ENGINE PERFORMANCE – Jeep Wrangler Sahara 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.5L

2.5L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sahara 1997

List of elements for 2.5L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sahara 1997:

• (right rear of engine block)
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• Automatic shutdown relay
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• C150
• C151
• Cam pos sns
• Coil driver
• Crnk pos sns
• Daytime running lamp module
• Dnstrm ho2s
• Ect sens sig
• F12
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse block (right side of i/p)
• Fused b(+)
• G117
• G117 (right rear of engine block)
• G60
• Gen field drv
• Generator
• Gov press
• Ground
• Hot at all times
• Hot in run or start
• Iat sens sig
• Idle air 1
• Idle air 2
• Idle air 3
• Idle air 4
• Ign power
• Inj 1 driver
• Inj 2 driver
• Inj 3 driver
• Inj 4 driver
• Injector
• K10
• K11
• K12
• K13
• K14
• K141
• K167
• K19
• K20
• K21
• K22
• K24
• K39
• K40
• K41
• K44
• K59
• K60
• Map sens sig
• Nca
• Oil press
• Oil pressure sensor (near distributor)
• P/s press sw
• Pnp
• Power distribution center (right side of engine compt)
• Power steering pressure switch (near power steering pump)
• Powertrain control module (right side safety wall)
• S100
• S101
• S102
• S126
• S128
• S130
• S131
• S132
• S135 (engine harness, near breakout for park/neutral position switch)
• Sensor grd
• Sensor ground
• Shaft speed
• Starting/charging system
• T23
• T41
• Tan
• Tcc
• Tps sens in
• Trans rly
• Upstrm ho2s
• Vehicle speed sensor (left rear of transfer case)
• Vss in
• Vss signal
• Z12

2.5L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sahara 1997

List of elements for 2.5L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sahara 1997:

• (engine harness, near breakout for injector 6) s129
• (right rear of engine block)
• Camshaft position sensor
• Crankshaft position sensor (left rear of engine)
• Distributor
• Downstream heated oxygen sensor (catalytic converter)
• Duty cycle evap/purge solenoid (left fender side shield)
• Engine coolant temperature sensor (thermostat housing)
• Fuel pump module (top of fuel tank)
• G117
• G117 (right rear of engine block)
• Idle air control motor (throttle body)
• Ignition coil (right front of engine)
• Intake air temperature sensor (on intake manifold)
• Manifold absolute pressure sensor (on throttle body)
• Nca
• S127 (engine harness, near breakout for iac motor)
• S132
• S133 (engine harness, right side of transmission)
• Sensor grd
• Sensor signal
• Torque converter clutch solenoid (left side of transmission)
• Upstream heated oxygen sensor (front exhaust pipe)

2.5L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sahara 1997

List of elements for 2.5L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sahara 1997:

• A/c comp rly
• A/c compressor clutch relay
• A/c cycling switch
• A/c high pressure switch
• A/c switch
• A142
• Asd relay sens
• Auto sht rly
• Batt temp sens
• Battery temperature sensor (below battery tray)
• Brake sw in
• C10
• C102
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C90
• Ccd bus (+)
• Ccd bus (-)
• Check engine lamp
• D20
• D21
• Data link connector (partial) (left side of i/p)
• Engine coolant temperature gauge
• Evap sol drvr
• Fuel pmp rly
• Fuse 10a
• Fuse block (right side of i/p)
• Fused b(+)
• Generator
• Hot in run or start
• Instrument cluster
• K118
• K226
• K29
• K31
• K51
• K52
• K72
• Low fuel sens
• Oil pressure gauge
• Pnk
• Powertrain control module (right side safety wall)
• S111 (engine harness, near breakout to g100)
• S200 (i/p harness, center rear of i/p)
• S201 (i/p harness, center rear of i/p)
• S302 (i/p harness, near breakout for wind- shield wiper motor)
• S303 (i/p harness, near breakout for wind- shield wiper motor)
• Sci receive
• Sci transmit
• Shift interlock
• Stop lamp switch
• Tachometer
• Throttle position sensor (on throttle body)
• Twisted pair
• Twisted pairs
• Volt reg

4.0L

4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sahara 1997

List of elements for 4.0L, Engine Performance Wiring Diagrams (1 of 3) for Jeep Wrangler Sahara 1997:

• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• A23
• A24
• A25
• A26
• A27
• A28
• A29
• A30
• A31
• A32
• Automatic shutdown relay
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• B17
• B18
• B19
• B20
• B21
• B22
• B23
• B24
• B25
• B26
• B27
• B28
• B29
• B30
• B31
• B32
• C150
• C151
• Cam pos sns
• Coil driver
• Crnk pos sns
• Daytime running lamp module
• Dnstrm ho2s
• Ect sens sig
• F12
• Fuel pump relay
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse block (right side of i/p)
• Fused b(+)
• G117 (right rear of engine block)
• G60
• Gen field drv
• Generator
• Gov press
• Ground
• Hot at all times
• Hot in run or start
• Iat sens sig
• Idle air 1
• Idle air 2
• Idle air 3
• Idle air 4
• Ign power
• Inj 1 driver
• Inj 2 driver
• Inj 3 driver
• Inj 4 driver
• Inj 5 driver
• Inj 6 driver
• Injector
• K11
• K12
• K13
• K14
• K141
• K15
• K16
• K167
• K19
• K20
• K21
• K22
• K24
• K39
• K40
• K41
• K44
• K59
• K60
• Map sens sig
• Nca
• Oil press
• Oil pressure sensor (near distributor)
• Pnp
• Power distribution center (right side of engine compt)
• Powertrain control module (right side safety wall)
• S100
• S101
• S102
• S126
• S128
• S130
• S131
• S135 (engine harness, near breakout for park/neutral position switch)
• Sensor grd
• Sensor ground
• Shaft speed
• Starting/charging system
• T23
• T41
• Tan
• Tcc
• Tps sens in
• Trans rly
• Upstrm ho2s
• Vehicle speed sensor (left rear of transfer case)
• Vss in
• Vss signal
• Z12

4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sahara 1997

List of elements for 4.0L, Engine Performance Wiring Diagrams (2 of 3) for Jeep Wrangler Sahara 1997:

• (engine harness, near breakout for injector 6) s129
• (right rear of engine block)
• Camshaft position sensor
• Crankshaft position sensor (left rear of engine)
• Distributor
• Downstream heated oxygen sensor (catalytic converter)
• Duty cycle evap/purge solenoid (left fender side shield)
• Engine coolant temperature sensor (thermostat housing)
• Fuel pump module (top of fuel tank)
• G117
• G117 (right rear of engine block)
• Idle air control motor (throttle body)
• Ignition coil (right front of engine)
• Intake air temperature sensor (on intake manifold)
• Manifold absolute pressure sensor (on throttle body)
• Nca
• S127 (engine harness, near breakout for iac motor)
• S132
• S133 (engine harness, right side of transmission)
• Sensor grd
• Sensor signal
• Torque converter clutch solenoid (left side of transmission)
• Upstream heated oxygen sensor (front exhaust pipe)

4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sahara 1997

List of elements for 4.0L, Engine Performance Wiring Diagrams (3 of 3) for Jeep Wrangler Sahara 1997:

• A/c comp rly
• A/c compressor clutch relay
• A/c cycling switch
• A/c high pressure switch
• A/c switch
• A142
• Asd relay sens
• Auto sht rly
• Batt temp sens
• Battery temperature sensor (below battery tray)
• Brake sw in
• C10
• C102
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• C18
• C19
• C20
• C21
• C22
• C23
• C24
• C25
• C26
• C27
• C28
• C29
• C30
• C31
• C32
• C90
• Ccd bus (+)
• Ccd bus (-)
• Check engine lamp
• D20
• D21
• Data link connector (partial) (left side of i/p)
• Engine coolant temperature gauge
• Evap sol drvr
• Fuel pmp rly
• Fuse 10a
• Fuse block (right side of i/p)
• Fused b(+)
• Generator
• Hot in run or start
• Instrument cluster
• K118
• K226
• K29
• K31
• K51
• K52
• K72
• Low fuel sens
• Oil pressure gauge
• Pnk
• Powertrain control module (right side safety wall)
• S111 (engine harness, near breakout to g100)
• S200 (i/p harness, center rear of i/p)
• S201 (i/p harness, center rear of i/p)
• S302 (i/p harness, near breakout for wind- shield wiper motor)
• S303 (i/p harness, near breakout for wind- shield wiper motor)
• Sci receive
• Sci transmit
• Shift interlock
• Stop lamp switch
• Tachometer
• Throttle position sensor (on throttle body)
• Twisted pair
• Twisted pairs
• Volt reg