Diagram sections — 33 (100 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ELECTRONIC POWER STEERING ELECTRONIC SUSPENSION ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS MEMORY SYSTEMS NAVIGATION POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER TOP/SUNROOF POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION TRUNK, TAILGATE, FUEL DOOR WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Automatic A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Automatic A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 89 (leftt side of engine compt) totally integrated power module (not used) 2wd 4wd A/c clutch coil A/c clutch fd A/c heater control A417 A924 Abmt temp/ fcm ssr rtn 1 Ac press sens fd Ac press sens rtn Ac press sig Act com Act com 2 Act temp (driv) Auto hdlp sig Batt feed Battery remote post pos gas Blower motor relay C121 C13 C139 C18 C21 C278 C280 C32 C33 C34 C35 C56 C61 C807 C818 C918 Can bus (+) Can bus (-) Circuit board Coil sig Computer data lines system D264 D265 D64 D65 Evap sig Evap snse rtn F921 Ft blw pwm ctrl Ft mode act drv Fuse 4 100a Fuse block Fuse j15 40a Fuse j19 60a Fuse m11 10a Fuse m15 20a Fuse m34 10a G139 G31 G39 G906 (right front of engine compt) G912 (left side of dash) G931 G939 Gnd Hot at all times Hot in run Hot in run or start Ign r Iod fd K175 L24 Nca Pass temp dr act Rad fan low spd sig Rad fan rly Rad fan rly col sig Radiator cooling fan module (4wd) (behind radiator) Radiator fan low relay Rcrc act dr Red Rr ctrl blw sw fd S3035 Snsr abmt temp sig Snsr sunld rtn Ssr sunld sig Ssr sunld sig 2 Z906 Z912 Automatic A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Automatic A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 67 (5.7l & 3.6l: right rear of engine, in engine harness) (5.7l: top front of engine) (3.6l: rear of left cylinder bank) engine coolant temperature sensor (behind radiator) (2wd) radiator cooling fan module (center front engine compt) hood ajar switch (left front of engine compt) a/c pressure transducer (left front of engine compt) front washer fluid level sensor (left side of front grille) ambient air temperature sensor (right front of engine compt) (2wd) radiator fan high relay (right front of engine compt) powertrain control module (right front of engine compt, in front end module harness) 6.4l A/c clutch coil A/c compressor clutch A/c press sig A/c press snse rtn A/c press snsr fd Abmt/ temp fcm ssr rtn 1 Ac clutch fd Act com Act com 2 Act temp (drn) Auto hdlp sig Blower motor (right side of hvac unit) C13 C130 C139 C56 C805 C806 Can bus (+) Can bus (-) Computer data lines system Cool temp sens sig D64 D65 Eng ctrl com snsr rtn Evaporator temperature sensor (left side of hvac unit) Except 6.4l Front blower motor power module Front mode door actuator (left side of hvac unit) Ft blw fd Ft blw pwm ctrl Ft mode drv act G906 (right front of engine compt) G909a (right rear of engine compt) G911 (left end of dash) Gnd K900 (or k915) Left blend door actuator (left side of hvac unit) N23 N24 Pass temp dr act Pwn blw fd Pwn blw rtn Rad fan mtr fd Rad fan mtr fd 2 Rcrc act dr Recirculation door actuator (right side of hvac unit) Right blend door actuator (center of hvac unit) S4504 (6.4l) s4513 (5.7l) s4011 (3.6l) Sg931 Snsr sunld rtn Ssr sunld sig Ssr sunld sig 2 Sun sensor Z906 Z911 Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Manual A/C Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 88 (left side of engine compt) integrated power module (not used) 3.6l A/c clutch coil A/c clutch fd A/c heater control A417 A924 Aat sig Ac press sens fd Ac press sens rtn Ac press sig Act com Act com 2 Act temp (driv) Auto hdlp sig Batt feed Blower motor relay Bus bar C121 C13 C139 C18 C200 C202 C21 C32 C33 C34 C35 C56 C61 C807 C818 C918 Can c (+) Can c (-) Can ihs (+) Can ihs (-) Circuit board Coil sig Computer data lines system D264 D265 D64 D65 Evap sig Evap snse rtn Except 3.6l F921 Ft blw pwm ctrl Ft mode act drv Fuse 100a Fuse block Fuse j15 40a Fuse j19 60a Fuse m11 10a Fuse m15 20a Fuse m34 10a G31 G906a (right front of engine compt) G912a (under front of center console) G931 G939 Gnd Hot at all times Hot w/ run relay energized Hot w/ run/ start relay energized Ign r Iod fd K175 L24 Nca Pass temp dr act Power distribution system Rad fan low spd sig Rad fan rly Rad fan rly col sig Radiator cooling fan module (behind radiator) Radiator fan low relay Rcrc act dr Red Rr ctrl blw sw fd S258 Snsr sunld rtn Ssr gnd Z906 Z912 Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Manual A/C Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 66 (5.7l: top front of engine) (3.6l: rear of left cylinder bank) engine coolant temperature sensor (above center of radiator grille) hood ajar switch (behind radiator) (3.6l) radiator cooling fan module (left front of engine compt) a/c pressure transducer (left front of engine compt, in fluid reservoir) washer fluid level sensor (left side of front grille) ambient air temperature sensor (right front of engine compt) (3.6l) radiator fan high relay (right front of engine compt) powertrain control module 6.4l A/c clutch coil A/c compressor clutch A/c press sig A/c press snse rtn A/c press snsr fd Abmt/ temp fcm ssr rtn 1 Ac clutch fd Act com Act com 2 Act temp (drn) Auto hdlp sig Blower motor (right side of hvac unit) C13 C139 C161 C56 C805 C806 Can c (+) Can c (-) Computer data lines system Cool temp sens sig D64 D65 Eng ctrl com snsr rtn Engine controls system Evaporator temperature sensor (left side of hvac unit) Except 6.4l Front blower motor power module Front mode door actuator (left side of hvac unit) Ft blw fd Ft blw pwm ctrl Ft mode drv act G906a (right front of engine compt) G909a (right rear of engine compt) G911a (left side of dash) Gnd K900 (or k915) Left blend door actuator (left side of hvac unit) N23 N24 Pass temp dr act Pwn blw fd Pwn blw rtn Rad fan mtr fd Rad fan mtr fd 2 Rcrc act dr Recirculation door actuator (right side of hvac unit) Right blend door actuator (center of hvac unit) S134 S162 (6.4l) s113 (5.7l) s101 (3.6l) S232 S233 Snsr sunld rtn Sun sensor (center of top of dash) Z906 Z911
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Anti-lock Brakes Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 93 (center of dash, in instrument panel harness) s3008 (left rear of engine compt) brake fluid level sensor (left rear of engine compt) g901 (left side of dash) (left side of dash) g912 6.4l A107 A111 Anti-lock brakes module (left front of engine compt) B15 B16 B20 B31 B32 B33 Batt fd Brk actv Brk actv sns sig Brk actv sns sig c3 Brk actv sns sig2 Brk lvl sw sig Bstr vac prss sig Bstr vac sens rtn C172 C173 C192 C260 C279 Can bus (+) Can bus (-) Can bus + Can bus - Can bus(+) Can bus(-) Can ihs bus (+) Can ihs bus (-) Circuit board Cluster Compass module Computer data lines system D264 D265 D464 D465 D506 D64 D65 Dynamics sensor (left side of dash) Except 6.4l F941 Fd abs mod batt Fd abs pmp Fd abs/esp clstr snsr Fd vac boost snsr Fuse j06 40a Fuse j07 30a Fuse m20 15a Fuse m37 10a G901 (left rear of engine compt) G912 (left side of dash) Gnd Hot at all times Hot w/ run/ start relay energized Ign rs Left front abs wheel speed sensor (left front wheel hub assembly) Left rear abs wheel speed sensor Lf wheel spd sensor (+) Lf wheel spd sensor (-) Lin ccn Lr wheel spd sensor (+) Lr wheel spd sensor (-) Nca Parking brake switch (top of parking brake assembly) Powertrain control module (right front of engine compt) Prk brk sw sig Red Rf wheel spd sensor (+) Rf wheel spd sensor (-) Right front abs wheel speed sensor (right front wheel hub assembly) Right rear abs wheel speed sensor Rr wheel spd sensor (+) Rr wheel spd sensor (-) S3002 Sf941 Sns sig2 Stop lamp switch Tan/ red Tan/red Totally integrated power module (left side of engine compt) Upper bank switch Vacuum pressure sensor (left rear of engine compt) Z907 Z908
ANTI-THEFT Forced Entry Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Forced Entry Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 79 (not used) 87a Abmt temp/fcm ssr rtn 1 Abmt/ fcm ssr rtn 1 Ambient air temperature sensor (left side of front grille) C1110 C1111 C1120 C1121 C383 C384 C392 Circuit board Door lock relay Dr ajar lt rr sig Dr ajar rt rr sig Dr lk lt ft Dr lk rt ft Dr lk sec pos all Dr lock rly ctrl Dr ulk rt ft Driver door latch Driver door unlock relay Drv dr ajar sw in Drv ft dr ajar sw in Flip-up glass latch Flpr mtr rel Front washer fluid level sensor (left front of engine compt) Ft drv dr lk Ft drv dr ulk Ft pass dr lk Ft pass dr ulk Fuse m38 25a G306 G70 G74 G75 G76 G77 G78 G80 G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left "d" pillar) G924 (right "d" pillar) G931 Gnd Hood sw sig Hot at all times Left rear door latch Lgate ajar sig Lt rr dr ajar sig Lt rr lk Lt rr ulk Nca P32 P34 P920 P930 P940 Pass dr ajar sw in Pass ft dr ajar sw in Pass ft lr & rr unlk ctrl Passenger door latch Passenger door unlock relay Q81 Right rear door latch Rr glass ajar sig Rr glss ajar sig Rt rr dr ajar sig Rt rr lk Rt rr ulk S501 S600 S601 S6500 S6752 Sg931 (right front of engine compt in front end module harness) Totally integrated power module (left side of engine compt) Forced Entry Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Forced Entry Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 68 (not used) c173 (right quarterpanel, A214 A215 Abmt temp/ fcm ssr rtn 1 Assy pdc Batt fd C1110 C1111 C1121 C383 C384 C392 Can bus (+) Can bus (-) Computer data lines system D264 D265 D501 D903 Driver door module Driver window/ door lock switch E34 Eatx batt fd Ft pass dr lk sw sig Ft pass sw illm/sns rtn Ft pass up sw snse Fuse j4 25a Fuse j5 25a Fuse m26 10a Fuse m3 30a G160 G78 G909a G916 (base of left "c" pillar) G924 (right "d" pillar) Gnd Hood ajar switch Hot at all times In body harness) L177 Left rear power window switch Lgate ajar sig Liftgate door latch Liftgate unlock relay Lin dcm dr Lin slve rtn Nca Park lamp relay Passenger door module Passenger window/ door lock switch Power distribution center (left side of engine compt) Power liftgate module (left "d" pillar) Prk lmp rly ctrl Q336 Q936 Right rear power window switch Rr dr ulk rly ctrl S1008 S501 S601 Sg78 Sw illm ft pass Sw pwr lk out fd rr lt Sw pwr lk out fd rr tt Totally integrated power module (left side of engine compt) U hood W/ power liftgate Passive Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Passive Anti-theft Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 66 A106 Ant pem1 rtn Ant pem1 sig Ant pem2 rtn Ant pem2 sig Ant pem3 rtn Ant pem3 sig Ant pem4 rtn Ant pem4 sig Bus (+) can ihs Bus (-) can ihs C1110 C1116 C1120 C1126 C279 C280 C383 C384 C390 C392 Can bus2 (+) Can bus2 (-) Computer data lines system D264 D265 D51 D52 D920 D921 D922 D923 D924 D925 D926 D927 Ext dr hndl sw rtn drv Ext dr hndl sw rtn pass Ext dr hndl sw sig drv Ext dr hndl sw sig pass Ext lgate hndl sw rtn Ext lgate hndl sw sig Fuse m27 10a G912 (left side of dash) Gnd Hot at all times Ign sw fd Integrated power module (left side of engine compt) Left front exterior door handle switch License plate lamp/ rear camera assembly Nca P124 P125 P30 P39 P400 P401 Passive entry 1 antenna (left rear door) Passive entry 2 antenna (right rear door) Passive entry 3 antenna (center of dash) Passive entry 4 antenna (center of rear fascia) Passive entry module (right side of dash) Red Right front exterior door handle switch S3000 Z912
BODY CONTROL MODULES
COMPUTER DATA LINES Computer Data Lines Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Computer Data Lines Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 113 (+) can bus ihs (-) can bus ihs (3.6l) s1006 (5.7l & 3.6l) (center front of engine compartment, in headlamp & dash harness) (center of dash, in instrument panel harness) s3005 (center of dash, in instrument panel harness) s3008 (left "c" pillar, in body harness) s2010 (left end of dash, in instrument panel harness) (left kick panel, in body harness) s2007 d265 (left quarterpanel, in body harness) (left rear of engine compt, in headlamp & dash harness) (left side of dash, in instrument panel harness) (right kick panel, in instrument panel harness) (right quarterpanel, in body harness) (under left front door sill, in body harness) (under right front door sill, in body c665 harness) A/c-heater control module A408 Adaptive cruise control module (center of front fascia) Blind spot module (under driver's seat) Bus (+) can c Bus (+) can ihs Bus (-) can ihs C1 (6.4l) C1110 C1121 C130 C139 C2010 C2020 C260 C261 C267 C279 C280 C663 Can bus (+) Can bus (-) Can bus 2 (+) Can bus 2 (-) Can bus c (+) Can bus c (-) Can bus ihs (+) Can bus ihs (-) Can bus2 (+) Can bus2 (-) Can c bus (-) Circuit board Compass module D diag (+) can bus D diag (-) can bus D264 D265 D506 D51 D52 D64 D65 D71 D72 Data link connector Door sill, in body harness) Driver door module Drivertrain control module (under driver's seat) Fuse m30 15a G912 (left side of dash) Hands free module (left end of dash) Heated seats module Hot at all times Lin ccn Lin tire pres Memory seat module Nca Park assist module (right "d" pillar) Passenger door module Power liftgate module (left "d" pillar) Power steering pump motor (3.6l) (lower right front of engine) Powertrain control module (right front of engine compt) Radio Radio amplifier (left rear cargo compartment floor) Rain sensor (front of headliner) Right front lamp assembly S1001 S1002 S1004 S1005 S2006 d264 S2011 S2052 S2054 S2057 S2058 S2060 S2062 (4wd) S2063 (4wd) S2065 (5.7l 4wd & 6.4l) S3006 S3007 S3011 S3013 S3014 S3015 S3032 (right side of dash, in instrument panel harness) Sd264 Sd265 Sd64 Sd65 (right front of engine compt, in front end module harness) Totally integrated power module (left side of engine compt) Transfer case selector switch Upper bank switch Video screen module Z912 Computer Data Lines Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Computer Data Lines Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 38 (left "c " pillar) tire pressure module (right side of dash, in instrument panel harness) Active damping control module (6.4l) Air suspension control module (except 6.4l) Anti-lock brakes module (left front of engine compt) C261 C267 Can bus 2 (+) Can bus 2 (-) Can bus c (+) Can bus c (-) Can bus ihs (+) Can bus ihs (-) Can bus2 (+) Can bus2 (-) Cluster D507 D51 D52 D64 D65 Electronic limited slip differential module Inside rearview Lin ccn Lin sccm Lin tire pres Mirror Occupant restraint controller module (under center console) Passive entry module (right side of dash) S2064 (5.7l 4wd & 6.4l) S3036 S3037 Shift lever assembly Speed control switch Steering control module (steering column) Transmission control module (3.6l) (left side of dash) Transmission control module (6.4l) (left side of dash) Wireless ignition node (steering column)
COOLING FAN Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Cooling Fan Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 52 (except 6.4l: right rear of engine, in engine harness) (not used) 2wd 4wd 6.4l A924 Batt fd Battery remote C139 Can bus (+) Can bus (+) c1 Can bus (-) Circuit board Coil sig Computer data lines system Cool temp sens sig D64 D65 Eng ctrl com snsr rtn Engine coolant temperature sensor (3.6l: rear of left cylinder bank) (except 3.6l: top front of engine) Except 6.4l Fuse 100a Fuse block Fuse j19 60a Fuse m15 20a G906 (right front of engine compt) G906 (right front of of engine compt) Gnd Hot at all times Hot in run or start J7402a K175 K900 (or k915) N23 N24 Nca Post pos gas Power distribution system Powertrain control module (right front of engine compt) Rad fan low speed sig Rad fan mtr fd Rad fan mtr fd 2 Rad fan rly Rad fan rly coil sig Radiator cooling fan module (2wd) (behind radiator) Radiator cooling fan module (4wd) (behind radiator) Radiator fan high relay (2wd) (right front of engine compt) Radiator fan low relay Red S4504 (6.4l) s4513 (5.7l) s4011 (3.6l) Totally integrated power module (left side of engine compt) Z906
CRUISE CONTROL
3.6L 3.6L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 86 (3.6l) s4016 (5.7l) s4516 (3.6l: right rear of engine in engine harness) (5.7l: right front of engine, in engine harness) harness) (5.7l) s4500 s4000 (3.6l) red (left rear of engine, in engine harness) s4508 (right front of engine) g903 (right rear of engine 1 snsr sig 3.6l 5.7l A209 Accel ped pos Accel ped pos rtn Accel ped pos rtn 2 Accel ped pos sig1 Accel ped pos snsr rtn Accelerator pedal position sensor (base of accelerator pedal) App snsr sig2 B15 B16 Brake sig Brake sig 2 C130 C172 C280 Can bus (+) Can bus (-) Can bus + Can bus - Circuit board Cluster Computer data lines system D64 D65 Eng ctrl drct batt Fuel pump module (top of fuel tank) Fuse m1 15a Fuse m15 20a Fuse m28 15a Fuse m37 10a Gnd Hot at all times Hot w/ run/ start relay energized Ignition win wireless node In engine harness) Input speed sensor (left side of transmission) Input speed sig K122 K124 K126 K167 K22 K23 K29 K400 K855 K856 K922 Nca Output speed Output speed sensor (left side of transmission) Powertrain control module (right front of engine compt) Prim snsr fd1 Prim snsr fd2 Red S4015 (3.6l) s4515 (5.7l) Sf941 Sf943 Sk856 Sl51 Snsr rtn 2 Speed sens gnd Stp lmp sig T13 T14 T41 T52 Tan/red Throttle body (right rear of engine) Thrtl pos mtr pos Thrtl pos snsr rtn Thrtl pos snsr sig 1 Thrtl pos snsr sig 2 Totally integrated power module Trans rng prk/ neut sig Transmission solenoid/ pressure switch Z903 3.6L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 65 (info not available) (left front of engine, in multiple display solenoid harness) s270 Adaptive cruise control module (center of front fascia) Brake sig Brake sig 2 C130 C139 C2 input spd (n2) sig+ C3 can bus - Can bus (+) Can bus (-) Can bus + Can bus - Clstr/chmsl batt Computer data lines system D507 D51 D52 D64 D65 Dimm sw Electrohydraulic control unit Evic rmux sig 1 Evic/nav rmux rtn F943 Fused b+ G909a (right rear of engine compt) G912 (left side of dash) G916 (left rear of cargo area) Gnd Horn switch Hrn sw sig Htd str whl sig Ign rs Input spd (n2) sig+ Input spd (n3) sig+ Left remote radio switch Left steering wheel switch Lin sccm Red Rem rad ctrl sw sig Rem rad sw snse rtn Right remote radio switch S271 S272 Spd snsr rtn Speed control switch Steering control module (steering column) Steering wheel heater sensor Stop lamp switch (left side of dash) Stp lmp sig Sw spd ctrl rtn Sw spd ctrl snse 1 Sw spd ctrl snse 2 Sz909 T13 T70 T71 Tan/red Transmission control module (3.6l) (left side of dash) V71 V72 V937 Z909 Z912
5.7L 5.7L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 86 (3.6l) s4016 (5.7l) s4516 (3.6l: right rear of engine in engine harness) (5.7l: right front of engine, in engine harness) harness) (5.7l) s4500 s4000 (3.6l) red (left rear of engine, in engine harness) s4508 (right front of engine) g903 (right rear of engine 1 snsr sig 3.6l 5.7l A209 Accel ped pos Accel ped pos rtn Accel ped pos rtn 2 Accel ped pos sig1 Accel ped pos snsr rtn Accelerator pedal position sensor (base of accelerator pedal) App snsr sig2 B15 B16 Brake sig Brake sig 2 C130 C172 C280 Can bus (+) Can bus (-) Can bus + Can bus - Circuit board Cluster Computer data lines system D64 D65 Eng ctrl drct batt Fuel pump module (top of fuel tank) Fuse m1 15a Fuse m15 20a Fuse m28 15a Fuse m37 10a Gnd Hot at all times Hot w/ run/ start relay energized Ignition win wireless node In engine harness) Input speed sensor (left side of transmission) Input speed sig K122 K124 K126 K167 K22 K23 K29 K400 K855 K856 K922 Nca Output speed Output speed sensor (left side of transmission) Powertrain control module (right front of engine compt) Prim snsr fd1 Prim snsr fd2 Red S4015 (3.6l) s4515 (5.7l) Sf941 Sf943 Sk856 Sl51 Snsr rtn 2 Speed sens gnd Stp lmp sig T13 T14 T41 T52 Tan/red Throttle body (right rear of engine) Thrtl pos mtr pos Thrtl pos snsr rtn Thrtl pos snsr sig 1 Thrtl pos snsr sig 2 Totally integrated power module Trans rng prk/ neut sig Transmission solenoid/ pressure switch Z903 5.7L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 65 (info not available) (left front of engine, in multiple display solenoid harness) s270 Adaptive cruise control module (center of front fascia) Brake sig Brake sig 2 C130 C139 C2 input spd (n2) sig+ C3 can bus - Can bus (+) Can bus (-) Can bus + Can bus - Clstr/chmsl batt Computer data lines system D507 D51 D52 D64 D65 Dimm sw Electrohydraulic control unit Evic rmux sig 1 Evic/nav rmux rtn F943 Fused b+ G909a (right rear of engine compt) G912 (left side of dash) G916 (left rear of cargo area) Gnd Horn switch Hrn sw sig Htd str whl sig Ign rs Input spd (n2) sig+ Input spd (n3) sig+ Left remote radio switch Left steering wheel switch Lin sccm Red Rem rad ctrl sw sig Rem rad sw snse rtn Right remote radio switch S271 S272 Spd snsr rtn Speed control switch Steering control module (steering column) Steering wheel heater sensor Stop lamp switch (left side of dash) Stp lmp sig Sw spd ctrl rtn Sw spd ctrl snse 1 Sw spd ctrl snse 2 Sz909 T13 T70 T71 Tan/red Transmission control module (3.6l) (left side of dash) V71 V72 V937 Z909 Z912
6.4L 6.4L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Cruise Control Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 75 (right front of engine) g909a A209 Accel ped pos rtn Accel ped pos rtn 2 Accel ped pos sig1 Accelerator pedal position sensor (base of accelerator pedal) App snsr sig2 B15 B16 Brake actv snse sig Brake actv snse sig 2 C130 C172 C2 input spd (n2) sig+ C280 C3 can bus (-) Can bus (+) Can bus (-) Circuit board Cluster Computer data lines system D64 D65 Electrohydraulic control unit assembly Eng ctrl drct batt fd Fuse m1 15a Fuse m15 20a Fuse m28 15a Fuse m37 10a Gnd Hot at all times Hot w/ run/ start relay energized Ignition win wireless node Input spd (n2) sig+ Input spd (n3) sig+ K122 K124 K126 K167 K22 K23 K29 K400 K852 K854 K855 K922 Nca Pos 1 snsr fd Pos 1 snsr sig Pos 2 snsr fd Pos 2 snsr sig Postn snsr rtn Postn snsr rtn 2 Powertrain control module (right front of engine compt) Prim snsr fd1 Red S4515 Sf941 Sf943 Sl51 Spd snsr rtn Stp lmp sig T13 T70 T71 Tan/red Throttle body (right rear of engine) Thrtl pos mtr pos Thrtl pos snsr rtn Thrtl pos snsr sig 1 Thrtl pos snsr sig 2 Totally integrated power module Transmission control module (left side of dash) Z909 6.4L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Cruise Control Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 59 (info not available) (left front of engine, in multiple display solenoid harness) s270 Adaptive cruise control module (center of front fascia) Brake sig Brake sig 2 C139 C172 Can bus (+) Can bus (-) Ckt t830 Ckt t831 Clstr/chmsl batt Computer data lines system D507 D51 D52 D64 D65 Dimm sw Evic rmux sig 1 Evic/nav rmux rtn F943 Fused b+ G909a (right rear of engine compt) G912 (left side of dash) G916 (left rear of cargo area) Gnd Horn switch Hrn sw sig Htd str whl sig Ign rs Left audio paddle switch Left steering wheel switch Lin sccm Red Rem rad ctrl sw sig Rem rad sw snce rtn Rem rad sw snse rtn Right audio paddle switch S271 S272 S74a S75a Speed control switch Steering control module (steering column) Steering wheel heater sensor Stop lamp switch (left side of dash) Stp lmp sig Sw spd ctrl rtn Sw spd ctrl snse 1 Sw spd ctrl snse 2 Sz909 Tan/red Trx V71 V72 V937 Z909 Z912
DEFOGGERS Defoggers Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Defoggers Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 36 (+) (-) (right side of dash, in instrument panel harness) s3029 87a A/c heater control module Bus bar C1110 C1120 C261 C279 C280 C395 Can bus (+) Can bus (-) Can bus ihs Circuit board Computer data lines system D264 D265 Driver door module Ebl relay ctrl Ec mrr rtn Electric heated backlite Fuse j12 30a G924 (right "d" pillar) Gnd Hot at all times Inside rearview mirror Nca Outsde ec mrr sig P112 P114 Passenger door module Rear window defogger relay S3030 (right side of dash, in instru- ment panel harness) Totally integrated power module (left side of engine compt)
ELECTRONIC POWER STEERING Electronic Power Steering Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Electronic Power Steering Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 18 Batt feed Battery remote post pos gas Can bus (+) Can bus (-) Computer data lines system Fuse 3 100a Fuse block Fuse m15 20a G906 (front front of engine compt) Gnd Hot at all times Hot w/ run/start relay energized Ign rs Nca Power steering pump motor (if equipped) (lower right front of engine) Red Sf943 Totally integrated power module (left side of engine compt)
ELECTRONIC SUSPENSION
3.6L 3.6L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 92 (base of left "c" pillar) g916 (pins: 11 to 29 not used) A206 Air suspension compressor assembly Air suspension control module Air suspension relay Air suspension solenoid assembly Air tank enable sol Axle vent sol ft lt Axle vent sol ft rt Axle vent sol rr lt Axle vent sol rr rt C172 C173 Can bus 2 (+) Can bus 2 (-) Cmpr temp Cmpr temp rtn Comprsr fd Comprsr rly fd Comprsr rly rtn Computer data lines system D51 D52 Elec brk conn F943 Fuse j1 40a Fuse m02 20a Fuse m15 20a G909a (right rear of engine compt) Gnd Hgt snsr pwr ft lt Hgt snsr pwr ft rt Hgt snsr pwr rr lt Hgt snsr pwr rr rt Hgt snsr rtn ft lt Hgt snsr rtn ft rt Hgt snsr rtn rr lt Hgt snsr rtn rr rt Hgt snsr sig ft lt Hgt snsr sig ft rt Hgt snsr sig rr lt Hgt snsr sig rr rt Hot at all times Hot w/ run/start relay energized Ign rs Left front height sensor Left rear height sensor Nca Power distribution center (left side of engine compt) Press snsr sig Psd mod/light bar batt fd Rev cntl Rev unit 1 Rev unit 2 Right front height sensor Right rear height sensor S140 S141 S142 S143 S144 S145 S146 S147 S148 S149 S150 S151 Sa206 Sf943 Snsr com rtn Snsr fd Totally integrated power module (left side of engine compt) Vlv bdy fd Y10 Y13 Y18 Y30 Y31 Y32 Y33 Y34 Y35 Y38 Y39 Y45 Y46 Y47 Y48 Y49 Z916
5.7L 5.7L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 92 (base of left "c" pillar) g916 (pins: 11 to 29 not used) A206 Air suspension compressor assembly Air suspension control module Air suspension relay Air suspension solenoid assembly Air tank enable sol Axle vent sol ft lt Axle vent sol ft rt Axle vent sol rr lt Axle vent sol rr rt C172 C173 Can bus 2 (+) Can bus 2 (-) Cmpr temp Cmpr temp rtn Comprsr fd Comprsr rly fd Comprsr rly rtn Computer data lines system D51 D52 Elec brk conn F943 Fuse j1 40a Fuse m02 20a Fuse m15 20a G909a (right rear of engine compt) Gnd Hgt snsr pwr ft lt Hgt snsr pwr ft rt Hgt snsr pwr rr lt Hgt snsr pwr rr rt Hgt snsr rtn ft lt Hgt snsr rtn ft rt Hgt snsr rtn rr lt Hgt snsr rtn rr rt Hgt snsr sig ft lt Hgt snsr sig ft rt Hgt snsr sig rr lt Hgt snsr sig rr rt Hot at all times Hot w/ run/start relay energized Ign rs Left front height sensor Left rear height sensor Nca Power distribution center (left side of engine compt) Press snsr sig Psd mod/light bar batt fd Rev cntl Rev unit 1 Rev unit 2 Right front height sensor Right rear height sensor S140 S141 S142 S143 S144 S145 S146 S147 S148 S149 S150 S151 Sa206 Sf943 Snsr com rtn Snsr fd Totally integrated power module (left side of engine compt) Vlv bdy fd Y10 Y13 Y18 Y30 Y31 Y32 Y33 Y34 Y35 Y38 Y39 Y45 Y46 Y47 Y48 Y49 Z916
6.4L 6.4L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Electronic Suspension Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 71 (base of left "c" pillar) g916 A206 Accel snsr pwr ft lt Accel snsr pwr ft rt Accel snsr pwr rr Accel snsr rtn ft lt Accel snsr rtn ft rt Accel snsr rtn rr Accel snsr sig ft lt Accel snsr sig ft rt Accel snsr sig rr Active damping control module C172 Can bus (+) Can bus (-) Computer data lines system D51 D52 Dmpr vlv ft lt(+) Dmpr vlv ft lt(-) Dmpr vlv ft rt(+) Dmpr vlv ft rt(-) Dmpr vlv pwr ft lt Dmpr vlv pwr ft rt Dmpr vlv pwr rr lt Dmpr vlv pwr rr rt Dmpr vlv rr lt(+) Dmpr vlv rr lt(-) Dmpr vlv rr rt(+) Dmpr vlv rr rt(-) Elec brk conn F943 Fuse m02 20a Fuse m15 20a Gnd Hot at all times Hot w/ run/start relay energized Ign rs Left front accel sensor Left front act damper valve Left rear act damper valve Nca Rear accel sensor Right front accel sensor Right front act damper valve Right rear act damper valve S130 S131 S132 S133 S134 S135 S136 S137 S160 S161 S162 S163 S164 S165 S166 S167 S168 S170 S171 S172 S173 Sa206 Sf943 Totally integrated power module (left side of engine compt) Z916
ENGINE PERFORMANCE
3.6L 3.6L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012: 29 Asd ctrl Auto shutdown relay B(+) C130 C173 Circuit board Fuse m19 25a Fuse m21 20a Fuse m28 15a G903 (right front of engine) Gnd Hot at all times Htr fd Knock sens 1 rtn Knock sens 1 sig Knock sensor (top center of engine) Nca Oxygen sensor 1/1 (right side of engine, in exhaust) Oxygen sensor 1/2 (right side of engine, in exhaust) Oxygen sensor 2/1 (left side of engine, in exhaust) Oxygen sensor 2/2 (left side of engine, in exhaust) Red S4000 S4005 (center rear of engine, in engine harness) S4006 (right rear of engine, in engine harness) S4012 (right rear of engine, in engine harness) Snsr rtn Snsr sig Totally integrated power module (left side of engine compt) 3.6L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012: 52 (right rear of engine, in engine harness) (top of fuel tank) A/c clutch B(+) C13 C130 C172 C192 C267 Circuit board Clstr/chmsl batt fd Fuel pump module Fuel pump relay Fuse m01 15a Fuse m15 20a Fuse m25 20a Fuse m33 10a G109 G916 (base of left "c" pillar) Gnd Hot at all times Hot w/ run/start relay energized Intake air temperature sensor (right rear of engine) K856 K917 Lvl snsr rtn Manifold absolute pressure (map) sensor Map snsr sig Nca Pmp mtr fd Pmp rly fd Press sens sig Prim sens fd Primary sig Prmry sig nca S4016 Secondary sig Sens rtn Sf202 Sf943 Shift lever assembly Snse sig 2 brk actv Snse sig brk actv Snsr fd 2 Snsr lvl sig nca Snsr rtn Snsr rtn 5 Snsr rtn nca Stop lamp switch (left side of dash) Tan/red Totally integrated power module (left side of engine compt) Z916 3.6L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012: 40 (right rear of engine) (right rear of engine, in engine harness) (top of engine, in injector harness) Accelerator pedal position sensor (base of accelerator pedal) App 1 rtn App 2 rtn App 2 sig C130 C162 C172 C231 Camshaft position sensor (rear of right cylinder bank) Camshaft position sensor 2 (rear of left cylinder bank) Camshaft position solenoid 1/1 (front of right cylinder bank) Camshaft position solenoid 1/2 (front of right cylinder bank) Crankshaft position sensor (front of left cylinder bank) Eng ctrl com Engine coolant temperature sensor (rear of left cylinder bank) Fuel injectors (1, 3 & 5: top of right cylinder bank) (2, 4 & 6: top of left cylinder bank) G903 (right front of engine) Oil press snsr sig Oil pressure sensor (left side of engine) Oil temperature sensor (left side of engine) Pos 1sens Prim sens fd 2 Pstn sens sig Pstn sens sig 2 S342 S4004 (right front of engine, in engine harness) S4007 S4011 S4013 Sens fd 2 Sk856 Snsr fd 1 Snsr fd 2 Snsr o/p Snsr rtn Snsr sig 3 Snsr sig 4 3.6L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Laredo X 2012: 69 (front of left cylinder bank) intake variable valve timing solenoid (left side of engine compt) evap/purge solenoid A/c clutch coil Apps 2 sig Asd ctrl fd 1 Asd rtn B15 B16 Brk actv snse sig Brk actv snse sig 2 C13 C130 C172 Can bus (+) Can bus (-) Cluster Computer data lines system Evap system monitor switch F342 Fuel pump ctrl G24 G62 G903 (right front of engine) G904 (left side of engine) G916 (base of left "c" pillar) Gnd Ign rs Ignition capacitor Ignition capacitor 2 Ignition coils (1, 3 & 5: top left side of engine) (2, 4 & 6:top right side of engine) K107 K167 K23 K29 K299 K31 K399 K400 K51 K52 K70 O2 1/2 dwnstrm htr fd O2 2/2 dwnstrm htr fd Oil pump solenoid Oil temperature sig Ped pos 1 sens sig Postn sens rtn Postn sens rtn 2 Powertrain control module (right front of engine compt) Pwm prg sig Pwm prg sol rtn Rad fan ssr fd Rly cntc ctrl S344 S4007 Sa212 Sf342 (right rear of engine compt, headlamp & dash harness) Sol var oil press Starting/ charging system Strk sense sig Strke snse Strtr rly coil rtn T110 T752 Vacc pmp rly coil Vacuum pmp rly coil ctrl Vacuum pump Vacuum pump fuse holder (right rear of engine compt) Vacuum pump relay
5.7L 5.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012: 59 (left side of engine, in exhaust) (right rear of engine, in engine harness) s4506 (top of fuel tank) 87a B(+) C130 C192 C267 Clstr/chmsl batt fd Fl sndr sig pmry Fuel pump module Fuel pump relay Fuse m01 15a Fuse m25 20a Fuse m33 10a G109 G903 (right front of engine) G916 (base of left "c" pillar) Gnd Hot at all times Hot at all times nca Hot w/ run/start relay energized Htr fd Intake air temperature sensor (top front of engine) K856 K917 Lvl snsr rtn Manifold absolute pressure (map) sensor Map snsr sig Nca Nca circuit board Oxygen sensor 1/1 Oxygen sensor 1/2 (left side of engine, in exhaust) Oxygen sensor 2/1 (right side of engine, in exhaust) Oxygen sensor 2/2 (right side of engine, in exhaust) Pmp mtr fd Pmp rly fd Press snsr sig Prim snsr fd Prmry sig nca Run/strt S4507 (left rear of engine, in engine harness) S4510 (right front of engine, in engine harness) S4516 Scndry sig nca Sens rtn Shift lever assembly Sndr sig scndry Snse sig 2 brk actv Snse sig brk actv Snsr fd 2 Snsr rtn Snsr rtn 5 Snsr rtn nca Snsr sig Stop lamp switch (left side of dash) Tan/red Totally integrated power module (left side of engine compt) Z916 5.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012: 35 (left rear of engine, in engine harness) s4511 (left side of engine) oil pressure sensor (lower right front of engine) oil temperature sensor (right rear of engine compt, in headlamp & dash harness) (right rear of engine, in engine harnes) (right rear of engine, in engine harness) s4513 5 volt sply Accelerator pedal position sensor (base of accelerator pedal) App 1 rtn App 1 sig App 2 rtn App 2 sig C130 C172 Camshaft position sensor (front of right cylinder bank) Center rear of engine, in engine harness s4502 Crankshaft position sensor (front of left cylinder bank) Crk spd snsr o/p Engine coolant temperature sensor (top front of engine) Fuel injectors (1, 3, 5 & 7: top of left cylinder bank (2, 4, 6 & 8: top of right cylinder bank) Ignition coils (1, 3, 5 & 7: top of left cylinder bank) (2, 4, 6 & 8:top of right cylinder bank) Line pressure sensor (right rear of transmission) Line sens Oil press sig S4501 S4505 (right front of engine, in engine harness) S4512 Sens fd 2 Sens rtn Sf342 Sk856 Snsr fd 1 Snsr fd 2 Snsr rtn Snsr sig 5.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012: 40 (left front of engine) variable camshaft timing solenoid (left side of engine compt) evap/purge solenoid (left side of transmission) input speed sensor (left side of transmission) output speed sensor (right front of engine) g903 (under engine) 2c ctrl 2c pre sig 4c ctrl 4c pre sig Batt fd C141 C172 Evap monitor system switch G916 (base of left "c" pillar) Gnd L/r ctrl L/r pre sig Lr/cc sol ctrl Ms ctrl Multi displacement system cylinder 1 solenoid Multi displacement system cylinder 4 solenoid Multi displacement system cylinder 6 solenoid Multi displacement system cylinder 7 solenoid Od ctrl Od pre sig P/n sig S270 S4508 (left rear of engine, in engine harness) S4510 Sens rtn Snse sig Transmission solenoid/pressure switch assembly Trns temp sig Trs c2 sig Trs c3 sig Trs c4 sig Trs c5 sig Ud ctrl Ud pre sig
6.4L 6.4L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Engine Performance Wiring Diagram (1 of 5) for Jeep Grand Cherokee Laredo X 2012: 60 5v eng tertiary fd 87a Asd ctrl fd 4 Auto shut down relay B(+) B15 B16 Brake sig Brake sig 2 Brk actv snse sig Brk actv snse sig 2 C130 C172 C173 Can bus (+) Can bus (-) Can bus(-) Circuit board Clstr/chmsl batt Computer data lines system D64 D65 Eng ctrl run/strt ign fuel tank press F202 Fuel lvl snsr rtn Fuel pmp mtr fd Fuel pump module (top of fuel tank) Fuel pump relay Fuel sndr lvl sig primary Fuel tank press snsr sig Ful pmp rly fd to sec rly or rstr Ful sndr lvl sig secondary Fuse m1 15a Fuse m19 25a Fuse m21 20a Fuse m25 20a Fuse m28 15a Fuse m33 10a Fuse m37 10a G109 G916 (base of left "c" pillar) Gnd Hot at all times Hot w/ run/ start relay energized Ign rs K859 K917 L51 Nca Powertrain control module (right front of engine compt) Red Sf202 Sf941 Sl51 (right kick panel, in body harness) Sndr lvl sig secondary Stop lamp switch (left side of dash) Stp lmp sig Tan/red Totally integrated power module (left side of engine compt) Z916 6.4L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Engine Performance Wiring Diagram (2 of 5) for Jeep Grand Cherokee Laredo X 2012: 71 (base of accelerator pedal) accelerator pedal position sensor (left front of engine) variable camshaft timing solenoid (right rear of engine compt, in headlamp & dash harness) sf342 (under engine) multi displacement system solenoid (cyl 1) (under engine) multi displacement system solenoid (cyl 4) (under engine) multi displacement system solenoid (cyl 6) (under engine) multi displacement system solenoid (cyl 7) A/c cltch coil A209 Accel ped pos 1 snsr fd Accel ped pos 1 snsr sig Accel ped pos 2 snsr fd Accel ped pos 2 snsr sig Accel ped pos snsr rtn Accel ped postn snsr rtn Accel ped postn snsr rtn 2 Air conditioning system Asd ctrl fd 1 Asd rtn C13 C130 C141 C172 C280 Can bus (+) Can bus (-) Can bus 2 (+) Can bus 2 (-) Can bus(+) Cluster Computer data lines system D65 Eng ctrl com snsr rtn 5 Eng ctrl drct batt fd Eng ctrl fuel pump sig Evap system monitor switch F342 G903 (right front of engine) G909a (right rear of engine compt) G916 (base of left "c" pillar) Gnd K107 K167 K23 K29 K31 K400 K51 K52 K70 K852 K854 K917 Leak detcn sw snse Leak dtctn sw sig Powertrain control module (right front of engine compt) Pwm prg sig Pwm prg sol rtn Red S270 Sol mds cyl 1 Sol mds cyl 4 Sol mds cyl 6 Sol mds cyl 7 Starting/ charging system Stp lmp sig Strtr ovrde rly coil rtn T752 Vct sig Wireless ignition node Z909 6.4L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Engine Performance Wiring Diagram (3 of 5) for Jeep Grand Cherokee Laredo X 2012: 47 (front of left cylinder bank) crankshaft position sensor (left rear of engine, in engine harness) s4511 (not used) (rear of left cylinder bank) engine coolant temperature sensor (rear of right cylinder bank) camshaft position sensor (right front of engine, in engine harness) (right rear of engine, in engine harness) s4501 (right rear of engine, in engine harness) s4513 (top of right cylinder bank) Asd ctrl fd 1 C130 C192 C267 Cam postn snsr sig Cool temp snsr sig Crk spd snsr outpt Crkshft postn snsr rtn Eng ctrl com snsr rtn Evap/purge solenoid (left side of engine compt) Exhaust differential pressure sensor Exhst gas press sig Fuel inj 1 sig Fuel inj 2 sig Fuel inj 3 sig Fuel inj 4 sig Fuel inj 5 sig Fuel inj 6 sig Fuel inj 7 sig Fuel inj 8 sig Fuel injector 1 (top of left cylinder bank) Fuel injector 2 Fuel injector 3 (top of left cylinder bank) Fuel injector 4 (top of right cylinder bank) Fuel injector 5 (top of left cylinder bank) Fuel injector 6 Fuel injector 7 (top of left cylinder bank) Fuel injector 8 Manifold absolute pressure sensor Map snsr sig Prim snsr fd 1 Prim snsr fd 2 Pwm prg S4505 S4516 Shift lever assembly Sig pwm prg Sol rtn 6.4L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Engine Performance Wiring Diagram (4 of 5) for Jeep Grand Cherokee Laredo X 2012: 81 (left side of engine) left knock sensor 1 (left side of engine) oil pressure sensor (left side of engine, in exhaust) oxygen sensor 1/1 (lower right front of engine) oil temperature sensor (right rear of engine, in engine harness) s4506 (right side of engine) right knock sensor 2 (right side of engine, in exhaust) oxygen sensor 2/1 (top front of engine) intake air temperature sensor A804 Altr fld fd Altr snse flnk to mod Coil on plg drv 1 Coil on plg drv 2 Coil on plg drv 3 Cool temp snsr sig Eng ctrl com snsr rtn Eng ctrl com snsr rtn 3 Fuel inj 1 sig Fuel inj 2 sig Fuel inj 3 sig Fuel inj 4 sig G24 G903 (right front of engine) Gnd Intke temp snsr sig K11 K12 K124 K126 K13 K14 K141 K20 K21 K242 K243 K299 K41 K42 K43 K442 K451 K452 K453 K85 K86 K902 K904 K924 K93 K942 K99 Map snsr sig O2 (1/1) upstrm htr fd O2 (1/1) upstrm snsr sig O2 (1/2) dnstrm htr fd O2 (1/2) dnstrm snsr sig O2 (2/1) upstrm htr fd O2 (2/1) upstrm snsr sig O2 (2/2) dwstrm snsr sig O2 dnstrm snse rtn O2 upstrm snse rtn O2 upstrm snsr rtn Oil press snse /sw sig Oil press snse/ sw sig Powertrain control module (right front of engine compt) Prim snsr fd 1 S4504 k915 S4510 Sig for qual snsr eng oil temp Snsr eng oil temp sig for qual Snsr knock 1 rtn Snsr knock 1 sig Snsr knock 2 rtn Snsr knock 2 sig Sol mds cyl 1 Sol mds cyl 4 Sol mds cyl 6 Starting/ charging system Thrtl pos mtr pos ctrl Vct sig 6.4L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Engine Performance Wiring Diagram (5 of 5) for Jeep Grand Cherokee Laredo X 2012: 92 (center rear of engine, in engine harness) (left rear of engine, in engine harness) s4507 (left side of engine, in exhaust) oxygen sensor 1/2 (right front of engine, in engine harness) s4515 (right side of engine, on exhaust) oxygen sensor 2/2 (top of left cylinder bank) (top of right cylinder bank) Asd ctrl fd 3 Cam postn snsr sig Coil on plg driv 1 Coil on plg driv 2 Coil on plg driv 3 Coil on plg driv 4 Coil on plg driv 5 Coil on plg driv 6 Coil on plg driv 7 Coil on plg driv 8 Coil on plg drv 4 Coil on plg drv 5 Coil on plg drv 6 Coil on plg drv 7 Coil on plg drv 8 Crkshft postn snsr rtn Crnk spd snsr outpt Eng ctrl com snsr rtn Eng ctrl com snsr rtn 3 Exhst gas press sig F856 Fuel inj 5 sig Fuel inj 6 sig Fuel inj 7 sig Fuel inj 8 sig G903 (right front of engine) Gnd Ignition capacitor Ignition capacitor 2 Ignition coil 1 Ignition coil 2 Ignition coil 3 Ignition coil 4 Ignition coil 5 Ignition coil 6 Ignition coil 7 Ignition coil 8 K10 K122 K15 K16 K199 K22 K237 K238 K24 K26 K28 K373 K38 K399 K44 K454 K58 K855 K900 K915 K922 K925 K97 K98 O2 (1/2) dnstrm htr fd O2 (1/2) dnstrm snsr sig O2 (2/1) upstrm htr fd O2 (2/2) dnstrm htr fd O2 (2/2) dnstrm snsr sig O2 dnstrm snse rtn Powertrain control module (right front of engine compt) Prim snsr fd 1 Prim snsr fd 2 S4502 S4510 S4512 Short runner solenoid valve Sol mds cyl 7 Srv act ctrl sig Srv snse outpt Throttle body Thrtl pos mtr pos ctrl Thrtl pos sensr rtn Thrtl pos sensr sig 1 Thrtl pos sensr sig 2 Thrtl pos snsr rtn Thrtl pos snsr sig 1 Thrtl pos snsr sig 2
EXTERIOR LIGHTS Backup Lamps Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Backup Lamps Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 37 (right "d" pillar) g924 (under right front door sill, in body harness) sl1 B(+) Backup lamp fd Bkup lmps fd C261 C280 C390 Can bus (+) Can bus (-) Circuit board Computer data lines system D64 D65 G912 (left side of dash) G923 (left "d" pillar) G924 (right "d" pillar) Gnd Hot at all times Inside rearview mirror Left liftgate lamp Left tail lamp assembly Nca Powertrain control module (5.7l) (right front of engine compt) Right liftgate lamp Right tail lamp assembly S500 S501 T42 Totally integrated power module (left side of engine compt) Trailer tow 7-way wiring (under rear of vehicle) Trans rng c2 sig Trans rng c3 sig Trans rng c4 sig Trans rng c5 sig Transmission control module (6.4l & 3.6l) (left side of dash) Transmission solenoid/ pressure switch assembly Exterior Lamps Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 91 (in ip harness) sl78 (left front of engine compt, in front end module harness) sl777 (left rear of engine compt) g901 (left side of dash) g912 (top center side of liftgate, in liftgate harness) s502 (under right front door sill, in body harness) sl78 6.4l A909 B(+) B15 B16 Batt fd 9 Brk actv sens sig Brk actv sens sig 2 C172 C280 C390 Can bus (+) Can bus (-) Center console lamp Circuit board Clstr/chmsl batt fd stp lmp sig Cluster Computer data lines system D264 D265 D51 D52 Except 6.4l Fd 1 fog lmp/ind Fuse m1 15a Fuse m18 15a Fuse m20 15a Fuse m37 10a G901 (left rear of engine compt) G912 (below center console) G912 (left side of dash) G916 (base of left "c" pillar) G924 (right "d" pillar) Gnd Gnd brk actv sens sig Hazard sw sig Hd/fog lp Hdlp lvng sw sig Headlamp switch Headlights system Hot at all times Hot w/ run/ start relay energized Ign rs brk actv sens sig 2 L160 L161 L51 L57 L62 L63 L777 L91 Lamps 2 Left drl lamp Left front lamp assembly Lf prk/tl Lf trn sig ind License plate lamp/ rear camera assembly Lin ccn Lt ft prk/ tl lmps 2 Mlfnct sw rtn Nca Powertrain control module (right front of engine compt) Red Rf turn sig ind Rt ft prk/ tl lmps 1 Rt ft prk/tl lmps 1 S3002 S5005 S501 Sens sig stp lmp Sf941 Sig fd lf trn Sig fd lt rr trn Sig fd rr turn Sig fd rt ft trn Sl51 (right kick panel, in body harness) Steering control module (steering column) Stop lamp switch (left side of dash) Stp lmp sig Sw sig hazard Tan/red Totally integrated power module (left side of engine compt) Upper bank switch Wireless ignition node Z912 Exterior Lamps Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 50 (if equipped) center high mounted stop lamp (left side of engine compt) power distribution center Assy pdc Backup lamps circuit Backup lmp Bkup lmps fd Bkup lyps fd Brake provision module (left kick panel) C100 C139 C392 Fuse j14 20a Fuse m35 15a G901 (left rear of engine compt) G909a (right rear of engine compt) G916 (base of left "c" pillar) G923 (left "d" pillar) G924 (right "d" pillar) Gnd Hot at all times nca L56 Left liftgate lamp Left tail lamp assembly Liftgate unlock relay Lmps 1 rf prk/tl Lt ft prk/tl lmps 1 Lt rr trn sig fd Nca Park lamp relay Prk lp rly ctrl Rf prk/tl lmps 1 Rf trn sig fd Right drl lamp Right front lamp assembly Right liftgate lamp Right tail lamp assembly Rr turn sig fd Rt ft prk/tl lmps 1 Rt rr trn sig fd S5002 S5005 S5006 S501 Sl56 (left kick panel, in body harness) Sl77 Stp lmp sens sig Stp lmp sig Totally integrated power module (left side of engine compt) Trailer tow 7-way wiring (under rear of vehicle) Z916 Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Trailer Tow Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 33 A114 B400 Backup lamps circuit Brake provision module (left kick panel) Brk output Bus (-) can C173 Can bus (+) Circuit board Computer data lines system Ctrl rly lt ttow Ctrl rly rt ttow D264 D265 Exterior lamps circuit Fuse j3 40a Fuse j9 30a G916 (base of left "c" pillar) G923 (left "d" pillar) Gnd Hot at all times Iod snse L56 L673 L674 Nca Nca b(+) Red Stp lmp sig Totally integrated power module (left side of engine compt) Trailer tow 7-way wiring (under rear of vehicle) Ttow elec Z916
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo X 2012 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Jeep Grand Cherokee Laredo X 2012: 64 (4wd) drive train control module (5.7l & 3.6l) air suspension control module (6.4l) active damping control module (if equipped) (if equipped) brake provision module (if equipped) electronic limited slip differential module (not used) (w/o memory) driver seat switch 5.7l & 6.4l Anti lock brakes module B c4 Blind spot module Brake fluid level sensor C1111 C138 C2 c C266 C267 C353 C663 Cigar lighter Cluster Console power outlet Cupholder lamp D c2 Driver door latch Driver door module Driver lumbar seat adjuster switch Driver window/ door lock switch Evap system monitor switch From splice s4510 (diagram 2 of 3) Front blower motor power module Fuel door solenoid Fuel pump module G901 (left rear of engine compt) G911 (left end of dash) G916 (base of left "c" pillar) Glove box lamp Headlamp switch Left drl lamp Left front fog lamp Left front headrest solenoid Left front lamp assembly Left rear heated seat switch Left seat cushion heater Lower left courtesy lamp Lower right courtesy lamp Memory seat module Multi displacement system cylinder 1 solenoid Multi displacement system cylinder 4 solenoid Multi displacement system cylinder 6 solenoid Multi displacement system cylinder 7 solenoid Prndl lamp Right drl lamp Right rear heated seat switch S270 (left front of engine, in multiple display solenoid harness) S5005 (left front of engine compt, in front end module harness) S601 (in left front door harness) S916 Shift lever assembly Stop lamp switch Tire pressure module Transfer case selector switch Variable camshaft timing solenoid Ground Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo X 2012 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo X 2012: 74 (3.6l) vacuum pump (6.4l) short runner solenoid valve (if equipped) hands free module (if equipped) power steering pump motor (left side of engine compt) totally integrated power module 3.6l 5.7l 5.7l & 3.6l 5.7l & 6.4l 87a A/c heater control C100 C139 (3.6l) C2010 C261 C383 C389 Camshaft 1/1 position solenoid Camshaft 1/2 position solenoid Cargo lamp Center console lamp Center high mounted stop lamp Cluster Data link connector Door lock relay Driver door unlock relay Dynamics sensor Exhaust variable valve timing solenoid From totally integrated power module (diagram 3 of 3) Front washer pump relay G100 (6.4l) G102 (6.4l) G306 G903 (right front of engine) G906 (right front of engine compt) G912 (left side of dash) G913 (left side of dash) G923 (left "d" pillar) Inside rearview mirror Intake variable valve timing solenoid Left rear blind spot sensor Left rear door latch Left rear power window switch Left rear seat cushion heater Left tail lamp assembly Nca Occupant restraint controller module Oil pump solenoid Oxygen sensor 1/1 Oxygen sensor 1/2 Oxygen sensor 2/1 Oxygen sensor 2/2 Passenger door unlock relay Passive entry module Power liftgate chime Power liftgate module Powertrain control module Radiator cooling fan module Radio Radio amplifier Rain sensor Rear washer pump relay Right rear blind spot sensor S4007 (right rear of engine, in engine harness) S4510 (5.7l & 6.4l) s4012 (3.6l) (5.7l & 6.4l: right front of engine, in engine harness) (3.6l: right rear of engine, in engine harness) S6500 (in left rear door harness) S923 Steering control module To splice s270 (diagram 1 of 3) Trailer tow 7-way wiring Transmission control relay Upper bank switch Video screen module Wireless ignition node Ground Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo X 2012 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Jeep Grand Cherokee Laredo X 2012: 72 (6.4l) powertrain control module (if equipped) adaptive cruise control module (if equipped) air suspension compressor assembly (if equipped) air suspension relay (if equipped) right front lamp assembly (if equipped) right rear seat cushion heater (if equipped) transmission control module (left side of engine compt) power distribution center (left side of engine compt) totally integrated power module (not used) 2nd row dome lamp 3rd row dome lamp 87a A/c compressor clutch C1121 C130 C139 C2 c C2020 C311 C352 C384 C392 C395 C4 b C664 Cargo lamp Compass module Electric heated backlite Flip up glass latch Front wiper motor G909a (right rear of engine compt) G919 (base of right "c" pillar) G924 (right "d" pillar) Heated seat module Horn 1 Horn 2 Inverter module Left front grab handle lamp Left leftgate lamp Left vanity lamp License plate lamp/ rear camera assembly Liftgate unlock relay Nca Over head console assembly Overhead console assembly Park assist module Passenger door latch Passenger door module Passenger lumbar seat adjuster switch Passenger seat switch Rear power outlet Rear wiper motor Right front fog lamp Right front grab handle lamp Right front headrest solenoid Right liftgate lamp Right rear door latch Right rear power window switch Right seat cushion heater Right tail lamp assembly Right vanity lamp S5006 (center front of engine compt, in front end module harness) S501 (top left side of liftgate, in liftgate harness) S600 (in right front door harness) S6752 (in right rear door harness) S919 S919y Sunroof motor Sz923 To g306 (diagram 2 of 3) Wiper on/off relay
HEADLIGHTS Headlamps Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo X 2012 List of elements for Headlamps Wiring Diagram, without DRL for Jeep Grand Cherokee Laredo X 2012: 81 (center front of engine compt) sl90 (center of dash) s3008 (right rear of engine compt) g909a A/c heater control module Auto hdlp sig Auto headlamps sig B (+) Batt fd 9 Bus (+) can C138 C260 C279 C280 Can bus (+) Can bus (-) Circuit board Cluster Compass module Computer data lines system D506 D64 D65 Dim 3 ip Dimm sig sel Fog lmp/ind fd 2 Fuse 20a Fuse holder 2 Fuse m11 10a Fuse m20 15a Fuse m34 10a G901 (left rear of engine compt) G909a (right rear of engine compt) G911 (left end of dash) G912 (left side of dash) Gnd Hdlp/fog lmp sel sw Headlamp switch Hot at all times Hot w/ run relay energized Hzrd sig sw Ign r Interior lights system Iod fd L33 L34 L43 L44 L91 L910 L911 Left front fog lamp Left front lamp assembly Lin ccn Lt hdlp rtn Lt hi beam Lt hi beam fd Lt lo beam Lt lo beam fd Mlfnct rtn sw Mlfnct sw rtn Park brk sw sig Parking brake switch (top of parking brake assembly) Power distribution center (left side of engine compt) Rad fan ssr fd Red Right front fog lamp Right front lamp assembly Rt hdlp rtn Rt hi beam Rt hi beam fd Rt lin ltng Rt lo beam Rt lo beam fd S3002 S5005 S5006 S5009 Snsr sunld sig Sun sensor Totally integrated power module (left side of engine compt) Upper bank switch Headlamps Leveling Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Headlamps Leveling Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 23 (in headlamp & dash harness, right rear of engine compt) C139 C172 Front headlamp level sensor Ft 5v hdlp lvlg snsr Ft hdlp lvlg snsr rtn Ft hdlp lvlg snsr rtn c1 Ft hdlp lvlg snsr sig Fuse m34 10a nca G909a (right rear of engine compt) Gnd Hot w/ run relay energized nca Ign r Rear headlamp level sensor Right front lamp assembly Rr 5v hdlp lvlg snsr Rr hdlp lvlg snsr rtn Rr hdlp lvlg snsr sig S5006 S5009 Sl961 Sl962 Totally integrated power module (left side of engine compt)
HORN Horn Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Horn Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 27 87a Can bus2 (+) Can bus2 (-) Circuit board Computer data lines system D507 D51 D52 Fuse m22 10a nca Fuse m23 10a nca G909a (right rear of engine compt) Horn 1 Horn 2 Horn relay Horn relay coil drv Horn sw sig Horn switch Hot at all times Lin sccm Nca Rem rad sw snse rtn S272 Sound systems Speed control switch Steering control module (steering column) Sz909 Totally integrated power module (left side of engine compt)
INSTRUMENT CLUSTER Instrument Cluster Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Instrument Cluster Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 82 (right "d" pillar) g924 (right front of engine, in engine harness) (3.6l) s4004 (5.7l & 6.4l) s4505 (right rear of engine, in engine harness) (3.6l) s4015 110vac inv stat ind 3.6l & 5.7l 6.4l A412 A909 Astk up B25 Batt fd 9 Bus (-) C279 C280 Can Can bus (+) Can bus(+) ihs 125k Can bus(-) ihs 125k Cluster Compass module Computer data lines system D264 D265 D506 D64 D65 Dim 3 ip Dimm sig sel E12 Eng ctrl com snsr rtn F921 F943 Fd 1 Ft hdr crtsy fd Fuse m13 20a nca Fuse m15 20a nca Fuse m20 15a nca Fuse m34 10a nca G911 (left end of dash) G912 (left side of dash) Gnd Hdlp/fog lmp sel sw Headlights system Hot at all times Hot w/ run relay energized Hot w/ run/ start relay energized Ign r Ign rs Interior lights system Iod fd K855 K900 L116 L900 Lin ccn M24 M27 Mlfnct sw rtn Nca Oil press P806 Park brk sw sig Parking brake switch (top of parking brake assembly) Power distribution system Powertrain control module (right front of engine compt) Prim snsr Prk brk sw sig Rail lmp fds Red S3002 S3017 S4515 (5.7l & 6.4l) (right front of engine, in engine harness) Sa412 Sf921d Shift interlock system Snse/sw sig Sz923 Totally integrated power module (left side of engine compt) Ugdo disable Z911 Z912 Z923 Instrument Cluster Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Instrument Cluster Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 69 (base of left "c" pillar) (left "d" pillar) (top right side of liftgate, in liftgate harness) s503 3.6l Ajar sig rt rr dr nca Ajar sw sig lt rr dr nca B(+) B20 Brake fluid level sensor (left rear of engine compt) Brk lvl sw sig C1110 C1120 C162 C173 C231 C383 C384 C392 Can bus (+) ihs 125k Can bus (+) nca Can bus (-) ihs 125k Can bus (-) nca Circuit board Computer data lines system D264 D265 Driv ft dr ajar sw in Driver door latch Eng ctrl com snsr rtn Fuel lvl snsr rtn Fuel pump module (top of fuel tank) Fuel sndr lvl sig primary Fuel sndr lvl sig secondary G109 G74 G75 G76 G77 G78 G901 (left rear of engine compt) G916 G919 (base of right "c" pillar) G923 (left "d" pillar) Gnd Hot at all times nca Left rear door latch Lgate ajar sig Liftgate ajar sig Liftgate door latch Logic rtn Lt rr dr ajar sig gnd Nca Oil press snse/sw sig Oil pressure sensor (left side of engine) Pass ft dr ajar sw in Passenger door latch Power liftgate module Prim snsr fd 1 Q901 Right rear door latch Rt rr dr ajar sig gnd S600 S601 S6500 S6752 Sg78 (right quarterpanel, in body harness) Sw sig brk lvl nca Totally integrated power module (left side of engine compt) Z923
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 64 (right side of dash, in instrument panel harness) s3022 B(+) Batt fd C1110 C1120 C2020 C280 C383 C384 C392 Can bus (+) Can bus (-) Circuit board Cluster Computer data lines system D264 D265 Driver door latch Drv dr ajar sw in Ft hdr crtsy fd Fuse m20 15a G74 G75 G76 G77 G78 G911 (left end of dash) G912 (left side of dash) G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left " d" pillar) G923 (left "d" pillar) Glove box lamp Gnd Hdlp/fog lmp sel sw Headlamp switch Hot at all times Integrated power module (left side of engine compt) Lamp sw sig Left rear door latch Lgate ajar sig Lh dr ajar sw sig Lh rr door ajar sig Liftgate door latch Lower left courtesy lamp Lower right courtesy lamp Nca Pass ft dr ajar sw in Passenger door latch Power liftgate module (left "d" pillar) Rail lmp fds Rail lp fds Red Right rear door latch Rr dr ajar sw sig S3002 S3021 (right side of dash, in instrument panel harness) S600 S601 S6500 S6752 Sg78 W/ power liftgate Z923 Courtesy Lamps Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 71 (right "d" pillar) g924 2nd row dome lamp 3rd row dome lamp A214 A215 B(+) C1111 C1114 C1121 C1124 C2010 C392 Can bus (+) Can bus (-) Cargo lamp Circuit board Computer data lines system D264 D265 Dim 3 ip Driver door handle lamp Driver door module Driver side pocket map lamp Drv dr hndl lmp Drv dr hndl lmp rtn Ft hdr crtsy fd Fuse j4 25a Fuse j5 25a Fuse m34 10a G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left "d" pillar) G924 (right "d" pillar) Gnd Hot at all times Ign r Instrument illumination circuit Iod fd Left front grab handle lamp Left vanity lamp M45 M451 M46 M461 Nca Pass dr hndl lamp Pass dr hndl lamp rtn Pass dr hndl lmp Pass dr hndl lmp rtn Passenger door handle lamp Passenger door module Passenger side pocket map lamp Rail lamp fds Rail lmp fds Rail lp fds Right front grab handle lamp Right vanity lamp Run relay (on pcb) Run rly ctrl S2451a S2461a S323 S504 (top right side of liftgate, in liftgate harness) S600 Sf921b1 Sm24 (base of left "c" pillar, in body harness) Sm27 Sz923 Totally integrated power module (left side of engine compt) Z917 Z919 Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Instrument Illumination Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 57 2nd row dome lamp 3rd row dome lamp A909 B (+) Batt fd C2020 C266 C267 C280 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Circuit board Cluster Computer data lines system Cupholder lamp D264 D265 D51 D52 Dim 3 ip Dimm sig sel E34 Fuse m13 20a Fuse m15 20a Fuse m20 15a G911 (left end of dash) G912 (left side of dash) G916 (base of left "c" pillar) G924 (right "d" pillar) Gnd Hdlp/fog lmp sel sw Hdlp/fog lmp sw Headlamp switch Hot at all times Hot w/ run/start relay energized Ign rs Iod fd Left rear heated seat switch Mlfnct sw rtn Nca Over head console assembly Pass sw ill ft Passenger door module Passnger window/ door lock switch Prndl lamp Red Right rear heated seat switch S3002 S3016 (right side of dash, in instrument panel harness) S3017 Sa412 Se12 (under right front door sill, in body harness) Steering control module (steering column) Totally integrated power module (left side of engine compt) Z912
MEMORY SYSTEMS Memory Systems Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Memory Systems Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 97 memory seat module (base of left "c" pillar) g916 25a A210 Adj ped rtn Aft mux-lt pwr sts bse fore C1114 C279 C334 C663 Can b bus (+) Can b bus (-) Can bus(+) Can bus(-) Computer data lines system D264 D265 Driver door module Driver front vertical seat adjuster motor Driver horizontal seat adjuster motor Driver rear vertical seat adjuster motor Driver recliner seat adjuster motor Driver seat switch Drv mem sts ft vert dn Drv mem sts horz aft Drv mem sts horz fwd Drv mem sts rclne aft Drv mem sts rclne fwd Drv mem sts rr vert dn Drv mem sts rr vert up Drv mem sts vert mtr fwd Ft batt fd G200 G401 G402 G403 G404 G491 G492 G493 G494 G914 G920 Gnd Hall snsr ft rsr gnd Hall snsr ft rsr-pwr Hall snsr horz gnd Hall snsr horz pwr Hall snsr rclnr gnd Hall snsr rclnr pwr Hall snsr rr rsr gnd Hall snsr rr rsr pwr Horz aft drv mem sts Hot at all times Mem sel mux Mem sel snse rtn Mem sts snse fd Mem sts snse rtn Memory set switch Mtr fwd drv mem sts vert P111 P113 P115 P117 P119 P121 P141 P143 P151 P152 P153 P157 P28 P29 P309 P311 P953 Power seat circuit breaker Pwd drv mem sts horz Pwr sts bse fore/aft mux-lt Pwr sts rclne mux-lt Red S210 S3018 S3023 S916 Steering telescope motor Steering tilt motor Strg hall snsr pwr fore/aft Strg hall snsr pwr up/dn Strg mtr fore/aft Strg mtr up/dn Strg mtr up/dn rtn Vert dn drv mem sts ft Vert dn drv mem sts rr Vert up drv mem sts rr Z916
NAVIGATION Blind Spot Monitoring Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Blind Spot Monitoring Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 30 Blind spot module (under driver's seat) C389 Can bus (+) blind Can bus (+) ihs Can bus (-) blind Can bus (-) ihs Computer data lines system D264 D265 D764 D765 F921 Fuse m34 10a G916 (base of left "c" pillar) G923 (left "d" pillar) Gnd Hot w/ run relay (on pcb) energized Ignr Left rear blind spot sensor Nca Power distribution system Right rear blind spot sensor S764 S765 S921 S923 Sf921a1 Sf921b1 Totally integrated power module (left side of engine compt) Z916 Parking Assistant Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Parking Assistant Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 50 (info not available) 8 dtlnk rtn C118 C389 Can bus (+) Can bus (-) Computer data lines system D264 D265 D701 D703 D704 D710 Dtlnk rtn F921 Fuse m34 10a G924 (right "d" pillar) Ground Hot w/ run relay (on pcb) energized Ign r Nca Park assist module (right "d" pillar) Park assist sensor 1 Park assist sensor 10 Park assist sensor 11 Park assist sensor 2 Park assist sensor 3 Park assist sensor 4 Park assist sensor 5 Park assist sensor 6 Park assist sensor 8 Park assist sensor 9 S700 S702 S750 S751 Sf921b1 Snsr 10 dtlnk rtn rr Snsr 11 dtlnk rtn rr Snsr 8 dtlnk rtn rr Snsr 9 dtlnk rtn rr Snsr fd ft Snsr fd rr Snsr sonic rtn rr Sonic rtn Sonic snsr fd rr Totally integrated power module (left side of engine compt) X700 X750 Z924 Rear Camera Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Rear Camera Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 41 Anti-theft system C279 C390 C392 Camera rtn Camera shield Camera sig Can bus (+) Can bus (-) Circuit board Computer data lines system D264 D265 Exterior lights system F921 Flpr glss rel Flpr glss rf2 Fuse m34 10a G924 (right "d" pillar) Gnd Hot w/ run relay (on pcb) energized Ignr L78 Lgate hndl sw rtn Lgate hndl sw sig License plate lamp/ rear camera assembly Nca Nca camera shld P30 P39 Q80 Radio Rt ft prk/tl lmps 1 S501 S90 (left side of dash, in instrument panel harness) Sf921a1 Totally integrated power module (left side of engine compt) X970 X971 X972 Z924
POWER DISTRIBUTION Power Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Distribution Wiring Diagram (2 of 4) for Jeep Grand Cherokee Laredo X 2012: 88 (base of right "c" pillar) g919 (center of dash, in instrument panel harness) s3002 (left side of engine compt) totally integrated power module (right kick panel, in body harness) sa27 110v ac line 1 110v ac line 2 A904 Ac power outlet Auto shut down relay Backup lmp sw Batt fd4 Batt feed Blower motor relay Bus bar C1110 C261 C266 C267 C280 C664 Can bus (+) Can bus (-) Can bus 2 (+) Can bus 2 (-) Circuit board Cluster Computer data lines system Door lock relay Driver door unlock relay Driver window/door lock switch Enable sw sig From run/ start relay (diagram 3 of 4) From totally integrated power module (diagram 3 of 4) Front washer pump relay Fuel door switch Fuse j19 60a Fuse j20 25a Fuse j21 20a Fuse m1 15a Fuse m20 15a Fuse m26 10a Fuse m27 10a Fuse m29 10a Fuse m31 20a Fuse m38 25a Fuse m5 25a G912 (left side of dash) Gnd Horn relay Ign run st Ign sw Ignition wireless node Inv stat ind Inverter module Lin tire press Nca P801 P802 P806 P807 Park lamp relay Passenger door unlock relay Passive entry module Radiator fan high relay (if equipped) Radiator fan low relay Rain sensor Rear washer pump relay Rear wiper relay Red S3000 (right side of dash,in instrument panel harness) S919 Shift lever assembly Sl51 Sol unlk Steering control module Stop lamp switch Stp lmp sig Sw sig Tan/red Tire pressure module Totally integrated power module Trans rng sig Transfer case selector Transmission control relay Upper bank switch Wiper high/ low relay Wiper on/off relay Z919 Power Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Distribution Wiring Diagram (3 of 4) for Jeep Grand Cherokee Laredo X 2012: 83 (3.6l) (5.7l) s4500 (left side of engine compt) totally integrated power module (not used) (right kick panel, in body harness) sf941 (right side of engine compt, in headlamp & dash harness) sf202 3.6l 3.6l & 5.7l 6.4l Acc dly rly ctrl Active damping controler module (if equipped) Adaptive cruise control module Anti-lock brakes module Assy pdc Assypdc Batt feed Batt pre Batt pre1 Bus bar C1111 C130 C139 C172 C2020 C261 C280 C311 Cigar lighter Circuit board Circuit breaker Cluster Driver door/ window lock switch Drivertrain control module Drivetrain control module (if equippd) Electronic limited slip differential module (6.4l & 5.7l) Except 5.7l Except 6.4l Fuel pump relay Fuse j10 30a Fuse j11 30a Fuse j22 25a Fuse m15 20a Fuse m16 10a Fuse m28 15a Fuse m3 30a Fuse m33 10a Fuse m37 10a Fuse m6 20a Fuse m7 20a G911 (left end of dash) G924 (right "d" pillar) Ign run acc Ign run st Inside rearview mirror Left drl relay Left drl relay (except 6.4l) Liftgate unlock relay Nca Occupant restraint controller module Power distribution center Power steering pump motor Powertrain control module Radiator fan high relay Rain sensor Rear power outlet Rear window defogger relay Red Right drl relay Right drl relay (except 6.4l) Run strt ctrl Run/ accessory delay relay Run/ accessory relay Run/ start relay S1008 (in headlamp & dash harness) S3017 S4000 Sf943 (under right front door sill, in body harness) Sf981 Stop lamp switch Sunroof motor To ignition wireless node (diagram 2 of 4) To wiper on/off relay (diagram 2 of 4) Transmission control module (except 5.7l) Vacuum pump relay (3.6l) Power Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Distribution Wiring Diagram (4 of 4) for Jeep Grand Cherokee Laredo X 2012: 55 (base of right "b" pillar, in body harness) sf921a1 (not used) A/c heater control Batt pre Batt pre 3 Blind spot module Bus bar C139 C172 C2020 C260 C266 C267 C280 C389 C392 C665 Cargo lamp Circuit board Compass module Console power outlet Fuse m14 20a Fuse m32 10a Fuse m34 10a Fuse m36 20a Fuse m8 20a Fuse m9 20a G911 (left end of dash) Heated seats module (if equipped) Left drl lamp (6.4l) Left front lamp assembly Left rear blind spot sensor Left rear heated seat switch Nca Occupant restraint controller module Park assist module Pnk/tan Rear camera/ license plate lamp assembly Right drl lamp (6.4l) Right front lamp assembly Right rear blind spot sensor Right rear heated seat switch Run ctrl Run relay Run relay (on pcb) S3035 S5009 S921 S931 Sf71 f71 Sf921b1 Sf921d Starter relay Totally integrated power module (left side of engine compt) Ttow prk
POWER DOOR LOCKS Power Door Locks Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Door Locks Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 79 (not used) 87a Abmt temp/fcm ssr rtn 1 Abmt/ fcm ssr rtn 1 Ambient air temperature sensor (left side of front grille) C1110 C1111 C1120 C1121 C383 C384 C392 Circuit board Door lock relay Dr ajar lt rr sig Dr ajar rt rr sig Dr lk lt ft Dr lk rt ft Dr lk sec pos all Dr lock rly ctrl Dr ulk rt ft Driver door latch Driver door unlock relay Drv dr ajar sw in Drv ft dr ajar sw in Flip-up glass latch Flpr mtr rel Front washer fluid level sensor (left front of engine compt) Ft drv dr lk Ft drv dr ulk Ft pass dr lk Ft pass dr ulk Fuse m38 25a G306 G70 G74 G75 G76 G77 G78 G80 G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left "d" pillar) G924 (right "d" pillar) G931 Gnd Hood sw sig Hot at all times Left rear door latch Lgate ajar sig Lt rr dr ajar sig Lt rr lk Lt rr ulk Nca P32 P34 P920 P930 P940 Pass dr ajar sw in Pass ft dr ajar sw in Pass ft lr & rr unlk ctrl Passenger door latch Passenger door unlock relay Q81 Right rear door latch Rr glass ajar sig Rr glss ajar sig Rt rr dr ajar sig Rt rr lk Rt rr ulk S501 S600 S601 S6500 S6752 Sg931 (right front of engine compt in front end module harness) Totally integrated power module (left side of engine compt) Power Door Locks Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Door Locks Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 68 (not used) c173 (right quarterpanel, A214 A215 Abmt temp/ fcm ssr rtn 1 Assy pdc Batt fd C1110 C1111 C1121 C383 C384 C392 Can bus (+) Can bus (-) Computer data lines system D264 D265 D501 D903 Driver door module Driver window/ door lock switch E34 Eatx batt fd Ft pass dr lk sw sig Ft pass sw illm/sns rtn Ft pass up sw snse Fuse j4 25a Fuse j5 25a Fuse m26 10a Fuse m3 30a G160 G78 G909a G916 (base of left "c" pillar) G924 (right "d" pillar) Gnd Hood ajar switch Hot at all times In body harness) L177 Left rear power window switch Lgate ajar sig Liftgate door latch Liftgate unlock relay Lin dcm dr Lin slve rtn Nca Park lamp relay Passenger door module Passenger window/ door lock switch Power distribution center (left side of engine compt) Power liftgate module (left "d" pillar) Prk lmp rly ctrl Q336 Q936 Right rear power window switch Rr dr ulk rly ctrl S1008 S501 S601 Sg78 Sw illm ft pass Sw pwr lk out fd rr lt Sw pwr lk out fd rr tt Totally integrated power module (left side of engine compt) U hood W/ power liftgate
POWER MIRRORS Power Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Mirrors Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 61 (base of left "c" pillar) (left side of dash) g912 A214 A215 Bkup lmps fd C1110 C1111 C1120 C1121 C261 C279 C280 Can bus(+) Can bus(-) Computer data lines system D264 D265 Driver door module Ec mrr rtn Exterior lights system F943 Fuse j4 25a Fuse j5 25a Fuse m15 20a G916 G919 (base of right "c" pillar) Gnd Handsfree module (left end of dash) Hf mic 2 in+ Hf mic hsd fd Hf mic ref Hnds free mic in+ Hnds free mic in- Hot at all times Hot w/ run/ start relay energized Ign rs Inside rearview mirror Integrated power module (left side of engine compt) Iod fd to dr node-drv Iod fd to dr node-pass Out side ec Out side ec mrr sig Out side ec mrr sig gnd P112 P114 Passenger door module Radio S3017 S3029 (right side of dash, in instrument panel harness) S3030 S600 W/ hands free module W/o hands free module X712 X722 X792 X793 X835 Z912 Z917 Z919
POWER SEATS Driver Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Driver Power Seat Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 32 (not 25a C334 Driver horizontal seat adjuster motor Driver horizontal varistor Driver seat switch Front driver varistor Front driver vertical seat adjuster motor Ft batt fd G916 (base of left "c" pillar) Gnd Hot at all times Power seat circuit breaker Pwr ft dn drv Pwr ft up drv Pwr horz fwd drv Pwr rclnr mtr aft Pwr rclnr mtr fwd Pwr sts horz aft Pwr vert rr dn drv Pwr vert rr up drv Rear driver varistor Rear driver vertical seat adjuster motor S11 S13 S15 S17 S19 S21 S210 S916 Used) Heated Seats Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Heated Seats Wiring Diagram (1 of 2) for Jeep Grand Cherokee Laredo X 2012: 83 Batt fd 9 C266 C664 C665 C91 C986 Can bus (+) Can bus (-) Computer data lines system Cshn bk vent mtr fd ft lt Cshn bk vent mtr fd ft rt D264 D265 Dim sip F930 F931 Ft lt cshn bk vent mtr rtn Ft rt cshn bk vent mtr rtn Fuse m08 20a Fuse m09 20a Fuse m20 15a Fuse m34 10a G912 (left side of dash) G916 (base of left "c" pillar) G919 (base of right "c" pillar) Gnd Ground Heat out to coil ft lt Heat out to coil ft rt Heat out to coil rr lt Heat out to coil rr rt Heatd sts snsr rtn Heated seats module Hi ind lt lr htd sts Hot at all times Hot w/ run (on pcb) relay energized Hot w/ run relay energized Htd str whl fd Ign r Interior lights system Left rear heated seat switch Lin ccn Lo ind rt rr htd sts Lr htd sts hi ind lt Lr htd sts lo ind lt Lr htd sts sw pos snse lt Lt ft heatd sts temp snsr Lt rr heatd sts temp snsr Nca P165 P166 P177 P178 P181 P182 P183 P184 P187 P188 P421 P422 P672 P673 P687 P688 P921 P922 P968 Red Right rear heated seat switch Rr htd sts hi ind rt Rr htd sts lo ind rt Rr htd sts sw pos snse rt Rt ft heatd stst temp snsr Rt rr heatd stst temp snsr S3002 S919 S931 Strg whl htr rtn Sw pos snse lt lr htd sts Totally integrated power module (left side of engine compt) Upper bank switch Z919 Heated Seats Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Heated Seats Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 39 (not used) (under left front door sill, in body harness) sp968 C280 C333 C334 C663 C665 C91 C986 G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 left "c" pillar) Gnd Heat out to coil ft lt Heat out to coil ft rt Heat out to coil rr lt Heat out to coil rr rt Heatd sts snsr rtn Htd str whl fd Left rear seat cushion heater Left seat back heater Left seat cushion heater Left seat cushion vent Lt ft heatd sts temp snsr Lt rr heatd sts temp snsr Right rear seat cushion heater Right seat cushion heater Right seat cushion vent Rt ft heatd sts temp snsr Rt rr heatd sts temp snsr S421 S422 S916 S919y S921 S922 S968 Steering control module (steering column) Strg whl htr rtn Heated Steering Wheel Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Heated Steering Wheel Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 33 C280 C665 C91 C986 Can bus (+) Can bus (-) Computer data lines system D264 D265 D507 Evic/nav rmux rtn F931 Fuse m9 20a G919 (base of right "c" pillar) Gnd Heated seats module Hot w/ run relay energized Htd str whl fd Htd str whl fwd Htd str whl sig Ign r Left steering wheel switch Lin sccm Nca S270 (left front of engine, in 3 multiple display solenoid harness) S919 S931 Speed control switch Steering control module (steering column) Steering wheel heater sensor Strg whl htr rtn Totally integrated power module (left side of engine compt) Z919 Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Lumbar Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 28 (base of left "c" pillar) g916 25a B deflate/ rearward B inflate/ forward C deflate/ rearward C inflate/ forward C333 C334 Driver forward/ rearward seat lumbar switch Driver lumbar seat adjuster switch Driver up/down seat lumbar motor Front passenger forward/rearward seat lumbar motor Front passenger up/down seat lumbar motor Ft batt fd G919 (base of right "c" pillar) Gnd Hot at all times Lmbr down driv Lmbr down pass Lmbr up driv Lmbr up pass Passenger lumbar seat adjuster switch Power seat circuit breaker Rear passenger forward/rearward seat lumbar motor Rear passenger up/down seat lumbar motor S210 S916 S919 Passenger Seat Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Passenger Seat Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 32 (not used) 25a C333 Front passenger varistor Front passenger vertical seat adjuster motor Ft batt fd G919 (right "c" pillar) Gnd Hot at all times Passenger horizontal seat adjuster motor Passenger horizontal varistor Passenger seat recliner adjuster motor Passenger seat switch Power seat circuit breaker Pwr ft dn pass Pwr ft up pass Pwr horz fwd pass Pwr horz rwd pass Pwr rclnr dn pass Pwr rclnr up pass Pwr vert rr dn pass Pwr vert rr up pass Rear passenger varistor Rear passenger vertical seat adjuster motor S10 S12 S14 S16 S18 S20 S210 S919
POWER TOP/SUNROOF Power Top/Sunroof Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Top/Sunroof Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 23 A940 Batt fd 6 C2020 C311 Circuit board F982 Fuse j22 25a G924 (right "d" pillar) Gnd Hot at all times Ign run acc Nca Overhead console assembly Red Sf981 Sunrf pwr cls(+) Sunrf pwr opn(+) Sunrf swd rtn Sunrf vent(+) Sunroof motor module Sz923 Totally integrated power module (left side of engine compt) Z911
POWER WINDOWS Power Windows Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Windows Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 89 (base of left "c" pillar) g916 (base of right "c" pillar) g919 5v batt fd A214 A215 C1110 C1111 C1121 C383 C384 Can bus (+) Can bus (-) Circuit breaker 1 Computer data lines system D264 D265 D501 D903 Driver door module Driver window motor Driver window/door lock switch E34 Fd drv hall snsr fd Ft driv wdo snsr rtn Ft drv hall snsr a Ft drv hall snsr fd Ft pass dr lk sw sig Ft pass hall snsr a Ft pass hall snsr fd Ft pass sw illm/sns rtn Ft pass up sw snse Ft pass wdo snsr rtn Fuse j04 25a Fuse j05 25a Fuse m26 10a G160 G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left "d" pillar) Gnd Hot at all times Hot w/ run accessory relay energized Integrated power module (left side of engine compt) Iod fd to dr node-drv Iod fd to dr node-pass Left rear power window switch Left rear window motor Lin Mstr ctrl rr dn lt Mstr ctrl rr dn rt Mstr ctrl rr up lt Mstr ctrl rr up rt N/a Nca Passenger door module Passenger window motor Passenger window/door lock switch Q11 Q12 Q21 Q22 Q301 Q302 Q305 Q306 Q336 Q936 Q990 Q991 Right rear power window switch Right rear window motor S600 S601 S6500 S6752 Sw illm ft pass Sw pwr wdw lk out fd rr lt Sw pwr wdw lk out fd rr rt Wdo dwn ft driv Wdo dwn ft pass Wdo dwn rr lt Wdo dwn rr rt Wdo up ft driv Wdo up ft pass Wdo up rr lt Wdo up rr rt Wdw run/accy ign Z917 Z919
RADIO Hands Free Module Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Hands Free Module Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 40 A413 C261 C280 Can bus (+) Can bus (-) Computer data lines system D264 D265 Fuse m10 15a nca G912 (left side of dash) Gnd Hands free module (left end of dash) Hf audo out com Hf audo output com Hf mic 2 in + Hf mic hsd fd Hf mic ref Hnds free mic in + Hnds free mic in - Hot at all times Inside rearview mirror Iod fd Left hf audio out Left hf audo output Nca Radio Red Right hf audio out Right hf audo output Sa413 Totally integrated power module (left side of engine compt) X703 X704 X712 X722 X792 X793 X795 X835 Z912 Radio Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo X 2012 List of elements for Radio Wiring Diagram (2 of 3) for Jeep Grand Cherokee Laredo X 2012: 53 C1118 C383 Can bus2 (+) Can bus2 (-) Computer data lines system D507 D51 D52 Data+ Data- Dr spkr + Dr spkr - Fd (+) lt Ft i/p spkr Ft lp ip Horns system Left audio peddle switch Left d-pillar speaker Left front door speaker Left front door tweeter speaker Left rear door speaker Left rear tweeter speaker Lin sccm Nca Radio usb c1 Radio usb c2 Red Rem rad ctrl sw sig Rem rad sw snse rtn Right audio peddle switch Right d-pillar speaker Rr lt Rr lt dr spkr - Rr lt shlf Rr rt shlf spkr rtn - Rr shlf Rr shlf spkr fd + lt S271 S272 S74a S75a Speed control switch Spkr fd + rt Spkr rtn Spkr rtn - Steering control module (steering column) Sx205 Sx209 Sx295 Sx299 Trx Usb gnd Usb pwr
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Shift Interlock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 74 (base of left "c" pillar) g916 (right front of engine, in engine harness) (3.6l) s4004 (right front of engine, in engine harness) (5.7l & 6.4l) s4505 3.6l 5.7l 5.7l & 3.6l 5.7l& 6.4l 6.4l Astk up B15 B16 Brk actv snse sig Brk actv snse sig2 Btsi sol ulk C130 C172 C192 C267 Can bus (+) Can bus (-) Circuit board Cluster Computer data lines system D51 D52 D64 D65 Electrohydraulic control unit assembly Eng ctrl com snsr rtn Fuse m37 10a G911 (left end of dash) Gnd Hot in run or start Ign rs Ign ulk run/ strt Ign ulk/run/strt Ignition wireless node K321 K900 Left audio paddle switch (6.4l) Lin bus Nca Pnk/ f1 Powertrain control module (right front of engine compt) Red Right audio paddle switch (6.4l) S271 S74a S75a Sf1 (5.7l & 6.4l) Sf941 Shift lever assembly Snsr sig trans rng temp Spd snse rtn Speed control switch Stop lamp switch (left side of dash) Sw sig T13 T41 T42 T54 T824 Totally integrated power module (left side of engine compt) Trans rng c2 sig Trans rng c3 sig Trans rng c4 sig Trans rng c5 sig Trans rng park Trans rng prk/neur sig Trans rng temp snsr sig Transmission control module (3.6l & 6.4l) (left side of dash) Transmission solenoid/pressure switch assembly (5.7l) Trx Z911
STARTING/CHARGING
3.6L 3.6L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 27 A803 Altr sense Battery Battery remote post pos gas Can bus (+) Can bus (-) Can ihs bus (+) Can ihs bus (-) Charging circuit Cluster Computer data lines system D64 D65 Fuse block Generator Gnrtr source fd Inline jump post to batt int a Inline jump post to batt int b K125 Nca Powertrain control module (right front of engine compt) Red S250 S251 S252 Starting circuit Tan 3.6L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 65 5.7l & 3.6l 6.4l 87a B(+) Batt feed Battery Battery remote post pos gas Btsi sol ulk Bus bar C130 C261 C267 C280 Can bus (+) Can bus (-) Can bus2(+) Can bus2(-) Charging circuit Circuit board Computer data lines system D51 D52 D64 D65 Electrohydraulic control unit assembly Except 6.4l F20 Fuse block Fuse j17 40a Fuse m27 10a G912 (left side of dash) Gnd Hold-in Hot at all times Ign run st Ign sw fd Inline jump post to batt int a Inline jump post to batt int b L51 Lin tire press Nca Powertrain control module (right front of engine compt) Pull-in Rain sensor (front of headliner) Red S3000 S500 a8 S501 a8 Sa8 a8 (6.4l) s252 (except 6.4l) (left side of engine) Shift lever assembly Sl51 (right kick panel, in body harness) Smrt strtr rly coil Starter Starter relay Stop lamp switch (left side of dash) Stp lmp sig Strtr ovrde rly coil rtn T54 T752 Tan Totally integrated power module (left side of engine compt) Trans rig park Trans ring temp snsr sig Transmission control module (left side of dash) Wireless ignition node (steering column)
5.7L 5.7L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 27 A803 Altr sense Battery Battery remote post pos gas Can bus (+) Can bus (-) Can ihs bus (+) Can ihs bus (-) Charging circuit Cluster Computer data lines system D64 D65 Fuse block Generator Gnrtr source fd Inline jump post to batt int a Inline jump post to batt int b K125 Nca Powertrain control module (right front of engine compt) Red S250 S251 S252 Starting circuit Tan 5.7L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 65 5.7l & 3.6l 6.4l 87a B(+) Batt feed Battery Battery remote post pos gas Btsi sol ulk Bus bar C130 C261 C267 C280 Can bus (+) Can bus (-) Can bus2(+) Can bus2(-) Charging circuit Circuit board Computer data lines system D51 D52 D64 D65 Electrohydraulic control unit assembly Except 6.4l F20 Fuse block Fuse j17 40a Fuse m27 10a G912 (left side of dash) Gnd Hold-in Hot at all times Ign run st Ign sw fd Inline jump post to batt int a Inline jump post to batt int b L51 Lin tire press Nca Powertrain control module (right front of engine compt) Pull-in Rain sensor (front of headliner) Red S3000 S500 a8 S501 a8 Sa8 a8 (6.4l) s252 (except 6.4l) (left side of engine) Shift lever assembly Sl51 (right kick panel, in body harness) Smrt strtr rly coil Starter Starter relay Stop lamp switch (left side of dash) Stp lmp sig Strtr ovrde rly coil rtn T54 T752 Tan Totally integrated power module (left side of engine compt) Trans rig park Trans ring temp snsr sig Transmission control module (left side of dash) Wireless ignition node (steering column)
6.4L 6.4L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Charging Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 28 A804 Altr sense Battery Battery remote post pos gas Can bus (+) Can bus (-) Can ihs bus (+) Can ihs bus (-) Charging circuit Cluster Computer data lines system D64 D65 Fuse block Generator Gnrtr source fd Inline jump post to batt int a Inline jump post to batt int b K20 Nca Powertrain control module (right front of engine compt) Red S500 a8 S501 a8 S502 ab a11 Sa8 a8 Starting circuit Tan 6.4L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Starting Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 65 5.7l & 3.6l 6.4l 87a B(+) Batt feed Battery Battery remote post pos gas Btsi sol ulk Bus bar C130 C261 C267 C280 Can bus (+) Can bus (-) Can bus2(+) Can bus2(-) Charging circuit Circuit board Computer data lines system D51 D52 D64 D65 Electrohydraulic control unit assembly Except 6.4l F20 Fuse block Fuse j17 40a Fuse m27 10a G912 (left side of dash) Gnd Hold-in Hot at all times Ign run st Ign sw fd Inline jump post to batt int a Inline jump post to batt int b L51 Lin tire press Nca Powertrain control module (right front of engine compt) Pull-in Rain sensor (front of headliner) Red S3000 S500 a8 S501 a8 Sa8 a8 (6.4l) s252 (except 6.4l) (left side of engine) Shift lever assembly Sl51 (right kick panel, in body harness) Smrt strtr rly coil Starter Starter relay Stop lamp switch (left side of dash) Stp lmp sig Strtr ovrde rly coil rtn T54 T752 Tan Totally integrated power module (left side of engine compt) Trans rig park Trans ring temp snsr sig Transmission control module (left side of dash) Wireless ignition node (steering column)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012 List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Jeep Grand Cherokee Laredo X 2012: 57 (left "b" pillar) Abg squib1 driv(+) Abg squib1 driv(-) Abg squib2 driv(+) Abg squib2 driv(-) C352 C353 C664 Can bus 2(+) Can bus 2(-) Can bus(+) Can bus(-) Clustert Computer data lines system D51 D52 Driv sig 1row Driv(+) abg squib1 Driv(+) abg squib2 Driv(-) abg squib1 Driv(-) abg squib2 Driver air bag squib 1 (in steering wheel) Driver air bag squib 2 (in steering wheel) G916 (base of left "c" pillar) Gnd Left front headrest solenoid Left side curtain air bag (top of left "d" pillar) Left side impact sensor 1 Left side impact sensor 2 (left "c" pillar) Left side thorax air bag Lt crtn squib1(+) Lt crtn squib1(-) Lt thorax squib(+) Lt thorax squib(-) Pass(+) abg squib1 Pass(+) abg squib2 Pass(-) abg squib1 Pass(-) abg squib2 Passenger air bag squib 1 (right side of dash) Passenger air bag squib 2 (right side of dash) R43 R45 R61 R63 Red Right side curtain air bag (top of right "d" pillar) Right side thorax air bag Rt thorax squib(+) Rt thorax squib(-) S916 Sde impt snsr1 lt(+) Sde impt snsr1 lt(-) Sde impt snsr2 lt(+) Sde impt snsr2 lt(-) Squib1(+) rt crtn Squib1(-) rt crtn Steering control module (steering column)
TRANSMISSION
3.6L 3.6L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 55 (left end of dash) g911 5v fd drivetrain A959 Batt fd Batt fd 9 Batt feed C267 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Cluster Computer data lines system D51 D52 Drive train control module (under driver's seat) Drivetrain 5v fd Drivetrain sens rtn Encdr sig tcase F943 Fuse j11 nca 30a Fuse m15 20a Fuse m20 15a G912 (left side of dash) G916 (base of left "c" pillar) Gnd Ground Hot at all times nca Hot w/ run/start relay energized nca Ign rs K504 K594 Lin ccn Mtr lk sig t case Nca Power distribution system Red S3002 Sens rtn drivetrain Sf943 Sol fd sw battery Sw battery sol fd T301 T313 T315 T316 T317 Tcase encdr sig Tcase mtr a sig Tcase mtr b sig Tcase mtr lk sig Totally integrated power module (left side of engine compt) Transfer case motor (at transfer case) Transfer case selector switch Z916 3.6L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 3.6L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 69 A209 B(+) Batt fd Batt sol ulk C130 C192 C267 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Circuit board Computer data lines system D51 D52 D64 D65 Electrohydraulic control unit assembly F202 Fuse m28 15a Fuse m33 10a G903 (right front of engine compt) G909a (right rear of engine compt) G911 (left end of dash) G912 (left side of dash) Gnd Hot at all times Hot w/ run/start relay energized Ign/ulk/run/strt Inpt spd sig + Modltn o/p ctrl Nca Od sol ctrl Powertrain control module (right front of engine compt) Red Run/strt Run/strt/ ign ctrl Run/strt/ign ctrl S4000 Sf202 Shft o/p ctrl Shift lever assembly Snsr i/p spd sig Sol (23) o/p ctrl Sol (34) o/p ctrl Spd sens rtn Spd snsr fd 6v T13 T54 T60 T70 T71 T72 T73 T74 T75 T76 T77 T78 Tcc pwm bpass ctrl Tcc pwm bpass o/p ctrl Totally integrated power module (left side of engine compt) Trans rng park Trans rnge temp snsr Transmission control module (left side of dash) Vlvs fd Wireless ignition node Z903 Z909
5.7L 5.7L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 55 (left end of dash) g911 5v fd drivetrain A959 Batt fd Batt fd 9 Batt feed C267 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Cluster Computer data lines system D51 D52 Drive train control module (under driver's seat) Drivetrain 5v fd Drivetrain sens rtn Encdr sig tcase F943 Fuse j11 nca 30a Fuse m15 20a Fuse m20 15a G912 (left side of dash) G916 (base of left "c" pillar) Gnd Ground Hot at all times nca Hot w/ run/start relay energized nca Ign rs K504 K594 Lin ccn Mtr lk sig t case Nca Power distribution system Red S3002 Sens rtn drivetrain Sf943 Sol fd sw battery Sw battery sol fd T301 T313 T315 T316 T317 Tcase encdr sig Tcase mtr a sig Tcase mtr b sig Tcase mtr lk sig Totally integrated power module (left side of engine compt) Transfer case motor (at transfer case) Transfer case selector switch Z916 5.7L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 99 (right front of engine) g903 (right front of engine, in engine harness) s4505 (right rear of engine, in engine harness) 2c press sw 2c sol ctrl 4c press sw 4c sol ctrl 5 volt sply A209 Asd rly fd B (+) Batt fd Batt sol ulk Bus (+) can ihs Bus (-) can ihs C130 C192 C267 Can bus(+) Can bus(-) Can bus2 (+) Can bus2 (-) Circuit board Computer data lines system D64 D65 Engine controls system F856 Frce fd sgnl Fuse j18 20a nca Fuse m28 15a G306 G911 (left end of dash) G912 (left side of dash) Gnd Hot at all times Ign ulk/ run/strt Ign ulk/run/strt Input spd sig Input speed sensor (left side of transmission) K900 L/r press sw Line press sig Line pressure sensor (right rear of transmission) Line sens Lr/cc sol ctrl Nca Od press sw Od sol ctrl Output spd sig Output speed sensor (left side of transmission) P/n sig Powertrain control module (right front of engine compt) Red Run/start S4500 S4508 S4509 S4513 S4516 Sens rtn Sf1 Shift lever assembly Spd sens rtn Sw batt fd T118 T13 T14 T140 T147 T15 T16 T20 T219 T259 T29 T38 T41 T42 T48 T50 T52 T54 T59 T60 Totally integrated power module (left side of engine compt) Trans ms fr lr Trans rng park Trans temp sig Transmission control relay Transmission solenoid/pressure switch assembly Trs rng c2 sig Trs rng c3 sig Trs rng c4 sig Trs rng c5 sig Ud press sw Ud sol ctrl Wireless ignition node Z903 5.7L, Rear Differential Lock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 5.7L, Rear Differential Lock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 54 (base of left "c" pillar) g916 5.7l 6.4l A206 A903 Batt fd 3 Battery remote post pos gas C173 Can bus2(+) Can bus2(-) Computer data lines system D51 D52 Ele brk conn Electronic limited slip differential module Electronic limited slip differential motor F943 Fuse 30a Fuse block Fuse m15 20a Fuse m2 20a nca Gnd Hot at all times Hot w/ run/start relay energizad nca I7402a Ign rs Mtr clamp in out Mtr clamp out in Mtr in out Mtr out in Nca Position sense fd Position sense rtn Power distribution system Rear differential solenoid Red Sa206 Sf943 Sig1 Sig2 T330 T331 T332 T333 T334 T335 T336 T337 T338 T339 Temp snsr rtn Temp snsr sig Totally integratted power module (left side of engine compt) Z916
6.4L 6.4L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, 4WD Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 55 (left end of dash) g911 5v fd drivetrain A959 Batt fd Batt fd 9 Batt feed C267 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Cluster Computer data lines system D51 D52 Drive train control module (under driver's seat) Drivetrain 5v fd Drivetrain sens rtn Encdr sig tcase F943 Fuse j11 nca 30a Fuse m15 20a Fuse m20 15a G912 (left side of dash) G916 (base of left "c" pillar) Gnd Ground Hot at all times nca Hot w/ run/start relay energized nca Ign rs K504 K594 Lin ccn Mtr lk sig t case Nca Power distribution system Red S3002 Sens rtn drivetrain Sf943 Sol fd sw battery Sw battery sol fd T301 T313 T315 T316 T317 Tcase encdr sig Tcase mtr a sig Tcase mtr b sig Tcase mtr lk sig Totally integrated power module (left side of engine compt) Transfer case motor (at transfer case) Transfer case selector switch Z916 6.4L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, A/T Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 84 (right rear of engine compt) g909a A209 B(+) Batt fd Btsi sol ulk C130 C192 C267 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Circuit board Computer data lines Computer data lines system Ctrl sw sig rem rad D51 D52 D64 D65 Electrohydraulic control unit assembly F202 Fuse m28 15a Fuse m33 10a G909a (right rear of engine compt) G911 (left end of dash) G912 (left side of dash) Gnd Horn switch Hot at all times Hot w/ run/start relay energized Ign/ulk/run/strt Inpt spd sig + Left audio paddle switch Lin sccm Modltn o/p ctrl Nca Od sol ctrl Powertrain control module (right front of engine compt) Red Rem rad ctrl sw sig Rem rad sw snse rtn Right audio paddle switch Run/strt Run/strt/ign ctrl S271 S272 S74a S75a Sf1 Sf202 Shft o/p ctrl Shift lever assembly Snse rtn rem rad sw Snsr i/p spd sig Sol (23) o/p ctrl Sol (34) o/p ctrl Spd sens rtn Spd snsr fd 6v Speed control switch System T13 T54 T60 T70 T71 T72 T73 T74 T75 T76 T77 T78 Tcc pwm bpass ctrl Tcc pwm bpass o/p ctrl Totally integrated power module (left side of engine compt) Trans rng park Trans rnge temp snsr Transmission control module (left side of dash) Trx Vlvs fd Wireless ignition node Z903 Z909 6.4L, Rear Differential Lock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for 6.4L, Rear Differential Lock Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 54 (base of left "c" pillar) g916 5.7l 6.4l A206 A903 Batt fd 3 Battery remote post pos gas C173 Can bus2(+) Can bus2(-) Computer data lines system D51 D52 Ele brk conn Electronic limited slip differential module Electronic limited slip differential motor F943 Fuse 30a Fuse block Fuse m15 20a Fuse m2 20a nca Gnd Hot at all times Hot w/ run/start relay energizad nca I7402a Ign rs Mtr clamp in out Mtr clamp out in Mtr in out Mtr out in Nca Position sense fd Position sense rtn Power distribution system Rear differential solenoid Red Sa206 Sf943 Sig1 Sig2 T330 T331 T332 T333 T334 T335 T336 T337 T338 T339 Temp snsr rtn Temp snsr sig Totally integratted power module (left side of engine compt) Z916
TRUNK, TAILGATE, FUEL DOOR Fuel Door Release Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Fuel Door Release Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 12 C279 C280 Fuel door solenoid (left rear quarterpanel) Fuel door switch Fuel dr lk rly ctrl Fuse m29 10a G916 (base of left "c" pillar) Gnd Hot at all times nca Mod fsed batt fd Nca Totally integrated power module (left side of engine compt) Power Liftgate Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Power Liftgate Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 70 (top right side of liftgate, in liftgate harness) s503 A115 C2010 C390 C392 Can bus (+) Can bus (+) ihs 125k Can bus (-) Can bus (-) ihs 125k Center bezel lamp Circuit board Computer data lines system D264 D265 Fuse j2 30a G25 G29 G78 G923 (left "d" pillar) Gnd Hot at all times Left liftgate pinch sensor (left "d" pillar) Lgate ajar sig Lgate cnch rel ltch (cnch) Lgate cnch rel ultch (rel) Lgate full opn sig Lgate mtr cls Lgate mtr opn Lgate sw ft sig Lgate sw rr sig Liftgate ajar sig Liftgate door latch Lt tape sw sig Ltch gear postn Ltch sec postn Nca Overhead console assembly P339 Postn snsr 1 sig Postn snsr 2 sig Postn snsr fd Power liftgate chime Power liftgate drive unit Power liftgate module (left "d" pillar) Pwr lgate chme sig Pwr lgate mod batt fd Pwr lgte chme sig Pwr lgte lgic rtn Q203 Q204 Q205 Q51 Q75 Q76 Q78 Q79 Q84 Q85 Q88 Q89 Q901 Q94 Rear power liftgate switch Right liftgate pinch sensor (right "d" pillar) Rt tape sw sig/temp snse Sg78 Sq901 (left "d" pillar, in body harness) Sw mux in 2 Totally integrated power module (left side of engine compt) Z923
WARNING SYSTEMS Chime Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Chime Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 89 (left "d" pillar) g923 (left end of dash) (top right side of liftgate, in ligtgate harness) s503 B(+) B20 Batt fd Brake fluid level sensor (left rear of engine compt) Brake fluid lvl sw sig C1110 C1120 C173 C279 C383 C384 C392 C663 Can bus (+) Can bus (-) Can bus2 (+) Can bus2 (-) Can bus2 + Can bus2 - Chime sig Circuit board Cluster Computer data Computer data lines system D264 D265 D51 D52 Driver door latch Driver seat belt buckle switch Drv dr ajar sw in Drv(+) Drv(-) Fuse m20 15a Fuse m27 10a G74 G75 G76 G77 G78 G901 (left rear of engine compt) G911 G912 (left side of dash) G916 (base of left "c" pillar) G919 (base of right "c" pillar) G923 (left "d" pillar) Gnd Hdlp/fog lp sel sw Headlamp switch Hot at all times Ign sw fd Ignition wireless node Left rear door latch Liftgate ajar sig Liftgate door latch Lines system Logic rtn Lr dr ajar sw sig Mlfnct sw rtn Nca Occupant restraint controller module (under center console) Park brake sw sig Parking brake switch (top of parking brake assembly) Pass dr ajar sw in Passenger door latch Power liftgate chime Power liftgate module (left "d" pillar) Prk brk sw sig Q901 Q94 R57 R59 Red Right rear door latch Rr dr ajar sw sig S3000 S3002 S600 S601 S6500 S6752 Sg78 (right quarterpanel, in body harness) Sts blt sw (-) Sts blt sw(+) Totally integrated power module (left side of engine compt) Z923 Tire Pressure Monitoring Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Tire Pressure Monitoring Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 29 A27 Bus (-) can Can bus (+) Can bus (-) Can bus2 + Can bus2 - Can bus2 - gnd Circuit board Cluster Computer data lines system D264 D265 D51 D52 G912 (left side of dash) G916 (base of left "c" pillar) Gnd Hot at all times Ign sw fd Ignition wireless node Modfsed batt fd Nca Nca fuse m27 10a Nca fuse m29 10a S3000 Sa27 Tire pressure module (left "c" pillar) Totally integrated power module (left side of engine compt) Z916
WIPER/WASHER Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo X 2012 List of elements for Wiper/Washer Wiring Diagram for Jeep Grand Cherokee Laredo X 2012: 69 (not used) 87a Abmt temp/fcm ssr rtn 1 C173 C261 C280 C395 Can ihs bus(+) Can ihs bus(-) Circuit board Computer data lines system D264 D265 Front washer fluid level sensor (left front of engine compt) Front washer pump relay (on pcb) Front wiper motor (top left of plenum) Ft wpr mtr hi spd fd Ft wpr mtr lo spd fd Ft wpr mtr prk sig Ft wsh mtr ctrl Fuse j20 25a Fuse j21 20a Fuse m24 25a G306 G909a (right rear of engine compt) G911 (left end of dash) G912 (left side of dash) G919 (base of right "c" pillar) G924 (right "d" pillar) G931 Gnd Hdlp rly ctrl Hdlp wsh Hdlp wsh mtr fd Hdlp wsh rly coil in Headlamp switch Headlamp washer relay Hot at all times Ign run acc Instrument cluster Lin tire press Lo wsh sw snse Mlfnct Mlfnct sw rtn Nca Nca abmt temp/fcm ssr rtn 1 nca low wsh sw sens Nca can bus(-) nca can bus(+) Nca ft wpr mtr prk sig Nca ign run acc Nca rr wpr mtr prk sig Nca wpr on/off rly ctrl nca wpr hi/lo rly ctrl nca rr wpe/wsh sig nca batt feed nca rr wpr rly ctrl nca ft wpr wsh sig to bcm nca wsh pmp mtr fd Power distribution center (left side of engine compt) Rain sensor (front of headliner) Rear washer pump relay (on pcb) Rear wiper motor (in liftgate) Rear wiper relay (on pcb) Red Rr wpr mtr prk sig Rr wpr mtr sig Rr wsh ctrl S8013 Sf981 Sg931 (right front of engine compt, in front end module harness) Sw rtn Totally integrated power module (left side of engine compt) W17 Wiper high/low relay (on pcb) Wiper on/off relay (on pcb) Wireless ignition node
