Diagram sections — 23 (37 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT COMPUTER DATA LINES COOLING FAN CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER MIRRORS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING A/C Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for A/C Wiring Diagram for Jeep Wrangler Sport 2003: 67 (2.4l) (2.4l: near breakout for engine starter solenoid) (4.0l: at right side transmission, in harness) s132 s137 (4.0l base: near breakout to throttle position sensor) (2.4l: on engine side of power distribution center) (4.0l) (at left side of firewall, near breakout to g100) s102 (at right center of firewall, near breakout to g101) s103 (behind left end of dash) g200 (behind right end of dash) (behind right end of dash) g202 (on left rear of engine block) g105 2.4l 4.0l A/c comp relay ctrl A/c compressor clutch A/c compressor clutch relay (in power distribution center) A/c heater control A/c high pressure switch (on a/c compressor discharge line) A/c low pressure switch (on a/c accumulator) A/c pressure signal A/c pressure transducer (near compressor) A/c select input A/c switch sense A10 Blend door actuator (on heater-a/c housing) Blower motor (on right rear of engine compartment) Blower motor relay (on hvac) (in wire harness connector, near right end of heater-a/c housing) Blower motor resistor block (under right side of dash, on hvac module) C13 C18 C21 C90 Defrost Fuse 10a Fuse 40a Fuse block (under right center of dash) G190 (2.4l: near right headlamp) G191 (2.4l: near right headlamp) G202 Heat High High spd relay input Hot at all Hot at all times Hot in run Hot in run or start Interior lights system K173 Low Max Mix Nca Norm Off Power distribution center (on right side of engine compartment, on inner fender panel) Powertrain control module (in right rear of engine compartment on firewall) Radiator fan motor (2.4: near right radiator fan shroud) Radiator fan motor circuit breaker Radiator fan motor relay S123 (2.4l: near breakout for ignition coil pack) S127 S207 (behind center of dash, near breakout to cigar lighter) S208 (near breakout to blower motor) Sensor ground Tan Times Vacuum/ electric mode switch Vent Heater Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Heater Wiring Diagram for Jeep Wrangler Sport 2003: 27 (behind center of dash, near breakout to cigar lighter) s207 (behind left end of dash) g200 (behind right end of dash) g202 A/c heater control Blend door actuator (on heater-a/c housing) Blower motor (on right rear of engine compartment) Blower motor relay (on hvac) (in wire harness connector, near right end of heater-a/c housing) Blower motor resistor block (under right side of dash, on hvac module) Defrost Fuse 10a Fuse 40a Fuse block (under right center of dash) G202 (behind right end of dash) Heat High Hot at all times Hot in run Interior lights system Low Mix Nca Off Power distribution center (on right side of engine comptartment on inner fender panel) S207 (behind center of dash, near breakout to cigar lighter) S208 (near breakout to blower motor) Tan Vent
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Anti-lock Brakes Wiring Diagram for Jeep Wrangler Sport 2003: 63 (bottom left end of dash) data link connector (forward of breakout behind left seat) s315 (near brake booster, 150mm from g100) s170 A/t A10 A20 Abs system rly ctrl Abs warning ind Anti-lock brake relay (in power distribution center) B10 B41 B42 B43 Brake lamp sw out Brake lamp switch (on bracket, above brake pedal) Controller anti-lock brake (at left rear corner of eng compt) D21 Exterior lights system F20 Fuse 10a Fuse 20a Fuse 30a Fuse 40a Fuse b (+) Fuse block (under right center of dash) Fused ign (run) G sw sensor 1 G sw sensor 2 G sw test signal G switch (in front console/shifter, mounted to bracket on floor pan) G100 (on left center of firewall) G101 (on center of firewall) G83 Ground Hot at all times Hot in run Hot in run & start Instrument cluster L50 Left front wheel speed sensor (left front wheel assembly) Left rear wheel speed sensor (left rear wheel assembly) Lf wheel spd sens + Lf wheel spd sens - Lr wheel spd sens + Lr wheel spd sens - M/t Pnk Power distribution center (on right side of engine compt, on inner fender panel) Powertrain control module (in right rear of eng compt, on firewall) Red Rf wheel spd sens + Rf wheel spd sens - Right front wheel speed sensor (right front wheel assembly) Right rear wheel speed sensor (right rear wheel assembly) Rr wheel spd sens + Rr wheel spd sens - S106 S108 (near breakout to power distribution center) S215 Sci transmit Sci transmit c3 Transmission control module (on left fender shield) Z22
ANTI-THEFT Anti-theft Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Anti-theft Wiring Diagram for Jeep Wrangler Sport 2003: 31 (200 mm from battery temperature sensor breakout, toward g101) (behind left side of dash, near breakout to c202,203 & c204) s209 (left kick panel) g302 (near breakout to steering column) s355 A/t Air bag control module (front of floor pan tunnel) D25 Data link connector (bottom left end of dash) Engine controls system F15 F33 Fuse 10a Fuse 20a Fuse block (under right center of dash) Fused b(+) Ground Hot at all times Hot in run or start Ignition Instrument cluster M/t Multi- function switch Pci bus Pnk/ red Pnk/red Powertrain control module (in right rear of engine compt, on firewall) Radio S171 Sentry key immobilizer module (on steering column, near ignition lock cylinder) Sentry key immobilizer module indicator Transmission control module (on left fender shield)
COMPUTER DATA LINES Computer Data Lines Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Computer Data Lines Wiring Diagram for Jeep Wrangler Sport 2003: 30 (a/t) A/t Air bag control module (front of floor pan tunnel) Controller anti-lock brake (left rear corner of engine compt) D20 D21 D25 D32 Data link connector (bottom left end of dash) Fuse 10a G105 (on left rear of engine block) G201 (behind left end of dash) Hot all times Instrument cluster M/t Pci bus Pnk Power distribution center (on right side of engine compt, on inner fender panel) Powertrain control module (in right rear of engine compt, on firewall) Radio S130 S170 (near brake booster, 150 mm from g100) S171 (200 mm from battery temperature sensor breakout, toward g101) S204 S209 (behind left side of dash, near breakout to c202) S355 (near breakout to steering column) Sci receive Sci transmit Sentry key immobilizer module (on steering column, near ignition lock cylinder) Transmission control module (left fender shield)
COOLING FAN
2.4L 2.4L, Cooling Fan Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for 2.4L, Cooling Fan Wiring Diagram for Jeep Wrangler Sport 2003: 16 (in fuel injector harness) (near right headlamp) g190 (right rear of engine compartment, on firewall) powertrain control module Ect sensor signal Engine coolant temperature sensor Fuse 4 40a G191 (near right headlamp) Hot at all times K173 Power distribution center (on right side of engine compartment) Radiator fan motor Radiator fan motor circuit breaker Radiator fan relay (on power distribution center) Relay ctrl S176 Sensor ground
CRUISE CONTROL Cruise Control Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Cruise Control Wiring Diagram for Jeep Wrangler Sport 2003: 60 (2.4l) (4.0l) (behind center rear of instrument panel) s215 (between engine starter solenoid & c182) (bottom left end of dash) datalink connector (canada) (near breakout for ignition coil pack) (near breakout to underhood light, on center of firewall) (on left side of firewall) s106 +5v Accel resume/ Brake lamp switch (0n bracket, above brake pedal) Brake sw Brake switch sense Brake transmission shift interlock solenoid (left side of steering column) Breakout to c202,c203 &c204) s209 Cancel Clock- spring Coast Cruise control ind D25 Daytime running lamp module (in rear of engine compt, on firewall) Dump Fuse 10a Fuse block (under right center of dash) Fused ignition G100 (on left center of firewall) G300 (left kick panel) Ground Hot in run or start Instrument cluster K29 Left speed control switch Nca On/off Pci bus Powertrain control module (in right rear of engine compt, on firewall) Right speed control switch S123 S127 (near breakout to idle air control motor) S133 S135 S147 S163 (between g101 and right front wheel speed sensor) Sensor gnd Set Signal Speed control servo (left side of engine compt) Speed sw sig Tan/red V32 V35 V36 V37 Vacuum Vacuum sol Vehicle speed sensor (on extension housing of transfer case) Vent Vent sol Vss input
DEFOGGERS Defoggers Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Defoggers Wiring Diagram for Jeep Wrangler Sport 2003: 25 (left kick panel) g302 C80 C81 Cluster Defogger relay ctrl Defogger switch sense Fuse 10a Fuse 40a Fuse block (under right center of dash) G200 (behind left end of dash) Hot at all times Hot in run Illum lamp Ind lamp Instrument Panel lamps feed c2 Power distribution center (on right side of engine compartment, on inner fender panel) Rear window defogger (hard top) Rear window defogger relay Rear window defogger switch (hard top) S108 S206 (behind lower center of dash) S207 S320 S360
ENGINE PERFORMANCE
2.4L 2.4L, Engine Performance Wiring Diagram (2 of 3) for Jeep Wrangler Sport 2003 List of elements for 2.4L, Engine Performance Wiring Diagram (2 of 3) for Jeep Wrangler Sport 2003: 32 (in fuel injector harness) s176 (in fuel injector harness) s177 (near breakout at right rear of engine block) s124 (near breakout for iac motor) (near breakout for iss) s133 (near breakout for underhood lamp, rear of engine compt) s147 Crankshaft position sensor (on transmission bellhousing, at left rear side of engine block) Cruise control system Driver iac 2 Engine coolant temperature sensor (on thermostat housing) Fuel pump module (on fuel tank) Fuse 10a Fuse 20a Fuse block (under right side of dash) G105 (right rear of engine block) Hot in run or start Hot in start Iac 1 driver Iac 3 driver Iac 4 driver Idle air control motor (on side of throttle body assembly) Intake air temperature sensor (on intake manifold plenum, near throttle body) Manifold absolute pressure (map) sensor (on side of throttle body assembly) Nca Oxygen sensor 1/1 (upstream) (on exhaust downpipe) Oxygen sensor 1/2 (downstream) (on rear of catalytic converter) S102 S127 S132 S162 Sensor gnd Sensor signal 2.4L, Engine Performance Wiring Diagram (3 of 3) for Jeep Wrangler Sport 2003 List of elements for 2.4L, Engine Performance Wiring Diagram (3 of 3) for Jeep Wrangler Sport 2003: 85 (left side of steering column) brake transmission shift interlock solenoid (not used) A/c comp rly A/c compressor clutch relay A/c select in A/c sw sense A/c system A10 A142 Anti-lock brake system Asd relay sens Auto sht rly Batt temp sens Battery temperature sensor (on bottom of battery tray) Brake sw sense C13 C202 C21 C90 Ckp signal Cruise control system Cruise sw in Cruise sw sens Cruise vac sol Cruise vnt sol D21 D25 D32 Data link connector (dlc) (partial) (bottom left side of dash) Evap sol drvr Evap/purge solenoid (on left fender side shield) F15 Fuel level sens Fuel pmp rly Fuse 10a Fuse block (under right side of dash) G105 (right rear of engine block) G300 (left kick panel) Generator H02s down cntl H02s up cntl Hot in run or start Ign Instrument cluster K106 K107 K118 K125 K22 K226 K24 K29 K299 K31 K51 K52 K99 Leak detct pmp Leak detect pmp Leak detect sw Leak detection pump (in left side of engine compt, near evap canister) Mil ind Pci bus Pnk Power steering pressure switch (behind power steering pump) Powertrain control module (in right rear of engine compt, on firewall) S113 (near breakout for ground at rear center of engine compt) S132 S209 (near breakout on left kick panel) Sci receive Sci transmit Sensor gnd Starting/ charging system Stoplight switch (top of brake pedal bracket) T10 Tan/red Throttle position sensor (on throttle body assembly) Tor man req Torque man req Tps signal Transmission control module (on left fender shield) V32 V35 V36 V37
4.0L 4.0L, Engine Performance Wiring Diagram (1 of 3) for Jeep Wrangler Sport 2003 List of elements for 4.0L, Engine Performance Wiring Diagram (1 of 3) for Jeep Wrangler Sport 2003: 99 (between fuel injectors 2 & 3) s128 (between g101 and rf wheel sensor) s163 (lev only) (near break- out for pdc) s101 (near breakout for camshaft position sensor) (near breakout for coil pack) s161 (near breakout on top right side of transmission) (w/ drl) 5 v A/t A11 A13 A14 A15 Automatic shutdown relay C10 Cam pos sns Capacitor Crnk pos sns Dnstrm ho2s Ect sens sig Engine starter motor relay F15 Fuel injectors Fuel pump relay Fuse 20a Fuse 30a Fused b(+) G105 (right rear of engine block) G60 Gen field Gnd Ground Headlights system Hot at all times Iat sens sig Idle air 1 Idle air 2 Idle air 3 Idle air 4 Ign coil 1 drv Ign coil 2 drv Ign coil 3 drv Ign power Ignition coil pack Inj 1 driver Inj 2 driver Inj 3 driver Inj 4 driver Inj 5 driver Inj 6 driver K11 K12 K13 K14 K141 K16 K17 K18 K19 K20 K21 K22 K24 K241 K341 K38 K39 K40 K41 K44 K59 K60 M/t Map sens sig Nca Oil press sns Pnp sw sens Power distribution center (on right side of engine compt, on inner fender panel) Powertrain control module (in right rear of engine compt, on firewall) S126 (near break- out for c104, rear of engine compt) S130 S132 S134 S153 Sensor gnd Start sig Starting/ charging system T141 T41 Tan To spark plugs Tps sens sig Transmission range sensor (left center of transmission) Upstrm ho2s Vehicle speed sensor (vss) (on extension housing of transfer case) Vss in Vss sig Z12 4.0L, Engine Performance Wiring Diagram (2 of 3) for Jeep Wrangler Sport 2003 List of elements for 4.0L, Engine Performance Wiring Diagram (2 of 3) for Jeep Wrangler Sport 2003: 49 (a/t) (m/t) (near breakout for c104) (near breakout for c104, rear of engine compt) (near breakout for iac motor) s127 (near breakout for pcm conn c2) s121 (on exhaust downpipe) heated oxygen sensor 1/1 (upstream) (ex lev) (on exhaust manifold) heated oxygen sensor 1/1 (upstream) (lev only) (on exhaust manifold) heated oxygen sensor 2/1 (upstream) (lev only) (on outlet end of mini-catalytic converter) heated oxygen sensor 1/2 (downstream) (lev only) (on outlet end of mini-catalytic converter) heated oxygen sensor 2/2 (downstream) (lev only) (on rear of catalytic converter) heated oxygen sensor 1/2 (downstream) (ex lev) (top right side of transmission) s133 5 v B11 B12 B13 B15 Camshaft position sensor (on right side of engine, near oil filter) Crankshaft position sensor (on transmission bellhousing, at left rear side of engine block) Driver iac 3 Driver iac 4 Engine coolant temperature sensor (on thermostat housing) Engine oil pressure sensor (right side of engine block) Ex lev Fuse 10a Fuse 15a Fuse block (under right side of dash) G105 (right rear of engine block) Gnd Hot in run or start Hot in start Iac 1 driver Iac 2 driver Idle air control motor (on side of throttle body assembly) Intake air temperature sensor (on intake manifold plenum, near throttle body) Lev Manifold absolute pressure sensor (on side of throttle body assembly) Nca Oxygen sensor downstream heater relay (lev only) Power distribution center (on right side of engine compt, on inner fender panel) S124 (near breakout at right rear of engine block) S129 S132 S137 S140 S157 S162 S172 (m/t) (a/t) Signal 4.0L, Engine Performance Wiring Diagram (3 of 3) for Jeep Wrangler Sport 2003 List of elements for 4.0L, Engine Performance Wiring Diagram (3 of 3) for Jeep Wrangler Sport 2003: 88 (200 mm from battery sensor breakout) (left side of steering column) brake transmission shift interlock solenoid (lev only) (near brake booster 150 mm from g100) (near breakout for underhood lamp, rear of engine compt) (not used) A/c comp rly A/c compressor clutch relay A/c select in A/c sw sense A/c system A142 Asd relay out Auto sht rly Batt temp sens Battery temperature sensor (on bottom of battery tray) Brake sw sense C13 C21 C90 Cruise control system Cruise sw in Cruise sw sense Cruise vac sol Cruise vnt sol D21 D25 D32 Data link connector (dlc) (partial) (bottom left side of dash) Evap/purge sol Evap/purge solenoid (on left fender side shield) Ex lev F15 Fuel level sens Fuel pmp rly Fuel pump module (on fuel tank) Fuse 10a Fuse block (under right side of dash) G105 (right rear of engine block) G300 (left kick panel) Generator Ho2s dn rly ctrl Ho2s up ctrl Hot in run or start Instrument cluster K106 K107 K118 K125 K22 K226 K24 K29 K299 K31 K51 K512 K52 K99 Leak detect pmp Leak detect sw Leak detection pump (in left side of engine compt, near evap canister) Lev Mil ind Pci bus Pnk Powertrain control module (in right rear of engine compt, on firewall) S102 S113 (near breakout for ground at rear center of engine compt) S132 S147 S158 (near breakout for psp switch) S170 S171 S209 (near break- out on left kick panel) Sci receive Sci transmit Starting/ charging system Stoplight switch (top of brake pedal bracket) T10 Tan/red Throttle position sensor (on throttle body assembly) Torque man req Transmission control module (on left fender shield) V32 V35 V36 V37
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Back-up Lamps Wiring Diagram for Jeep Wrangler Sport 2003: 15 A/t Back- up lamp Back-up lamp feed Back-up lamp switch (on left side of transmission) Compass/ temperature mirror Fuse 10a Fuse block (under right center of dash) Hot in run Left rear lamp assembly M/t Nca Right rear lamp assembly S108 S311 (near left taillight connector) Transmission range sensor (left center of transmission) Exterior Lamps Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Exterior Lamps Wiring Diagram for Jeep Wrangler Sport 2003: 55 (near left taillight connector) s335 (not used) B(+) Brake lamp switch (top of brake pedal bracket) Brake lamp switch output Center high mounted stop lamp Combination flasher Controller anti-lock brake (left rear corner of engine compt) Fog lamps) Fuse 10a Fuse 20a Fuse block (under right center of dash) G102 (left side of radiator closure panel) G103 (right side of radiator closure panel) G201 (behind left end of dash) G300 (left kick panel) G302 (left kick panel) Gnd Hazard switch Head Hot at all times Hot run or acc Ign Instrument cluster L32 L91 Left front park/ turn signal lamp Left rear lamp assembly Left side marker lamp Left turn ind Multi- function switch Nca Normal Off Park Park lamp feed Pnk/red Power distribution center (right side of engine compt, on inner fender panel) Right front park/ turn signal lamp Right rear lamp assembly Right side marker lamp Right turn ind S118 (near breakout to left headlight) S122 (w/ front fog lamps) S125 (w/ front S142 (near breakout to right park/ turn signal light) S143 (near breakout to left park/ turn signal light) S144 (near breakout to right park/ turn signal light) S302 S309 S310 (left rear quarter panel, near body grommet) S353 (near breakout to sport bar) Tail/ stop/ turn signal lamp Tan Turn signal switch
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003 List of elements for Ground Distribution Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003: 71 (2.4l) (2.4l) a/c compressor clutch (2.4l) power steering pressure switch (4.0l) (4.0l) (2.4l) (4.0l) a/c compressor clutch (4.0l) oxygen sensor 1/2 downstream (at right side transmission, in harness) (between engine starter solenoid & c182) (near breakout for c154) (except base) (except off-road package, 2.4l) transfer case switch (in right side of engine compartment, on inner fender panel) power distribution center (left side of radiator closure panel) g102 (near breakout for (near breakout for engine starter solenoid) (4.0l) (off-road package, 4.0l) (on center of firewall) g101 (on left center of firewall) (on left side of (on right side of engine compartment, on inner fender panel) power distribution center A31 A32 Anti-lock brake relay B20 Base Battery Controller anti-lock brake Data link connector (dlc) Engine starter motor relay (m/t) Except Except base Firewall) Fog lamp relay Fog lamps Front fog lamps Front locker indicator switch Front locker pump Front washer pump Fuel pump module G100 G103 (right side of radiator closure panel) G104 (near rear of generator) G105 (on left rear of engine block) G106 (right rear of engine block) G107 (right rear of engine block) Generator Horn Left fog lamp Left front park/turn signal lamp Left headlamp Other Powertrain control module Rear locker indicator switch Rear locker pump Right fog lamp Right front park/turn signal lamp Right headlamp S106 S117 (near breakout to high note horn) S122 (near grommet for left park/ turn signal lamp) S125 S130 (on engine harness, near near breakout for c103) (on rear of engine, near breakout to c104) S132 (2.4l) S134 S137 S164 (near breakout for rear locker indicator switch inline c116) Sensor) Speed control servo Throttle position Transmission control realy Underhood lamp Ground Distribution Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003 List of elements for Ground Distribution Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003: 51 (behind left end of dash) g200 (behind left end of dash) g201 (behind right end of dash) (behind right end of dash) g203 (between front seats) g301 (left kick panel) g300 (left kick panel) g302 (near right headlamp) g190 (near right headlamp) g191 (near steering column mounting bracket) g303 (prndl) transmission range indicator illumination A/c heater control Air bag control module Blend door actuator Blower motor relay Brake lamp switch Center high mounted stop lamp Cigar lighter/ power outlet Compass/ temperature mirror Connector Data link Driver door ajar switch Front wiper motor Fuse 10a Fuse block (under right side of dash) G110 (near left engine mount) G202 G204 Ignition switch Instrument cluster Multi- function switch Overdrive off switch Passenger door ajar switch Power outlet Radiator fan motor Radiator fan motor relay Radio Rear washer pump Rear window defogger Rear window defogger switch Rear wiper motor Rear wiper/ washer switch S207 (behind center of dash, near breakout to cigar lighter) S302 (near breakout to acm, between s315 & s331) S309 (front of left door opening) S360 (hard top) (near breakout for rear window defogger feed) Seat belt switch Sentry key immobilizer module (skim) Subwoofer Transmission control module W/ hardtop
HEADLIGHTS Headlights Wiring Diagram, with DRL for Jeep Wrangler Sport 2003 List of elements for Headlights Wiring Diagram, with DRL for Jeep Wrangler Sport 2003: 67 (behind left end of dash) g201 (in rear of engine compartment, on firewall) (near breakout to abs pump motor) s156 (near breakout to high note horn) s116 (on left center of firewall) (on left center of firewall) g100 (on left side of radiator closure panel) g102 (on right side of radiator closure panel) g103 A/t B16 B18 B19 B20 Beam Brake warning indicator driver Circuit breaker (in rear of engine compartment, near firewall) Daytime running lamp module Except m/t cruise F12 Fog lamp feed Fog lamp relay (in power distribution center) Fuse 10a Fuse 20a Fuse 40a Fuse block (under right center of dash) Fused (b+) Fused b(+) Fused fog lamp relay output G100 G34 Ground Head High High beam High beam indicator Hot at all times Hot in run or start Ignition Instrument cluster Left fog lamp Left headlamp Low Low beam M/t cruise Multi- function switch Off Park Power distribution center (on right side of engine compartment, on inner fender panel) Powertrain control module (in right rear of engine compartment, on firewall) Right fog lamp Right headlamp S102 S105 (near breakout to daytime running lights module) S106 S117 S122 S125 S135 (2.4l: between engine starter solenoid & c182) (4.0l: near breakout for oxygen sensor 1/2) S152 (near breakout to left headlight) S155 (near breakout to daytime running lights control module) S304 (behind left side of dash, above steering column) Select switch Transmission control relay Vehicle speed sensor (on extension housing of transfer case) Vehicle speed sensor signal Vehicle speed sensor signal c2 Vss signal Headlights Wiring Diagram, without DRL for Jeep Wrangler Sport 2003 List of elements for Headlights Wiring Diagram, without DRL for Jeep Wrangler Sport 2003: 44 (behind left end of dash) g201 (near breakout to daytime running lights module) s105 (near breakout to high note horn) s116 (on left center of firewall) (on left side of radiator closure panel) g102 A/t B16 B18 B19 B20 Beam select switch Brake warning indicator driver Circuit breaker (in rear of engine compartment, near firewall) Except m/t cruise Fog lamp feed Fog lamp relay (in power distribution center) Fuse 20a Fuse 40a Fused b (+) Fused fog lamp relay output G100 G103 (on right side of radiator closure panel) Head High High beam indicator Hot at all times Instrument cluster Left fog lamp Left headlamp Low M/t cruise Multi- function switch Off Park Power distribution center (on right side of engine compartment, on inner fender panel) Right fog lamp Right headlamp S106 S117 S122 S125 S156 (near breakout to abs pump motor) S304 (behind left side of dash, above steering column) Transmission control relay
HORN Horn Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Horn Wiring Diagram for Jeep Wrangler Sport 2003: 14 C11 C13 C14 C15 Clockspring Fuse 18 20a G102 (on left side of radiator closure panel) Horn Horn relay (in pdc) Horn switch Hot at all times Nca Power distribution center (on right side of engine compt, on inner fender panel) S117
INSTRUMENT CLUSTER
INTERIOR LIGHTS Interior Lights Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Interior Lights Wiring Diagram for Jeep Wrangler Sport 2003: 55 (5 bulbs) (behind lower center of dash) s204 (bottom left end of dash) data link connector A/c- heater control Axle lock switch (off-road package) Compass/ temperature mirror Courtesy lamps driver Crtsy lmps feed Driver door ajar switch Drv dr ajar sns Exterior lights system Fuse 10a Fuse 20a Fuse block (under right center of dash) Fused b(+) G100 (on left center of firewall) G200 (behind left end of dash) G201 (behind left end of dash) G300 (left kick panel) Head Head lamp sw output Hot at all times Ignition switch Instrument cluster Interface drivers Key-in ign sw sns Left courtesy lamp Left dome lamp Multi-function switch Of s351) Off Over- drive off switch Panel lmps dimmer sig Panel lmps feed Park Pass dr ajar sns Passenger door ajar switch Pnk/red Power distribution center (on right side of engine compt, on inner fender panel) Radio Rear window defogger switch Rear wiper/ washer switch Red Right courtesy lamp Right dome lamp S173 S206 (behind lower center of dash) S207 S302 S351 (near breakout to sport bar) Tan Transmission range indicator illumination (prndl) Trip reset Underhood lamp W/ hard top
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003 List of elements for Power Distribution Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003: 70 (near breakout for rear window defogger feed) s361 (near breakout to battery temperature sensor) (near breakout to power distribution centre) s108 (right side of engine compt, on inner fender panel) 40a A/c heater A/c heater control A/t A15 Acc Air bag control module Anti- lock brake relay Auto- matic shut down relay Back-up lamp switch Battery Blend door actuator Blower motor relay Brake lamp switch Cigar lighter/ power outlet Circuit breaker Controller anti-lock brake Controller antilock brake Engine starter motor Engine starter motor relay Exterior lights system Front wiper motor Fuse (2.4l) Fuse 10a Fuse 20a Fuse 25a Fuse 30a Fuse 40a Fuse block (under right center of dash) G200 (behind left end of dash) G300 (at left kick panel) Generator Heater Heater control Ignition switch Instrument cluster Lock M/t Multi function switch Multi- function switch Nca Off Pnk/red Power distribution center Power distribution center (right side of engine compt, on inner fender panel) Powertrain control module Radiator fan motor relay (2.4l) Rear window defogger relay Rear wiper motor Rear wiper/ washer switch Red Red/pnk Run S111 S136 (in battery harness, near pdc) S207 S302 Sentry key immobi- lizer module Start Subwoofer To fuse 14 (fuse block) (diagram 2 of 2) To fuse 20 (fuse block) (diagram 2 of 2) To fuse 21 (diagram 2 of 2) To fuse 9 (fuse block) (diagram 2 of 2) Trans- mission range sensor W/ hard top only Power Distribution Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003 List of elements for Power Distribution Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003: 78 (at left side of firewall, near breakout to g100) s102 (behind left end of dash) (behind left sideof dash, near 100-way connector) s320 (behind lower center of dash) s204 (in harness, between g100 & c103) s172 (near breakout to sport bar) (near breakout for oxygen sensor 1/1 upstream) (near g100) (right side of engine compt) power distribution center A/c com- pressor clutch relay A/t A10 A13 Air bag control module Automatic shut down relay Axle lock switch (off-road package) Brake trans- mission shift interlock solenoid C10 C11 C15 Clutch pedal position switch (m/t) Compass/ temperature miirror Compass/ temperature mippor D10 Data link connector Daytime running lamp module Engine starter motor relay Evap/ purge solenoid Fog lamps From fuse 3 (diagram 1 of 2) From ignition switch (run/acc) (diagram 1 of 2) From ignition switch (start) (diagram 1 of 2) From ignition switch (start/run) (diagram 1 of 2) From rear window defogger relay From splice s172 (diagram 2 of 2) Front locker relay (off-road package) Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 20a (a/t) Fuse 40a Fuse 50a Fuse block (under right center of dash) G200 Horn relay Instru- ment cluster Instrument cluster Left courtesy lamp Left dome lamp M/t Multi- function switch Passenger air bag on/off switch Pnk Power distribution center (right side of engine compt) Power outlet Power- train control module Powertrain control module Radio Rear locker relay (off-road package) Rear window defogger (hard top) Rear window defogger relay Rear window defogger switch (hard top) Right courtesy lamp Right dome lamp S162 S173 S207 S331 (behind left side of dash, near 100-way connector) S351 Sentry key immobilizer module To fuse 15 in fuse block To splice s162 (diagram 2 of 2) Trans- mission control module Trans- mission control relay Transmission control module Under- hood lamp W/ front
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Automatic Day/Night Mirror Wiring Diagram for Jeep Wrangler Sport 2003: 17 A/t Backup lamp feed Backup lamp switch (on left side of transmission) Compass/ temperature mirror Exterior lights system Fuse 10 10a Fuse 7 10a Fuse block (under right center of dash) Fused ignition (run-start) G200 (behind left end of dash) Ground Hot in run Hot in run or start M/t S108 S215 Transmission range sensor (left center of transmission)
RADIO Radio Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Radio Wiring Diagram for Jeep Wrangler Sport 2003: 60 (behind center rear of instrument panel) s213 (behind center rear of instrument panel) s214 (behind left side of dash, near breakout to c202) (behind lower center of dash) s206 (if equipped) (in harness, 254mm from tearout to rear washer) (w/ subwoofer) s356 (in harness, 508mm from tearout to rear washer) (w/ subwoofer) s357 (in harness, 762mm from tearout to rear washer) (near breakout for c202) s211 (near breakout to right courtesy lamp) s212 (near fuse block) (w/ subwoofer) D25 F60 Fuse 10a Fuse 15a Fuse 20a Fuse block (under right center of dash) Fused b(+) Fused ign G204 G303 (near steering column mounting bracket) Ground Hot at all times Hot in run or start Instrument cluster L frnt spkr (+) L frnt spkr (-) L rear spkr (+) L rear spkr (-) Left front speaker Left rear speaker Panel lamps driver Panel lamps drv Pci bus Pnk Power distribution center (on right side of engine compt, on inner fender panel) R frnt spkr (+) R frnt spkr (-) R rear spkr (+) R rear spkr (-) Radio Radio 12v output Right front speaker Right rear speaker S209 S210 S358 (w/ subwoofer) S359 Subwoofer X12 X16 X51 X52 X53 X54 X55 X56 X57 X58
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Shift Interlock Wiring Diagram for Jeep Wrangler Sport 2003: 8 Brake lamp switch (on bracket, above brake pedal) Brake lamp switch sense Brake transmission shift interlock solenoid (left side of steering column) Fuse 10a Fuse block (under right center of dash) G300 (left kick panel) Hot in run & start Powertrain control module (in right rear of engine compt, on firewall)
STARTING/CHARGING Charging Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Charging Wiring Diagram for Jeep Wrangler Sport 2003: 54 (near break- out to underhood light, on center of firewall) (near breakout for ignition coil pack) (near breakout to g100, on left center of firewall) s113 (near rear of generator) g104 (run- start) A/t A11 A13 A14 A15 Asd rly ctrl Asd rly out Automatic shut down relay (in pdc) B(+) Battery Battery temper- ature sensor (on bottom of battery tray) Check gauges Check gauges indicator Data link connector (bottom left end of dash) Dk k20 Engine controls system Engine starter motor F15 Fuel pump relay Fuse 10a Fuse 30a Fuse block (under right center of dash) Fused b(+) Fused ignition switch output G106 (on right rear of engine block) G107 (on right rear of engine block) Gen fld dvr Gen fld sre Generator Hot in run or start Ign Instrument cluster K118 K51 M/t Nca Pci bus Pnk Power distribution center (on right side of engine compt, on inner fender panel) Powertrain control module (in right rear of engine compartment, on firewall) Red S101 (near breakout to pdc) S136 (in battery harness, near pdc) S147 S161 S215 Sensor ground Sensor signal Voltmeter Starting Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Starting Wiring Diagram for Jeep Wrangler Sport 2003: 33 (2.4l: between engine starter solenoid & c182) (4.0l: near breakout for c154) (a/t) (m/t) A/t Acc Battery Clutch pedal position switch (top of brake pedal bracket) Engine starter motor Engine starter motor relay (in pdc) Fuse 20a Fuse 30a Fuse block (under right center of dash) G105 (on left rear of engine block) G106 (right rear of engine block) G107 (right rear of engine block) Hold- in Ignition switch Lock M/t Near 100-way connector) Off P/n Power distribution center (right side of engine compt, on inner fender panel) Powertrain control module (in right rear of engine compt, on firewall) Pull- in Red Run S111 S132 S134 S172 (in harness, between g100 & c103) Start Transmission range sensor (at left center of transmission)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Supplemental Restraints Wiring Diagram for Jeep Wrangler Sport 2003: 39 (behind left side of dash, near breakout to c202, c203, & c204) (between front seats) g301 Air bag control module (front of floor pan tunnel) Air bag warning indicator driver Brake transmission shift interlock solenoid (left side of steering column) Clockspring Computer data lines system D25 Data link connector (dlc) (bottom left end of dash) Disable Driver Driver air bag squib 1 F14 F23 Fuse 10a Fuse block (under right center of dash) Ground Hot in run Hot in run or start Ignition Instrument cluster Line 1 Line 2 Nca Passenger air bag on-off switch Passenger air bag squib 1 Pci bus R166 R42 R43 R44 R45 R65 R66 Return S209 S215 (behind center rear of instrument panel) S355 (near break- out to steering column) Sense
TRANSMISSION A/T Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003 List of elements for A/T Wiring Diagram (1 of 2) for Jeep Wrangler Sport 2003: 93 (2.4l: between starter motor and c182) (4.0l: near breakout for c154) (in pdc) starter motor relay (inear breakout to power steering pressure switch) (near left engine mount) 2-4 2-4 press sw 2-4 sol ctrl 2/4 A30 Anti-lock brake relay, rear window defogger relay, controller anti-lock brake, back-up lamp switch (m/t) Back-up lamps Backup switch Ckp sens sig D20 D21 D25 F15 Fuse 10a Fuse 20a Fuse block (under right center of dash) Fused b(+) Fused ign sw G100 (left center of firewall) G110 Gnd Hot at all times Hot in start Input ss sig K22 K24 K30 L/r press sw L/r sol ctrl Low/ rev Nol O/d O/d off Od off sw sens Od press sw Od sol ctrl Output ss sig P3l Pci bus Pnk Power distribution center (on right inner fender panel) Pressure switches Prnl Red S106 S108 S134 S159 S162 S172 Sci receive Sci transmit Sensor gnd Solenoids Ss gnd T10 T13 T14 T141 T16 T19 T20 T411 T42 T47 T50 T52 T54 T56 T59 T60 Torq mgmt req Tp sens sig Trans rly ctrl Trans rly out Trans temp sens Trans temp sensor Transmission control module (on left fender shield) Transmission control relay Transmission range sensor (left center of transmission) Transmission solenoid/ pressure switch assembly (right center of transmission) Trs t1 sense Trs t3 sense Trs t41 sense Trs t42 sense U/d Ud sol ctrl Z112 Z113 A/T Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003 List of elements for A/T Wiring Diagram (2 of 2) for Jeep Wrangler Sport 2003: 65 (2.4l) (2.4l: in fuel injector harn) (4.0l: near breakout to idle air control motor) (2.4l: in fuel injector harn) (4.0l: near breakout to c104) (2.4l: left rear of engine block) (4.0l: rear of intake manifold) crankshaft position sensor (2.4l: near breakout to idle air control motor) (4.0l: near pcm breakout) (2.4l: near breakout to input speed sensor) (4.0l: right side of transmission harn) (4.0l) (behind left end of dash) g200 (in pdc) fuel pump relay (near breakout for ignition coil pack) (near breakout for starter) (near breakout to power steering pressure switch) (on throttle body assembly) throttle position sensor A13 Automatic shut down relay (in pdc) Brake lamp switch (above brake pedal bracket) Brake sw sens Ckp sens sig Computer data lines system Controller anti-lock brake (left rear corner of engine compt) D21 D25 Data link connector (bottom left end of dash) Engine controls system F15 Fuse 10a Fuse block (under right center of dash) Fused ign sw G300 (at left kick panel) Hot at all times Illumination Input speed sensor (near breakout to idle air control motor) Interior lights system K22 K24 K29 Output speed sensor (left rear of transmission) Overdrive "off" indicator Overdrive "off" switch Overdrive off switch Pci bus Pnk Pnp sw sense Powertrain control module (right rear of engine compt, on firewall) S127 S127 s121 S129 S133 S157 S158 S160 (in tcm breakout) S161 S170 (near brake booster) S171 (near breakout for battery temp sensor) S176 S177 S207 S209 (near breakout to c202, c203 &c204) Sci transmit Sensor gnd T10 T141 T41 Torq mgmt req Tp sens sig Front/Rear Differential Lock Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Front/Rear Differential Lock Wiring Diagram for Jeep Wrangler Sport 2003: 58 (behind left end of dash) g200 (behind left side of instrument panel) switch) (near pcm breakout) s121 (right rear of engine compt, on firewall) powertrain control module 4wd control 4wd ind Axle lock switch (near cigar lighter) Computer data lines system D10 D11 D13 D14 D25 Engine controls system F locker request F locker sw sens Front locker Front locker indicator switch (top of front differential) Front locker pump (top of locker pump bracket, near transfer case) Front locker relay Fuse 10a Fuse 20a Fuse block (under right center of dash) Fused b+ G105 (left rear of engine block) G302 G303 G304 G305 Ground Hot at all times Hot in run or start Ignition Indicator control Instrument cluster Interior lights system K77 Locker enable 1 Locker enable 2 Panel lamps Pci bus Power distribution center (on right inner fender panel) R locker request R locker sw sens Rear locker Rear locker indicator switch (top of rear differential) Rear locker pump (top of locker pump bracket, near transfer case) Rear locker relay S164 S204 S207 S215 S216 S217 Sensor ground Tan/ red Transfer case pos Transfer case switch (left side of transfer case)
WARNING SYSTEMS Warning Systems Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Warning Systems Wiring Diagram for Jeep Wrangler Sport 2003: 41 Driver door ajar switch Driver door ajar switch sns Exterior lights system Fuse 10a Fuse 20a Fuse block (under right center of dash) Fuse block (under right side of dash) Fused b(+) Fused ign (st-run) G10 G201 (behind left end of dash) G26 G300 (left kick panel) G302 (left kick panel) G75 G76 Ground Head Headlamp sw out Hot at all times Hot in run or start Ignition switch Instrument cluster Key-in ign switch sense Key-in switch Multi- function switch Off Park Passenger door ajar switch Passenger door ajar switch sns Pnk/red Power distribution center (on right side of engine compt, on inner fender panel) S204 S215 S302 S309 Seat belt switch (in driver's seat belt buckle) Seat belt switch sense Seat belt warning indicator Seat belt warning indicator driver Tan
WIPER/WASHER Front Wiper/Washer Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Front Wiper/Washer Wiring Diagram for Jeep Wrangler Sport 2003: 24 (left kick panel) g300 (on left side of radiator closure panel) g102 Circuit breaker Delay Delay logic & relay control Delay mist Front washer pump (under washer fluid reservoir) Front wiper motor (left center of firewall) Fuse 17 25a Fuse block (under right center of dash) High Hot in run or acc Internal delay relay Low Max Min Multifunction switch Off Park Run S117 S302 Wash Wash switch Rear Wiper/Washer Wiring Diagram for Jeep Wrangler Sport 2003 List of elements for Rear Wiper/Washer Wiring Diagram for Jeep Wrangler Sport 2003: 20 Circuit breaker Fuse 6 20a Fuse block (under right center of dash) G200 (behind left end of dash) G302 (left kick panel) Hot in run Illumination lamp Interior lights system Off Park Rear washer pump (under washer fluid reservoir) Rear wiper motor (inside of liftglass) Rear wiper/ washer switch Run S207 S309 S360 S361 Wash Wipe
