ENGINE PERFORMANCE – Jeep Grand Cherokee Overland 2006 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.7L

3.7L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 3.7L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g102
• (rear of engine) s139
• (right rear of engine compt) s140
• A209
• Acc
• Cam pos sns
• Camshaft position sensor (right front of engine)
• Can c bus (+)
• Can c bus (-)
• Coil ctrl 1
• Coil ctrl 2
• Coil ctrl 3
• Coil ctrl 4
• Coil ctrl 5
• Coil ctrl 6
• Computer data lines system
• Crankshaft position sensor (lower right front of engine)
• Crnk pos sns
• D118
• D223
• D64
• D65
• Ect sig
• F26
• F855
• F856
• F942
• Fuse 10a
• Fuse 20a
• Fused b(+)
• Gen field
• Ground
• Ho2s 1/1 htr
• Ho2s 1/1 sig
• Ho2s 1/2 sig
• Ho2s 2/1 htr
• Ho2s 2/1 sig
• Ho2s 2/2 sig
• Ho2s return
• Ho2s rtn
• Hot at all times
• Hot in run or start
• Iac ctrl
• Iac motor (top of engine)
• Iac signal
• Iat sig
• Ign power
• Ignition switch
• Inj ctrl 1
• Inj ctrl 2
• Inj ctrl 3
• Inj ctrl 4
• Inj ctrl 5
• Inj ctrl 6
• Intake air temperature sensor (top front of engine)
• Junction block (left side of dash)
• K10
• K11
• K12
• K125
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K38
• K41
• K42
• K43
• K44
• K58
• K61
• K85
• K86
• K900
• K902
• K904
• K924
• K93
• K942
• K961
• K99
• Knock sensor (right side of engine)
• Ks 1 rtn
• Ks 1 sig
• Ks 2 rtn
• Ks 2 sig
• Lock
• Map sens in
• Off
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• Run
• S106
• S121
• S141 (right side of engine)
• Sci receive
• Sci transmit
• Sensor gnd
• Start
• Starting/ charging system
• Tps sens 1 sig
• Z130
• Z816

3.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 3.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Overland 2006:

• (lower left side of dash) data link connector
• (rear of engine)
• (right side of transmission)
• Engine coolant temperature sensor (top front of engine)
• G101 (left side of engine compt)
• Map sensor (top front of engine)
• Oil pressure switch (lower front of engine)
• Oxygen sensor (left front) (near left front of transmission)
• Oxygen sensor (left rear) (near rear of transmission)
• Oxygen sensor (right front) (near right front of transmission)
• Oxygen sensor (right rear) (near right rear of transmission)
• S142
• S143
• S146 (right side of transmission)

3.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 3.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Overland 2006:

• (right side of engine) s148
• Fuel injectors
• Fuse 20a
• Hot at all times
• Ignition coils
• Power distribution center (left side of engine compt)
• Red/tan
• S128
• S137 (top left of engine)
• S138 (right side of engine)
• S149 (left rear of engine)
• Throttle position sensor (top of engine)

3.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 3.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s116
• A109
• Anti-lock brakes module (left rear of engine compt)
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 25a
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot in run or start
• Instrument cluster system
• Junction block (left side of dash)
• Power distribution center (left side of engine compt)
• Red/ tan
• Red/tan
• S101 (in headlamp & dash harness)
• S106
• S129
• S130
• S307
• Sensor
• Shift lever assembly (base of shift lever)
• Speed control servo (right rear of engine compt)
• Stop lamp switch (lower left side of dash)
• Tan/red
• Z210
• Z912
• Zener diode 2

3.7L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 3.7L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Overland 2006:

• 87a
• A/c comp rly
• Air conditioning system
• Asd rly ctrl
• Automatic shut down relay
• B15
• Brake sw no. 1 sig
• C13
• Cruise control system
• Evap purge signal
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse 50a
• Fuse asd relay out
• G302 (below left rear seat)
• Ground
• Ho2s 1/2 htr ctrl
• Ho2s 2/2 htr ctrl
• Hot at all times
• K106
• K107
• K299
• K31
• K342
• K399
• K52
• K70
• Natural vacuum leak detection assembly (under left rear of vehicle)
• Nvld sol cntl
• Nvld sol ctrl
• Nvld switch
• Nvld switch signal
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• S/c sw rtn
• S/c switch sense 1
• S/c vac sol ctrl
• S/c vent sol ctrl
• S118
• S307
• Starter rly ctrl
• Starting/charging system
• T752
• V32
• V35
• V36
• V71
• V937

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g102
• (right rear of engine) s139
• A209
• Acc
• Camshaft position sensor (right front of engine)
• Can c bus (+)
• Can c bus (-)
• 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 front of engine)
• Crnk pos sns
• D118
• D15
• D16
• D223
• D64
• D65
• Ect sig
• Egr sig
• Egr sol ctrl
• F26
• F855
• F856
• F942
• Fuse 10a
• Fuse 20a
• Fused b(+)
• Gen field
• Ground
• Ho2s 1/1 htr
• Ho2s 1/1 sig
• Ho2s 1/2 sig
• Ho2s 2/1 htr
• Ho2s 2/1 sig
• Ho2s 2/2 sig
• Ho2s return
• Ho2s rtn
• Hot at all times
• Hot in run or start
• Iac ctrl
• Iac motor (top of engine)
• Iac signal
• Iat sig
• Ign power
• Ignition switch
• 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)
• Junction block (left side of dash)
• K10
• K11
• K12
• K125
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K28
• K34
• K35
• K38
• K41
• K42
• K43
• K44
• K58
• K61
• K85
• K86
• K900
• K902
• K904
• K924
• K93
• K942
• K961
• K97
• K98
• K99
• Knock sensor (right side of engine)
• Ks 1 rtn
• Ks 1 sig
• Ks 2 rtn
• Ks 2 sig
• Lock
• Map sig
• Off
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• Run
• S106
• S121
• S140 (rear of engine)
• S141 (right rear of engine)
• Sci receive
• Sci transmit
• Sensor gnd
• Start
• Starting/ charging system
• Tps sens 1 sig
• Z130
• Z816

4.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g101
• (lower left side of dash) data link connector
• (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
• Map sensor (top front of engine)
• Oil pressure switch (lower front of engine)
• Oxygen sensor (left front) (near left front of transmission)
• Oxygen sensor (left rear) (near right side of transmission)
• Oxygen sensor (right front) (near right front of transmission)
• Oxygen sensor (right rear) (near right rear of transmission)
• S142
• S143
• S146
• S146 (right front of transmission)
• Sens gnd
• Sol ctrl

4.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s132
• (right side of engine) s138
• (right side of engine) s148
• (top left of engine) s137
• Front control module
• Fuel injectors
• Fuse 20a
• Fuse ignition switch output (run/start)
• Hot at all times
• Ignition coils
• Integrated power module (left side of engine compt)
• Ipm
• Power distribution center (left side of engine compt)
• Red/tan
• Throttle position sensor (top of engine)

4.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s116
• (left rear of engine compt)
• 87a
• A109
• Anti-lock brakes module (left rear of engine compt)
• Fuel pump module (on top of fuel tank)
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 25a
• G100
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot at all times
• Hot in run or start
• Instrument cluster system
• Integrated power module (left side of engine compartment)
• Junction block (left side of dash)
• Power distribution center (left side of engine compt)
• Red/ tan
• Red/tan
• S101 (in headlamp & dash harn)
• S106
• S127
• S129
• S130
• S136
• S307
• Sensor
• Shift lever assembly (base of shift lever)
• Speed control servo (right rear of engine compt)
• Stop lamp switch (lower left side of dash)
• Tan/red
• Transmission control relay
• Z912
• Zener diode

4.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Overland 2006:

• 2-4 press
• 2c sol ctrl
• 4c prs sw sens
• 4c sol ctrl
• 87a
• Automatic 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)
• S118
• S145 (right rear of engine compt)
• Temp sens
• Tran ctrl rly out
• Transmission solenoid/trs assembly (left side of transmission)
• Trs t1 sens
• Trs t2 sens
• Trs t3 sens
• Trs t41 sens
• Trs t42 sens
• Ud press
• Ud sol ctrl

4.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Overland 2006:

• (base of shift lever) shift lever assembly
• 2c pres sw sns
• 2c sol ctrl
• 4c pres sw sens
• 4c sol ctrl
• A/c clutch rly
• Air conditioning system
• Asd rly ctrl
• Autostick up/down
• B15
• Brake sw no. 1 sig
• C13
• Cruise control system
• Evap purge signal
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse asd relay out
• G101 (left side of engine compt)
• Gnd
• Ground
• Ho2s 1/2 htr ctrl
• Ho2s 2/2 htr ctrl
• Input speed sens
• Input speed sensor (left side of trans- mission)
• K106
• K107
• K299
• K31
• K342
• K399
• K52
• K70
• Line pres sns sig
• Low/rev press sw
• Lower bank switch
• Lr sol ctrl
• Ms sol ctrl
• Natural vacuum leak detection assembly (under left rear of vehicle)
• Nvld sol ctrl
• Nvld sw sig
• Od off sw sens
• Od pres sw sens
• Output speed sens
• Output speed sensor (left side of trans- mission)
• Overdrive sol ctrl
• Powertrain control module (right rear of engine compt)
• Pressure ctrl sol
• S/c sw rtn
• S/c sw sns 1
• S/c vac sol ctrl
• S/c vent sol ctrl
• S144 (front of transmission)
• S147
• S307
• Speed sens gnd
• Starter rly ctrl
• Starting/charging system
• T118
• T120
• T13
• T14
• T140
• T147
• T15
• T16
• T219
• T259
• T29
• T38
• T41
• T42
• T48
• T50
• T52
• T54
• T59
• T60
• T752
• Trans ctrl relay
• Trans ctrl rly out
• Trans temp sens
• Trs t1 sns
• Trs t2 sns
• Trs t3 sens
• Trs t41 sns (p/n)
• Trs t42 sns
• Ud pres sw sens
• Undrdrive sol ctrl
• V32
• V35
• V36
• V71
• V937
• Z903

5.7L

5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (1 of 6) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g102
• (right rear of engine compt)
• A209
• Acc
• Camshaft position sensor (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 7
• Coil ctrl 8
• Coil driver 6
• Computer data lines system
• Crankshaft position sensor (front of engine)
• D118
• D15
• D16
• D223
• D64
• D65
• Ect sig
• Egr sens sig
• Egr sol ctrl
• Etc motor (+)
• Etc motor (-)
• F26
• F855
• F856
• F942
• Fuse 10a
• Fuse 20a
• Fused b(+)
• Gen field
• Ground
• Ho2s 1/1 htr
• Ho2s 1/1 sig
• Ho2s 1/2 sig
• Ho2s 2/1 htr
• Ho2s 2/1 sig
• Ho2s 2/2 sig
• Ho2s return
• Hot at all times
• Hot in run or start
• Iat sig
• Ign power
• Ignition switch
• Inj 1 ctrl
• Inj 3 ctrl
• Inj 5 ctrl
• Inj 7 ctrl
• Inj ctrl 2
• Inj ctrl 4
• Inj ctrl 6
• Inj ctrl 8
• Intake air temperature sensor (top front of engine)
• Junction block (left side of dash)
• 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 (front of engine)
• Ks 1 rtn
• Ks 1 sig
• Ks 2 ret
• Ks 2 sig
• Lock
• Map sig
• Mds sol ctrl 4
• Mds sol ctrl 6
• Off
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module (right rear of engine compt)
• Red
• Run
• S106
• S121
• S139
• S140 (rear of engine)
• S141 (right rear of engine)
• Sci receive
• Sci transmit
• Sensor gnd
• Start
• Starting/ charging system
• Tp 2 sig
• Tp sens rtn
• Tps sens 1 sig
• Z130
• Z816

5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 6) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g101
• (lower left side of dash) data link connector
• (right front of transmission)
• (right rear of engine compt)
• 5v sply
• Egr sig
• Engine coolant temperature sensor (w/ hec: left front of engine) (w/o hec: top front of engine)
• Exhaust gas recirculation valve assembly (right front of engine)
• G101 (left side of engine)
• Gnd
• Map sensor (top rear of engine)
• Oil pressure sensor (lower right front of engine)
• Oxygen sensor (left front) (left rear of engine)
• Oxygen sensor (left rear) (near right front of transmission)
• Oxygen sensor (right front) (near right front of transmission)
• Oxygen sensor (right rear) (near right rear of transmission)
• S142
• S143
• S146
• S146 (front of transmission)
• S150 (right rear of engine)
• Sens gnd
• Sol ctrl

5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 6) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s132
• (left rear of engine)
• (right side of engine)
• (right side of engine) s148
• (top left of engine) s137
• 5v sply
• Etc motor (+)
• Etc motor (-)
• Front control module
• Fuel injectors
• Fuse 20a
• Fuse ignition switch output (run/start)
• G100 (left rear of engine compt)
• Gnd
• Hot at all times
• Hydraulic cooling fan module (front of engine) b(+)
• Hydraulic radiator fan solenoid control
• Ignition coils
• Integrated power module (left side of engine compt)
• Ipm
• Power distribution center (left side of eng compt)
• Rad fan sol ctrl
• Red/tan
• S128
• S138
• S149
• Throttle body (top front of engine)
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn

5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 6) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s116
• 5v sply
• 87a
• A109
• Accelerator pedal position sensor (base of accelerator pedal)
• Anti-lock brakes module (left rear of engine compt)
• Apps 1 sens
• Apps 1 sig
• Apps 2 sig
• Aps 2 sens
• Brake sw 1 sig
• 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 run or start
• Instrument cluster system
• Integrated power module (left side of engine compt)
• Oil temperature sensor (lower right front of engine)
• Power distribution center (left side of engine compt)
• Red/ tan
• Red/tan
• S101 (in headlamp & dash harness)
• S106
• S127
• S129
• S130
• S136
• S307
• Sensor
• Shift lever assembly (base of shift lever)
• Stop lamp switch (lower left side of dash)
• Tan/red
• Transmission control relay
• Z210
• Z912
• Zener diode

5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (5 of 6) for Jeep Grand Cherokee Overland 2006:

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

5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Overland 2006

List of elements for 5.7L, Engine Performance Wiring Diagram (6 of 6) for Jeep Grand Cherokee Overland 2006:

• 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
• Autostick up/dn
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Eng oil temp sig
• Evap purge signal
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse asd relay out
• G101 (left side of engine compt)
• G224
• Ground
• Ho2s 1/2 htr ctrl
• Ho2s 2/2 htr ctrl
• Input speed sens
• Input speed sensor (left side of trans- mission)
• K106
• K107
• K167
• K23
• K29
• K31
• K342
• K399
• K400
• K451
• K454
• K52
• K70
• Line pres sens sig
• Low/rev press sw
• Lower bank switch
• Lr sol ctrl
• Mds sol ctrl 1
• Mds sol ctrl 7
• Ms sol ctrl
• Natural vacuum leak detection assembly (under left rear of vehicle)
• Nvld sol cntl
• Nvld sol ctrl
• Nvld sw sig
• Nvld switch signal
• Od off sw sens
• Od pres sw sens
• Output speed sens
• Output speed sensor (left side of trans- mission)
• Overdrive sol ctrl
• 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
• T120
• T13
• T14
• T140
• T147
• T15
• T16
• T219
• T259
• T29
• T38
• T41
• T42
• T48
• T50
• T52
• T54
• T59
• T60
• T752
• Trans ctrl relay
• Trans ctrl rly out
• Trans temp sens
• Trs t1 sens
• Trs t2 sens
• Trs t3 sens
• Trs t41 sense (p/n)
• Trs t42 sens
• Ud pres sw sens
• Undrdrive sol ctrl
• V71
• V72
• V937
• Z903

6.1L

6.1L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 6.1L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Overland 2006:

• (left side of engine compt) g102
• A209
• Acc
• Camshaft position sensor
• 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 7
• Coil ctrl 8
• Coil driver 6
• Computer data lines system
• Crankshaft position sensor
• D118
• D15
• D16
• D223
• D64
• D65
• Ect sig
• Etc motor (+)
• Etc motor (-)
• F26
• F855
• F856
• F942
• Fuse 10a
• Fuse 20a
• Fused b(+)
• Gen field
• Ground
• Ho2s 1/1 htr
• Ho2s 1/1 sig
• Ho2s 1/2 sig
• Ho2s 2/1 htr
• Ho2s 2/1 sig
• Ho2s 2/2 sig
• Ho2s return
• Hot at all times
• Hot in run or start
• Iat sig
• Ign power
• Ignition switch
• 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
• Junction block (left side of dash)
• K10
• K11
• K12
• K122
• K124
• K125
• K126
• K13
• K14
• K141
• K15
• K16
• K199
• K21
• K22
• K24
• K242
• K243
• K26
• K28
• K38
• K41
• K42
• K43
• K44
• K58
• K85
• K86
• K900
• K902
• K904
• K922
• K924
• K93
• K942
• K97
• K98
• K99
• Knock sensor 1
• Knock sensor 2
• Ks 1 rtn
• Ks 1 sig
• Ks 2 ret
• Ks 2 sig
• Lock
• Map sig
• Off
• Oil pres sig
• Power distribution center (left side of engine compt)
• Powertrain control module
• Red
• Run
• S106
• S121
• S139
• S140
• S141
• S166
• Sci receive
• Sci transmit
• Sensor gnd
• Start
• Starting/ charging system
• Tp 2 sig
• Tp sens rtn
• Tps sens 1 sig
• Z130
• Z816

6.1L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 6.1L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Overland 2006:

• (lower left side of dash) data link connector
• Engine coolant temperature sensor
• G101 (left side of engine compartment)
• Map sensor
• Oil pressure sensor (lower right front of engine)
• Oxygen sensor (left front)
• Oxygen sensor (left rear)
• Oxygen sensor (right front)
• Oxygen sensor (right rear)
• S142
• S143
• S146
• S167
• S169
• Shift lever assembly (base of shift lever)

6.1L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 6.1L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Overland 2006:

• 5v sply
• 87a
• Etc motor (+)
• Etc motor (-)
• Fuel injectors
• Fuel pump relay
• Fuse 20a
• Hot at all times
• Ignition capacitor
• Ignition coils
• Power distribution center (left side of engine compt)
• Red/tan
• S137
• S138
• S148
• S149
• S157
• Throttle body
• Tp 1 sig
• Tp 2 sig
• Tp sens rtn

6.1L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 6.1L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Overland 2006:

• (in headlamp & dash harness) s116
• 5v sply
• 87a
• A109
• Accelerator pedal position sensor
• Anti-lock brakes module (left rear of engine compt)
• Apps 1 sens
• Apps 1 sig
• Apps 2 sig
• Aps 2 sens
• Brake sw 1 sig
• Fuel pump module (on top of fuel tank)
• Fuse 10a
• Fuse 20a
• Fuse 25a
• G100 (left rear of engine compt)
• G302 (below left rear seat)
• Hot at all times
• Hot in run or start
• Instrument cluster system
• Integrated power module (left side of engine compt)
• Power distribution center (left side of engine compt)
• Red
• Red/ tan
• Red/tan
• S101 (in headlamp & dash harness)
• S106
• S127
• S129
• S130
• S136
• S307
• Sensor
• Shift lever assembly (base of shift lever)
• Stop lamp switch
• Tan/red
• Transmission control relay
• Z210
• Z912
• Zener diode 2

6.1L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Overland 2006

List of elements for 6.1L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Overland 2006:

• 87a
• A/c clutch rly
• Air conditioning system
• Apps 1 sens gnd
• Apps 1 sig
• Apps 2 sens gnd
• Apps 2 sig
• Asd rly ctrl
• Automatic shut down relay
• Autostick up/dn
• B15
• B16
• Brake sw 1 sig
• Brake sw 2 sig
• C13
• Cruise control system
• Eng oil temp sig
• Evap purge signal
• Evap/purge sol sig
• Evap/purge solenoid (left side of engine compt)
• F42
• Fuel pump rly ctrl
• Fuse 50a
• Fuse asd relay out
• G224
• Ground
• Ho2s 1/2 htr ctrl
• Ho2s 2/2 htr ctrl
• Hot at all times
• K106
• K107
• K167
• K23
• K29
• K31
• K342
• K399
• K400
• K52
• K70
• Natural vacuum leak detection assembly (under left rear of vehicle)
• Nvld sol cntl
• Nvld sol ctrl
• Nvld sw sig
• Nvld switch signal
• Oil temperature sensor (lower right front of engine)
• Power distribution center (left side of engine compt)
• Powertrain control module
• Red
• S/c sw rtn
• S/c sw sns 1
• S/c sw sns 2
• S118
• S145
• S307
• Shift lever assembly (base of shift lever)
• Starter rly ctrl
• Starting/charging system
• T15
• T16
• T752
• Trans ctrl relay
• Trans ctrl rly out
• V71
• V72
• V937