
• Sens sig 1
• Sol ctrl
• Temp gnd
• Temp sig
• Valve motor (+)
• Valve rtn
• Z36

3.0L Diesel, Engine Performance Wiring Diagram (4 of 4) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.0L Diesel, Engine Performance Wiring Diagram (4 of 4) for Jeep Grand Cherokee SRT-8 2008:

• 12v sply
• 5v sply
• Camshaft position sensor
• Control
• Crankshaft position sensor
• Current
• Engine control module
• Engine coolant temperature sensor
• F851
• F858
• Fuel inj 1 hi ctrl
• Fuel inj 1 lo ctrl
• Fuel inj 2 hi ctrl
• Fuel inj 3 hi ctrl
• Fuel inj 4 hi ctrl
• Fuel inj 5 hi ctrl
• Fuel inj 5 lo ctrl
• Fuel inj 6 hi ctrl
• Fuel inj 6 lo ctrl
• G123
• G224
• Htr ctrl
• Ign sw
• Intake air temperature sensor
• K11
• K12
• K13
• K14
• K222
• K312
• K313
• K315
• K350
• K356
• K366
• K369
• K38
• K41
• K44
• K58
• K611
• K638
• K658
• K844
• K853
• K902
• K914
• K923
• K934
• K944
• K957
• K960
• K99
• Mass air flow sensor
• Motor ctrl
• N116
• N117
• O2 1/1 heater ctrl
• O2 1/1 ref sig
• O2 1/2 pmp cell trim
• Oil pressure sensor (lower right front of engine)
• Oil temperature sensor (lower right front of engine)
• Oxygen sensor
• Pnk/red
• Pnk/tan
• Pump
• Ref sig
• Relay out
• Sens gnd
• Sens sig
• Sens sig 2
• Sig
• Valve motor (-)
• Valve sply
• X635
• Z43
• Z753

3.7L

3.7L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.7L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g102
• (right rear of engine compt) s140
• 5 vol
• A209
• A803
• Camshaft position sensor (right front of engine)
• Can c bus (+)
• Can c bus (-)
• Ckp signal
• Cmp signal
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Computer data lines system
• Crankshaft position sensor (lower right side of engine)
• D64
• D65
• Ect sig
• Egr sig
• Egr sol
• Egr sol control
• Etc motor (+)
• Etc motor (-)
• Exhaust gas recirculation assembly (top left rear of engine)
• F26
• F42
• F855
• F856
• F942
• Front control module (left side of engine compt)
• Fuse 20a
• Fused asd rly
• Fused b (+)
• Fused ign sw
• G101 (left side of engine compt)
• Gen field ctrl
• Gen sense
• Ground
• Hot at all times
• Iat sig
• Ign switch output (start)
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Intake air temperature sensor (top front of engine)
• K10
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K58
• K85
• K86
• K900
• K902
• K904
• K922
• K924
• K93
• K942
• K97
• K98
• K99
• Knock sensor 1 (left rear of engine)
• Knock sensor 2 (right side of engine)
• Map signal
• O2 1/1 htr ctrl
• O2 1/1 signal
• O2 1/2 sig
• O2 2/1 htr ctrl
• O2 2/1 sig
• O2 2/2 sig
• O2 return (dn)
• O2 return (up)
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• S121
• S139 (rear of engine)
• S141
• S146
• S167
• Sens 1 return
• Sens 1 rtn
• Sens 1 sig
• Sens 1 signal
• Sens 2 return
• Sens 2 rtn
• Sens 2 sig
• Sens 2 signal
• Sens gnd
• Sensor gnd
• Shift lever assembly (base of shift lever)
• Starting/ charging system
• Tp 1 signal
• Tp 2 signal
• Tp sens return
• Z130
• Z816

3.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee SRT-8 2008:

• (rear of engine)
• (right side of transmission)
• Engine coolant temperature sensor (top front of engine)
• G101 (left side of engine compt)
• Left front oxygen sensor (near left front of transmission)
• Left rear oxygen sensor (near rear of transmission)
• Map sensor (top front of engine)
• Oil pressure switch (lower left front of engine)
• Right front oxygen sensor (near right front of transmission)
• Right rear oxygen sensor (near right rear of transmission)
• S142
• S143
• S146

3.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee SRT-8 2008:

• (left rear of engine)
• 5v sply
• Etc motor (+)
• Etc motor (-)
• Fuel injector 7
• Fuel injectors (1: top left front of engine) (2, 4 & 6: top right of engine) (3 & 5: top left of engine)
• Fuse 20a
• Hot at all times
• Power distribution center (left side of engine compt)
• S138 (right side of engine)
• S149
• S158
• Throttle body (top of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn

3.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee SRT-8 2008:

• (below left rear seat) g302
• 87a
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Hot in on or start
• Ignition capacitor
• Ignition coils (1, 3, 5 & 7: top left of engine) (2, 4, 6 & 8: top right of engine)
• Instrument cluster system
• Junction block (left side of dash)
• Power distribution center (left side of engine compt)
• Red/tan
• S106
• S137
• S148 (right side of engine)
• S307
• Tan/red

3.7L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee SRT-8 2008

List of elements for 3.7L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee SRT-8 2008:

• (in headlamp & dash harness) s130
• (in power distribution center) s116
• 87a
• A/c clutch rly
• A15
• Accelerator pedal position sensor
• Air conditioning system
• Apps 1 sens
• Apps 1 sens gnd
• Apps 1 sig
• Apps 1 signal
• Apps 2 sens gnd
• Apps 2 sig
• Apps 2 signal
• Aps 2 sens
• Asd rly ctrl
• Auto shut down relay
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Esm signal
• Evap purge sol
• Evap system monitor switch
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Front control module
• Fuel pump rly ctrl
• Fuse 25a
• Fuse 50a
• Fuse asd relay out
• Fused asd relay output
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot at all times
• Integrated power module (left side of engine compt)
• Ipm
• K107
• K167
• K23
• K29
• K299
• K31
• K342
• K399
• K400
• K52
• K70
• O2 1/2 htr ctrl
• O2 2/2 htr ctrl
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red/tan
• S/c sw rtn
• S/c sw sns 2
• S/c switch sense 1
• S118
• S134
• S307
• Starter rly ctrl
• Starting/charging system
• Stop lamp switch (lower left side of dash)
• T752
• V71
• V72
• V937

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g102
• (right rear of engine)
• (right rear of engine) s139
• (right side of engine) s141
• A209
• A803
• Camshaft position sensor (right front of engine)
• Can c bus (+)
• Can c bus (-)
• Ckp signal
• Cmp sig
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Computer data lines system
• Crankshaft position sensor (lower right side of engine)
• D64
• D65
• Ect sig
• Egr sig
• Egr sol ctrl
• Etc motor (-)
• Etc mtr (+)
• F26
• F42
• F855
• F856
• F942
• Front control module (left side of engine comt)
• Fuse 20a
• Fuse asd rly
• Fused b (+)
• Fused ign sw
• Gen field ctrl
• Gen sns
• Gnd
• Ground
• Hot at all times
• Iat sig
• Ign switch output (start)
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Inj ctrl 8
• Intake air temperature sensor (top front of engine)
• K10
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K28
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K58
• K85
• K86
• K900
• K902
• K904
• K922
• K924
• K93
• K942
• K97
• K98
• K99
• Knock sensor 1 (right rear of engine)
• Knock sensor 2
• Map sig
• O2 1/1 htr
• O2 1/1 sig
• O2 1/2 sig
• O2 2/1 htr
• O2 2/1 sig
• O2 2/2 sig
• O2 return (dn)
• O2 return (up)
• Oil press sig
• Oil pressure sensor (lower right front of engine)
• Pnk/red
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• S121
• S140 (rear of engine)
• S150
• S167
• Sens 1 rtn
• Sens 1 sig
• Sens 1 signal
• Sens 2 return
• Sens 2 rtn
• Sens 2 sig
• Sens 2 signal
• Sensor
• Sensor gnd
• Shift lever assembly (base of shift lever)
• Starting/ charging system
• Tp 2 sig
• Tp sens ret
• Tps 1 sig
• Z130
• Z816

4.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g101
• (right front of transmission)
• (right rear of engine compt)
• 5v sply
• Egr sig
• Engine coolant temperature sensor (top front of engine)
• Exhaust gas recirculation valve assembly (top left rear of engine)
• G101 (left side of engine compt)
• Gnd
• Left front oxygen sensor (near left front of transmission)
• Left rear oxygen sensor (near right side of transmission)
• Map sensor (top front of engine)
• Oil temperature sensor (lower right front of engine)
• Right front oxygen sensor (near right front of transmission)
• Right rear oxygen sensor (near right rear of transmission)
• S142
• S143
• S146
• Sens gnd
• Sol ctrl

4.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left rear of engine) s149
• 5v sply
• Etc motor (-)
• Etc mtr (+)
• Front control module
• Fuel injectors (1: top left front of engine) (2, 4, 6 & 8: top right of engine) (3, 5 & 7: top left of engine)
• Fuse 20a
• Fuse ignition switch output (run/start)
• Hot at all times
• Integrated power module (left side of engine compt)
• Ipm
• Power distribution center (left side of engine compt)
• S132
• S138 (right side of engine)
• S158
• Throttle body (top of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn

4.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (1, 3, 5 & 7 : top left of engine) (2, 4, 6 & 8 : top right of engine)
• (below left rear seat) g302
• (in power distribution center) s116
• (right side of engine)
• (top left of engine)
• 87a
• A15
• Front control module
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• Fused asd relay output
• G100 (left rear of engine compt)
• Hot at all times
• Hot in on or start
• Ignition capacitor
• Ignition coils
• Instrument cluster system
• Integrated power module (left side of engine compt)
• Ipm
• Junction block (left side of dash)
• Power distribution center (left side of engine compt)
• Red/tan
• S106
• S125
• S130 (in headlamp & dash harness)
• S136
• S137
• S148
• S307
• Stop lamp switch (lower left side of dash)
• Tan/red
• Transmission control relay

4.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008:

• 2c press
• 2c sol ctrl
• 4c prs sw sns
• 4c sol ctrl
• 87a
• Auto shut down relay
• Fuse 50a
• Hot at all times
• L/r press
• L/r sol ctrl
• Line pressure sensor (right rear of transmission)
• Ms sol ctrl
• Od press
• Od sol ctrl
• Power distribution center (left side of engine compt)
• Pre- ss sol ctrl
• S118
• S145 (right rear of engine compt)
• Tran ctrl rly out
• Transmission solenoid/trs assembly (left side of transmission)
• Transmission temperature sensor
• Trs t1 sns
• Trs t2 sns
• Trs t3 sns
• Trs t41 sns
• Trs t42 sns
• Ud press
• Ud sol ctrl

4.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (base of shift lever) shift lever assembly
• (below left rear seat) g302
• 2c pres sw sns
• 2c sol ctrl
• 4c pres sw sns
• 4c sol ctrl
• A/c clutch rly
• Air conditioning system
• Asd rly ctrl
• Autostick up/down
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Eng oil temp sig
• Esm signal
• Evap purge ctrl
• Evap system monitor switch
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse relay output
• G102 (left side of engine compt)
• G224
• Ground
• Input speed sens
• Input speed sensor (left side of trans- mission)
• K107
• K299
• K31
• K342
• K399
• K52
• K70
• L/r press sw sens
• L/r sol ctrl
• Line pres sens sig
• Ms sol ctrl
• O2 1/2 htr ctrl
• O2 2/2 htr ctrl
• Od pres sw sns
• Od sol ctrl
• Output speed sens
• Output speed sensor (left side of trans- mission)
• Powertrain control module (right rear of engine compt)
• Pressure ctrl sol
• S/c sw rtn
• S/c sw sns 1
• S/c sw sns 2
• S144 (left side of transmission)
• S147
• S307
• Spd sensor gnd
• Starter rly ctrl
• Starting/charging system
• T118
• T13
• T14
• T140
• T147
• T15
• T16
• T20
• T219
• T259
• T29
• T38
• T41
• T42
• T48
• T50
• T52
• T54
• T59
• T60
• T752
• Trans ctrl output
• Trans ctrl relay
• Trans temp sens
• Trs t1 sns
• Trs t2 sns
• Trs t3 sns
• Trs t41 sns (p/n)
• Trs t42 sns
• Ud pres sw sns
• Ud sol ctrl
• V71
• V72
• V937
• Z903

5.7L

5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g102
• (or pnk/red)
• (right rear of engine compt)
• 5.7l
• 6.1l
• A209
• A803
• Camshaft position sensor (5.7l: right front of engine)
• Can c bus (+)
• Can c bus (-)
• Ckp sig
• Cmp sig
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Computer data lines system
• Crankshaft position sensor (5.7l: right side of engine)
• D64
• D65
• Ect sig
• Egr signal
• Egr sol ctrl
• Engine coolant temperature sensor (left front of engine)
• Etc motor (+)
• Etc motor (-)
• F26
• F42
• F855
• F856
• F942
• Front control module (left side of engine compt)
• Fuse 20a
• Fused asd rly output
• Fused b (+)
• Gen field ctrl
• Gen sns
• Ground
• Hot at all times
• Iat sig
• Ign sw output
• Ign switch output (start)
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Inj ctrl 8
• Inlet air temperature sensor (6.1l)
• Intake air temperature sensor (5.7l) (right front of engine)
• K10
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K28
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K452
• K453
• K58
• K85
• K86
• K900
• K902
• K904
• K922
• K924
• K93
• K942
• K97
• K98
• K99
• Knock sensor 1 (left side of engine)
• Knock sensor 2 (5.7l: right side of engine)
• Map sig
• Mds sol ctrl 4
• Mds sol ctrl 6
• O2 1/1 htr ctrl
• O2 1/1 signal
• O2 1/2 sig
• O2 2/1 htr ctrl
• O2 2/1 signal
• O2 2/2 sig
• O2 return
• O2 return (dn)
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• S121
• S139
• S140 (rear of engine)
• S141 (5.7l: right rear of engine)
• S167
• Sens 1 return
• Sens 1 rtn
• Sens 1 sig
• Sens 1 signal
• Sens 2 return
• Sens 2 rtn
• Sens 2 sig
• Sens 2 signal
• Sensor gnd
• Shift lever assembly (base of shift lever)
• Starting/ charging system
• Tp 1 signal
• Tp 2 sig
• Tp sens rtn
• Z130
• Z816

5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (5.7l: right front of transmission)
• (left side of engine compt) g101
• (right rear of engine compt)
• (right rear of engine)
• 5.7l
• 5v sply
• 6.1l
• Egr sig
• Exhaust gas recirculation valve assembly (5.7l) (right front of engine)
• G101 (left side of engine compt)
• Gnd
• Left front oxygen sensor (left rear of engine)
• Left rear oxygen sensor (near right front of transmission)
• Map sensor (top rear of engine)
• Oil pressure sensor (lower right front of engine)
• Oil pressure switch (lower left front of engine)
• Right front oxygen sensor (near right front of transmission)
• Right rear oxygen sensor (near right rear of transmission)
• S142
• S143
• S146
• S150 (5.7l)
• Sens gnd
• Sol ctrl

5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (5.7l: right side of engine)
• (left rear of engine)
• 5.7l
• 5v sply
• 6.1l
• A15
• A916
• Engine compt)
• Etc motor (+)
• Etc motor (-)
• Front control module
• Fuel injector 1 (top left side of engine)
• Fuel injector 2 (top right of engine)
• Fuel injector 3 (top left side of engine)
• Fuel injector 4 (top right of engine)
• Fuel injector 5 (top left side of engine)
• Fuel injector 6 (top right of engine)
• Fuel injector 7 (top left side of engine)
• Fuel injector 8 (top right of engine)
• Fuse 20a
• Fuse ignition switch output (run/start)
• Fused asd relay output
• G100 (left rear of engine compt)
• Gnd
• Hot at all times
• Hydraulic cooling fan module (5.7l) (left side of b(+)
• Hydraulic radiator fan solenoid control
• Integrated power module (left side of engine compt)
• Ipm
• K173
• Power distribution center (left side of eng compt)
• Rad fan sol ctrl
• Red/tan
• S128 (5.7l)
• S132
• S138
• S149
• S158
• Throttle body (top left front of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn
• Z823

5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (1, 3, 5 & 7 : top left of engine) (2, 4, 6 & 8 : top right of engine)
• (5.7l: right side of engine) red/tan s148
• (in headlamp & dash harness) s101
• (in power distribution center) s116
• (top left of engine)
• 5.7l
• 5v sply
• 6.1l
• 87a
• Accelerator pedal position sensor (5.7l) (base of accelerator pedal)
• Apps 1 sens
• Apps 1 sig
• Apps 2 sig
• Aps 2 sens
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot at all times
• Hot in on or start
• Ignition capacitor
• Ignition coils
• Instrument cluster system
• Junction block (left side of dash)
• Oil temperature sensor (lower right front of engine)
• Power distribution center (left side of engine compt)
• Red/ tan
• Red/ tan (in headlamp & dash harness) s130
• Red/tan
• S106
• S125
• S136
• S137
• S307
• Stop lamp switch (5.7l: lower left side of dash)
• Tan/red
• Transmission control relay

5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g101
• (right rear of transmission) line pressure sensor
• 2c press
• 2c sol ctrl
• 4c prs sw sns
• 4c sol ctrl
• 5.7l
• 87a
• Auto shut down relay
• Fuse 50a
• Hot at all times
• L/r press
• L/r sol ctrl
• Lr sol ctrl
• Ms sol ctrl
• Multi displacement system solenoid cylinder 1
• Multi displacement system solenoid cylinder 4
• Multi displacement system solenoid cylinder 6
• Multi displacement system solenoid cylinder 7
• Od press
• Od sol ctrl
• Power distribution center (left side of engine compt)
• S118
• S145 (right rear of engine compt)
• S154
• Tran ctrl rly out
• Transmission solenoid/trs assembly (left side of transmission)
• Transmission temperature sensor
• Trs t1 sns
• Trs t2 sns
• Trs t3 sns
• Trs t41 sense
• Trs t42 sense
• Ud press
• Ud sol ctrl

5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (below left rear seat) g302
• 2c pres sw sens
• 2c sol ctrl
• 4c pres sw sens
• 4c sol ctrl
• A/c clutch rly
• Air conditioning system
• Apps 1 sens gnd
• Apps 1 sig
• Apps 2 sens gnd
• Apps 2 sig
• Asd rly ctrl
• Auto up/dn
• Autostick up/dn
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Eng oil temp sig
• Esm signal
• Evap purge signal
• Evap system monitor switch
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse asd relay out
• G102 (left side of engine compt)
• G224
• Ground
• Input speed sens
• Input speed sensor (left side of trans- mission)
• K107
• K167
• K23
• K29
• K299
• K31
• K342
• K399
• K400
• K451
• K454
• K52
• K70
• L/r press sw sense
• L/r sol ctrl
• Line pres sens sig
• Mds sol ctrl 1
• Mds sol ctrl 7
• Ms sol ctrl
• O2 1/2 htr ctrl
• O2 2/2 htr ctrl
• Od pres sw sens
• Od sol ctrl
• Output speed sens
• Output speed sensor (left side of trans- mission)
• Powertrain control module (right rear of engine compt)
• Pressure ctrl sol
• S/c sw rtn
• S/c sw sns 1
• S/c sw sns 2
• S144 (front of transmission)
• S147
• S307
• Shift lever assembly (base of shift lever)
• Speed sens gnd
• Starter rly ctrl
• Starting/charging system
• T118
• T13
• T14
• T140
• T147
• T15
• T16
• T20
• T219
• T259
• T29
• T38
• T41
• T42
• T48
• T50
• T52
• T54
• T59
• T60
• T752
• Trans ctrl output
• Trans ctrl relay
• Trans temp sens
• Trs t1 sense
• Trs t2 sense
• Trs t3 sense
• Trs t41 sense (p/n)
• Trs t42 sense
• Ud pres sw sens
• Ud sol ctrl
• V71
• V72
• V937
• Z903

6.1L

6.1L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g102
• (or pnk/red)
• (right rear of engine compt)
• 5.7l
• 6.1l
• A209
• A803
• Camshaft position sensor (5.7l: right front of engine)
• Can c bus (+)
• Can c bus (-)
• Ckp sig
• Cmp sig
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Coil ctrl 7
• Coil ctrl 8
• Computer data lines system
• Crankshaft position sensor (5.7l: right side of engine)
• D64
• D65
• Ect sig
• Egr signal
• Egr sol ctrl
• Engine coolant temperature sensor (left front of engine)
• Etc motor (+)
• Etc motor (-)
• F26
• F42
• F855
• F856
• F942
• Front control module (left side of engine compt)
• Fuse 20a
• Fused asd rly output
• Fused b (+)
• Gen field ctrl
• Gen sns
• Ground
• Hot at all times
• Iat sig
• Ign sw output
• Ign switch output (start)
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• Inj ctrl 5
• Inj ctrl 6
• Inj ctrl 7
• Inj ctrl 8
• Inlet air temperature sensor (6.1l)
• Intake air temperature sensor (5.7l) (right front of engine)
• K10
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K28
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K452
• K453
• K58
• K85
• K86
• K900
• K902
• K904
• K922
• K924
• K93
• K942
• K97
• K98
• K99
• Knock sensor 1 (left side of engine)
• Knock sensor 2 (5.7l: right side of engine)
• Map sig
• Mds sol ctrl 4
• Mds sol ctrl 6
• O2 1/1 htr ctrl
• O2 1/1 signal
• O2 1/2 sig
• O2 2/1 htr ctrl
• O2 2/1 signal
• O2 2/2 sig
• O2 return
• O2 return (dn)
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• S121
• S139
• S140 (rear of engine)
• S141 (5.7l: right rear of engine)
• S167
• Sens 1 return
• Sens 1 rtn
• Sens 1 sig
• Sens 1 signal
• Sens 2 return
• Sens 2 rtn
• Sens 2 sig
• Sens 2 signal
• Sensor gnd
• Shift lever assembly (base of shift lever)
• Starting/ charging system
• Tp 1 signal
• Tp 2 sig
• Tp sens rtn
• Z130
• Z816

6.1L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (5.7l: right front of transmission)
• (left side of engine compt) g101
• (right rear of engine compt)
• (right rear of engine)
• 5.7l
• 5v sply
• 6.1l
• Egr sig
• Exhaust gas recirculation valve assembly (5.7l) (right front of engine)
• G101 (left side of engine compt)
• Gnd
• Left front oxygen sensor (left rear of engine)
• Left rear oxygen sensor (near right front of transmission)
• Map sensor (top rear of engine)
• Oil pressure sensor (lower right front of engine)
• Oil pressure switch (lower left front of engine)
• Right front oxygen sensor (near right front of transmission)
• Right rear oxygen sensor (near right rear of transmission)
• S142
• S143
• S146
• S150 (5.7l)
• Sens gnd
• Sol ctrl

6.1L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (5.7l: right side of engine)
• (left rear of engine)
• 5.7l
• 5v sply
• 6.1l
• A15
• A916
• Engine compt)
• Etc motor (+)
• Etc motor (-)
• Front control module
• Fuel injector 1 (top left side of engine)
• Fuel injector 2 (top right of engine)
• Fuel injector 3 (top left side of engine)
• Fuel injector 4 (top right of engine)
• Fuel injector 5 (top left side of engine)
• Fuel injector 6 (top right of engine)
• Fuel injector 7 (top left side of engine)
• Fuel injector 8 (top right of engine)
• Fuse 20a
• Fuse ignition switch output (run/start)
• Fused asd relay output
• G100 (left rear of engine compt)
• Gnd
• Hot at all times
• Hydraulic cooling fan module (5.7l) (left side of b(+)
• Hydraulic radiator fan solenoid control
• Integrated power module (left side of engine compt)
• Ipm
• K173
• Power distribution center (left side of eng compt)
• Rad fan sol ctrl
• Red/tan
• S128 (5.7l)
• S132
• S138
• S149
• S158
• Throttle body (top left front of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn
• Z823

6.1L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (1, 3, 5 & 7 : top left of engine) (2, 4, 6 & 8 : top right of engine)
• (5.7l: right side of engine) red/tan s148
• (in headlamp & dash harness) s101
• (in power distribution center) s116
• (top left of engine)
• 5.7l
• 5v sply
• 6.1l
• 87a
• Accelerator pedal position sensor (5.7l) (base of accelerator pedal)
• Apps 1 sens
• Apps 1 sig
• Apps 2 sig
• Aps 2 sens
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot at all times
• Hot in on or start
• Ignition capacitor
• Ignition coils
• Instrument cluster system
• Junction block (left side of dash)
• Oil temperature sensor (lower right front of engine)
• Power distribution center (left side of engine compt)
• Red/ tan
• Red/ tan (in headlamp & dash harness) s130
• Red/tan
• S106
• S125
• S136
• S137
• S307
• Stop lamp switch (5.7l: lower left side of dash)
• Tan/red
• Transmission control relay

6.1L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (left side of engine compt) g101
• (right rear of transmission) line pressure sensor
• 2c press
• 2c sol ctrl
• 4c prs sw sns
• 4c sol ctrl
• 5.7l
• 87a
• Auto shut down relay
• Fuse 50a
• Hot at all times
• L/r press
• L/r sol ctrl
• Lr sol ctrl
• Ms sol ctrl
• Multi displacement system solenoid cylinder 1
• Multi displacement system solenoid cylinder 4
• Multi displacement system solenoid cylinder 6
• Multi displacement system solenoid cylinder 7
• Od press
• Od sol ctrl
• Power distribution center (left side of engine compt)
• S118
• S145 (right rear of engine compt)
• S154
• Tran ctrl rly out
• Transmission solenoid/trs assembly (left side of transmission)
• Transmission temperature sensor
• Trs t1 sns
• Trs t2 sns
• Trs t3 sns
• Trs t41 sense
• Trs t42 sense
• Ud press
• Ud sol ctrl

6.1L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008

List of elements for 6.1L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee SRT-8 2008:

• (below left rear seat) g302
• 2c pres sw sens
• 2c sol ctrl
• 4c pres sw sens
• 4c sol ctrl
• A/c clutch rly
• Air conditioning system
• Apps 1 sens gnd
• Apps 1 sig
• Apps 2 sens gnd
• Apps 2 sig
• Asd rly ctrl
• Auto up/dn
• Autostick up/dn
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Eng oil temp sig
• Esm signal
• Evap purge signal
• Evap system monitor switch
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse asd relay out
• G102 (left side of engine compt)
• G224
• Ground
• Input speed sens
• Input speed sensor (left side of trans- mission)
• K107
• K167
• K23
• K29
• K299
• K31
• K342
• K399
• K400
• K451
• K454
• K52
• K70
• L/r press sw sense
• L/r sol ctrl
• Line pres sens sig
• Mds sol ctrl 1
• Mds sol ctrl 7
• Ms sol ctrl
• O2 1/2 htr ctrl
• O2 2/2 htr ctrl
• Od pres sw sens
• Od sol ctrl
• Output speed sens
• Output speed sensor (left side of trans- mission)
• Powertrain control module (right rear of engine compt)
• Pressure ctrl sol
• S/c sw rtn
• S/c sw sns 1
• S/c sw sns 2
• S144 (front of transmission)
• S147
• S307
• Shift lever assembly (base of shift lever)
• Speed sens gnd
• Starter rly ctrl
• Starting/charging system
• T118
• T13
• T14
• T140
• T147
• T15
• T16
• T20
• T219
• T259
• T29
• T38
• T41
• T42
• T48
• T50
• T52
• T54
• T59
• T60
• T752
• Trans ctrl output
• Trans ctrl relay
• Trans temp sens
• Trs t1 sense
• Trs t2 sense
• Trs t3 sense
• Trs t41 sense (p/n)
• Trs t42 sense
• Ud pres sw sens
• Ud sol ctrl
• V71
• V72
• V937
• Z903