TRANSMISSION – Jeep Grand Cherokee Laredo 1999 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.0L

4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 1999

List of elements for 4.0L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo 1999:

• (engine harn, front of trans)
• 3-4 shift ctrl
• 3-4 shift sol
• C1 (black)
• C2 (white)
• C3 (gray0
• Engine controls system
• Engine starter motor relay
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G117 (right rear of engine)
• G302 (below center console)
• Gen source
• Generator
• Gov pres ctrl
• Gov pres sol
• Gov press sens
• Gov press sol
• Hot at all times
• Hot in run or start
• Instrument cluster
• Junction block (behind left side of dash)
• K30
• K88
• Od off sw
• Output shaft speed sensor (left rear of transmission)
• Overdrive switch (center console)
• P/n sens
• Park/neutral position switch (lower left side of transmission)
• Part time 4wd indicator
• Pnk
• Power distribution center (right front corner of engine compt)
• Powertrain control module (right side of firewall)
• S102
• S103
• S112
• S122 (rear of engine, top of transmission)
• S126 (right rear fender area)
• S203
• Sens gnd
• Sensor gnd
• Speed sens gnd
• Speed sens sig
• T121
• T13
• T14
• T22
• T24
• T25
• T54
• T60
• T99
• Temp sens
• Torq conv ctrl
• Torque conv sol
• Trans relay out
• Trans rly ctrl
• Trans temp sens
• Transfer case switch
• Transmission control relay
• Transmission solenoid assembly (on transmission)

4.7L

4.7L, A/T Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo 1999

List of elements for 4.7L, A/T Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo 1999:

• (in pdc) engine starter motor relay
• (right side of engine)
• 2c press sw
• 2c sol
• 2c sol ctrl
• 2l press
• 4c press
• 4c press sw
• 4c sol
• 4c sol ctrl
• A30
• Backup lamp feed
• Backup lamps
• Backup lmp rly
• Bu rly
• Ckp sens signal
• D20
• D21
• D25
• F45
• F991
• Fuse 10a
• Fuse 30a
• Fused (b+)
• Fused ign (run)
• Fused ign (st)
• Fused ign sw
• G117 (right rear of engine)
• G120
• Gnd
• Hot at all times
• Hot in run
• Hot in start
• Input spd sns
• Junction block (behind left side of dash)
• K22
• K24
• K30
• Line press sig
• Ll/rr sol
• Lr press
• Lr press sw
• Lr/cc sol ctrl
• Ms sol
• Ms sol ctrl
• Od off sw
• Od press
• Od press sw
• Od sol
• Od solenoid
• Out shaft spd
• Pci bus
• Pnk
• Power distribution center (right front corner of engine compt)
• Pres ctrl
• Press ctrl sol
• Red
• S103
• S115 (near tcm)
• S122 (rear of engine, top of trans)
• Sci receive
• Sci transmit
• Sensor gnd
• Spd sensor gnd
• T10
• T118
• T119
• T120
• T13
• T130
• T138
• T14
• T140
• T141
• T150
• T159
• T16
• T29
• T41
• T42
• T47
• T52
• T54
• T59
• T60
• Temp sens
• Torq mgmt req
• Tps signal
• Trans ctrl rly
• Trans rly ctrl
• Trans rly out
• Trans temp sens
• Transmission control module (right inner fender panel)
• Transmission control relay
• Transmission solenoid/ trs assembly (transmission)
• Trs t1
• Trs t1 sense
• Trs t3
• Trs t3 sense
• Trs t41 sense
• Trs t42
• Trs t42 sense
• Ud ctrl
• Ud press
• Ud press sw
• Ud sol ctrl
• Vss sig
• Z13
• Z14

4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 1999

List of elements for 4.7L, A/T Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo 1999:

• (at breakout to pcm)
• (in breakout to ckp sensor)
• (in breakout to ckp sensor) s119
• (in breakout to controller anti-lock brake) s325
• (left side of engine compt) controller anti-lock brake
• (near tcm)
• (on throttle body) throttle position sensor
• (rear of engine)
• (right side of engine block) crankshaft position sensor
• Automatic shut down relay (in pdc)
• Ckp signal
• D21
• D25
• Data link connector (below left side of dash)
• Diagnostic junction port (base of steering column)
• F991
• Fuel pump relay (in pdc)
• Fuse 10a
• Fused ign
• G120 (right side of engine)
• G302 (below center console)
• Gnd
• Hot in run or start
• Input speed sensor (left front of transmission)
• Instrument cluster
• Junction block (behind left side of dash)
• K22
• K24
• Output shaft speed sensor (left rear of transmission)
• Overdrive switch (center console)
• Passenger door module
• Pci bus
• Pnk
• Powertrain control module (right side of firewall)
• Press sig
• Pressure transducer (right rear side of transmission)
• S105
• S112
• S113 (near tcm)
• S114
• S116
• S117 (near tcm)
• S120
• S125
• S130 (right rear of engine compt)
• S203
• S324 (right kick panel)
• Sci transmit
• Sensor gnd
• Strt rly ctrl
• T24
• T99
• Torq sense
• Tps signal
• Vss out
• Vss sig