Diagram sections — 26 (73 total)
AIR CONDITIONING ANTI-LOCK BRAKES ANTI-THEFT BODY CONTROL MODULES COMPUTER DATA LINES CRUISE CONTROL DEFOGGERS ENGINE PERFORMANCE EXTERIOR LIGHTS GROUND DISTRIBUTION HEADLIGHTS HORN INSTRUMENT CLUSTER INTERIOR LIGHTS POWER DISTRIBUTION POWER DOOR LOCKS POWER MIRRORS POWER SEATS POWER WINDOWS RADIO SHIFT INTERLOCK STARTING/CHARGING SUPPLEMENTAL RESTRAINTS TRANSMISSION WARNING SYSTEMS WIPER/WASHER
AIR CONDITIONING Air Conditioning Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500 List of elements for Air Conditioning Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500: 63 (behind (behind center of dash) (below left side of dash) (diesel) (not used) (right side of hvac assembly) s224 (right side of hvac assembly) s226 (w/adjustable 87a A/c compressor clutch relay A/c heater control A/c indicator A/c select Acc Blend door driver Blower motor (beneath lower right side of dash, on hvac assembly) Blower motor resistor block (beneath lower right side of dash, on hvac assembly) Center of dash) Common door driver Condenser fan relay Connector Data link Driver blend door actuator (w/dual zone a/c) blend door actuator (w/o dual zone a/c) (behind right side of dash, on hvac assembly) Evaporator temperature sensor (behind right side of dash, inside hvac assembly) Fuse 10a Fuse 30a G202 (behind center of dash) G203 Heated mirror Heated mirror relay Heater mirror indicator High Hot at all times Hot in run Hot in run or start Hvac micro controller Ignition switch Instrument cluster Integrated power module (on left front of engine compartment) Lock Low Mode door actuator 1 (behind right side of dash, on hvac assembly) Mode door actuator 2 (behind right side of dash, on hvac assembly) Off Panel lamps driver Pass blend door driver Passenger blend door actuator (behind right side of dash, on hvac assembly) Pedal) Ptc 1 7.5a Recirc Recirculation door actuator (behind right side of dash, on hvac assembly) Recirculation door driver Recirculation indicator Red Run S140 s225 S191 S230 Sensor ground Sensor signal Start Tan W/dual zone a/c Air Conditioning Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500 List of elements for Air Conditioning Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500: 45 (5.9l/8.0l) (except (right rear of engine compt) 3.7l/ 5.9l/8.0l 3.7l/4.7l 3.7l/5.9l/8.0l 4.7l/5.7l 5.7l/5.9l/8.0l A/c compressor clutch A/c press sig A/c pressure transducer Abs C13 C18 Center of engine) Condenser fan diesel/8.0l) Control D25 Data link connector (below left Diesel Engine control module (diesel) (left side of engine) Except abs G104 (left front of engine compt) G106 (left rear of engine compt) G107 G120 Gas K6 (or k7) Pci bus Powertrain control module (on right side of firewall) Red Relay Relay ctrl S130 (on top front of transmission) S133 (left rear of engine compt) S144 (on top front of transmission) S150 S172 S173 S176 S231 (left of instrument panel) Sensor gnd Side of dash) Signal Y145
ANTI-LOCK BRAKES Anti-lock Brakes Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Anti-lock Brakes Wiring Diagram for Dodge Pickup R2003 2500: 67 (behind right (in rear diffe- (left rear of engine compt) s114 3.7l 3.7l a/t 3.7l/5.9l/8.0l 4.7l/5.7l 4wabs 5.7l 5.7l a/t 5.7l m/t A10 A20 All times B113 B114 B22 Brake lamp switch (above brake pedal, on support bracket) Brake sw sense Brake switch sense Controller anti-lock brake (on left rear of engine compartment) D25 Data link connector (below left bottom of dash) Except Except 5.7l Fuse 10a Fuse 40a Fuse b (+) G106 (left rear of eng compt) G201 Ground Hot at Hot in Ignition sw (run) Integrated power module (left front of engine compartment) K29 Left front wheel speed sensor (w/ all wheel abs) (on left front steering hub assembly) Lf wheel spd sensor (+) Lf wheel spd sensor (-) Pci bus Powertrain control module (right side of firewall) R wheel spd sensor (+) R wheel spd sensor (-) Rear wheel Red Red brake warn ind Red brake warning indicator switch (on brake master cylinder reservoir) Red/ Rential housing) Rf wheel spd sensor (+) Rf wheel spd sensor (-) Right front wheel speed sensor (w/ all wheel abs) (on right front steering hub assembly) Run Rwabs S117 S121 (left front fender) S152 S230 (right side of dash) S231 (left side of dash) Side of dash) Speed sensor (abs) Transmission control module (right rear of eng compt) Vehicle speed sensor signal Vehicle speed sig Vss sig Z101 Z102
ANTI-THEFT Anti-theft Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Anti-theft Wiring Diagram for Dodge Pickup R2003 2500: 50 87a A14 D cyl lck sw D dr ajar D25 Data link connector (below left side of dash) Drive door lock motor/ajar switch Driver cylinder lock switch Front control module Fuse 20a Fuse 50a Fused b(+) Fused ign sw G201 (behind right side of dash) G301 (on left front of body) Ground Headlights system Horn relay Horn rly Horns system Hot at all times Hot in run or start Instrument cluster Integrated power module (on left front of engine compt) L hi beam L rr dr ajar Left rear door lock motor/ajar switch (quad cab) P cyl lck sw P dr ajar Park lamp relay Passenger cylinder lock switch Passenger door lock motor/ajar switch Pci bus Prk lmp rly Ptc 7.5a R hi beam R rr dr ajar Red Right rear door lock motor/ajar switch (quad cab) S110 S136 S213 S230 S231 S311 Sentry key immobilizer module (on top of steering column) Tan Tan/red Y135 Z110
BODY CONTROL MODULES Body Control Modules Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Body Control Modules Wiring Diagram for Dodge Pickup R2003 2500: 55 (left rear of engine compt) (3.7l, 5.9l, 8.0l) s119 8.0l/diesel Adj pedal relay ctrl Ambient temp sens signal Ambient temperature sensor (3.7l,5.9l,8.0l) (on left underside of hood) B(+) Backup lamp feed Computer data lines system Except 8.0l/diesel Exterior lights system Exterior lights system mirrors system, transmissions system Fog lamp relay ctrl Front control module Fuse 10a Fuse 30a Fused b(+) Fused ign (run-st) G103 (left front of engine compartment) G106 (left rear of engine compartment) G29 G31 Ground Headlights system Horn relay ctrl Horns system Hot at all times Hot in run & start Integrated power module (on left front of fender) Left high beam out Left low beam out Left stop lamp driver Left turn relay ctrl Lf turn lamp driver Low washer fluid sense Lr turn lamp driver Park lamp relay ctrl Pci bus Ptc 7.5a Rf turn lamp driver Right high beam out Right low beam out Right stop lamp driver Right turn relay ctrl Rr turn lamp driver Seats system Sensor ground Washer fluid level switch (on washer fluid reservoir) Washer pump motor ctrl Wiper high/low relay ctrl Wiper on/off relay ctrl Wiper park sw sense Wiper/washer system Y137 Z12 Z21
COMPUTER DATA LINES
3.7L 3.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 3.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500: 36 (3.7l/5.7l) (behind right side of instrument panel) (behind right side of instrument panel) s231 (on right rear of engine compt) 3.7l, 5.9l, 8.0l 4.7l, 5.7l A/c-heater control Air bag control module (beneath lower center of dash) Audio amplifier (premium) (behind upper right side of dash) Compass/ mini-trip computer (except base) Controller anti-lock brake (on left rear of engine compt) D15 D20 D21 D25 Data link connector (dlc) (below left side of dash) Front control module Fuse 20a G201 (behind right side of dash) Hot at all times Instrument cluster Integrated power module (on left front of engine compt) Left side impact air bag control module (base of left "b" pillar, behind trim) Pci bus Pnk Powertrain control module (on right side of firewall) Radio Right side impact air bag control module (base of right "b" pillar, behind trim) S204 S230 S305 (center of body) Sci receive Sci transmit Sentry key immobilizer module (on top of steering column) Transfer case control module (electric 4x4) (behind left end of dash) Transmission control module
4.7L 4.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 4.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500: 36 (3.7l/5.7l) (behind right side of instrument panel) (behind right side of instrument panel) s231 (on right rear of engine compt) 3.7l, 5.9l, 8.0l 4.7l, 5.7l A/c-heater control Air bag control module (beneath lower center of dash) Audio amplifier (premium) (behind upper right side of dash) Compass/ mini-trip computer (except base) Controller anti-lock brake (on left rear of engine compt) D15 D20 D21 D25 Data link connector (dlc) (below left side of dash) Front control module Fuse 20a G201 (behind right side of dash) Hot at all times Instrument cluster Integrated power module (on left front of engine compt) Left side impact air bag control module (base of left "b" pillar, behind trim) Pci bus Pnk Powertrain control module (on right side of firewall) Radio Right side impact air bag control module (base of right "b" pillar, behind trim) S204 S230 S305 (center of body) Sci receive Sci transmit Sentry key immobilizer module (on top of steering column) Transfer case control module (electric 4x4) (behind left end of dash) Transmission control module
5.7L 5.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.7L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500: 36 (3.7l/5.7l) (behind right side of instrument panel) (behind right side of instrument panel) s231 (on right rear of engine compt) 3.7l, 5.9l, 8.0l 4.7l, 5.7l A/c-heater control Air bag control module (beneath lower center of dash) Audio amplifier (premium) (behind upper right side of dash) Compass/ mini-trip computer (except base) Controller anti-lock brake (on left rear of engine compt) D15 D20 D21 D25 Data link connector (dlc) (below left side of dash) Front control module Fuse 20a G201 (behind right side of dash) Hot at all times Instrument cluster Integrated power module (on left front of engine compt) Left side impact air bag control module (base of left "b" pillar, behind trim) Pci bus Pnk Powertrain control module (on right side of firewall) Radio Right side impact air bag control module (base of right "b" pillar, behind trim) S204 S230 S305 (center of body) Sci receive Sci transmit Sentry key immobilizer module (on top of steering column) Transfer case control module (electric 4x4) (behind left end of dash) Transmission control module
5.9L 5.9L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.9L, Computer Data Lines Wiring Diagram for Dodge Pickup R2003 2500: 36 (3.7l/5.7l) (behind right side of instrument panel) (behind right side of instrument panel) s231 (on right rear of engine compt) 3.7l, 5.9l, 8.0l 4.7l, 5.7l A/c-heater control Air bag control module (beneath lower center of dash) Audio amplifier (premium) (behind upper right side of dash) Compass/ mini-trip computer (except base) Controller anti-lock brake (on left rear of engine compt) D15 D20 D21 D25 Data link connector (dlc) (below left side of dash) Front control module Fuse 20a G201 (behind right side of dash) Hot at all times Instrument cluster Integrated power module (on left front of engine compt) Left side impact air bag control module (base of left "b" pillar, behind trim) Pci bus Pnk Powertrain control module (on right side of firewall) Radio Right side impact air bag control module (base of right "b" pillar, behind trim) S204 S230 S305 (center of body) Sci receive Sci transmit Sentry key immobilizer module (on top of steering column) Transfer case control module (electric 4x4) (behind left end of dash) Transmission control module
CRUISE CONTROL
3.7L 3.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 3.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500: 40 (left rear of engine compt) 4.7l Accel Brake lamp switch (above brake pedal, on support bracket) Brake sw Brake switch sense Clockspring Controller antilock brake (on left rear of engine compt) D25 Data link connector (below left side of dash) Decel Dump Except 4.7l G104 (left front of engine compt) G201 (behind right side of dash) Instrument cluster K29 Off Pci bus Powertrain control module (on right side of firewall) Resume S103 S121 (left front fender) c1 S206 (steering column) S230 (right instrument panel) S231 (left instrument panel) Sensor gnd Speed control servo (on left front of engine compt) Speed control switch-left Speed control switch-right Speed sw sig Tan/red V32 V35 V36 V37 Vacuum Vacuum sol Vent Vent sol
4.7L 4.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 4.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500: 40 (left rear of engine compt) 4.7l Accel Brake lamp switch (above brake pedal, on support bracket) Brake sw Brake switch sense Clockspring Controller antilock brake (on left rear of engine compt) D25 Data link connector (below left side of dash) Decel Dump Except 4.7l G104 (left front of engine compt) G201 (behind right side of dash) Instrument cluster K29 Off Pci bus Powertrain control module (on right side of firewall) Resume S103 S121 (left front fender) c1 S206 (steering column) S230 (right instrument panel) S231 (left instrument panel) Sensor gnd Speed control servo (on left front of engine compt) Speed control switch-left Speed control switch-right Speed sw sig Tan/red V32 V35 V36 V37 Vacuum Vacuum sol Vent Vent sol
5.7L 5.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.7L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500: 43 (below left side of dash) data link connector (left instrument panel) (left rear of engine compt) (steering column) (top center of engine) Accel Brake lamp switch (above brake pedal, on support bracket) Brake sw Brake switch sense Clockspring Controller antilock brake (on left rear of engine compt) D25 Decel Electronic throttle control module F855 F888 G201 (behind right side of dash) Instrument cluster K101 K22 K29 Motor + Motor - Mux sens input c3 Off Pci bus Powertrain control module (on right side of firewall) Res- ume S103 S121 (left front fender) c1 S150 S207 S228 S230 (right instrument panel) S231 Sensor gnd Speed control switch-left Speed control switch-right Speed sw sig Tp sens rtn Tps signal V37 V38
5.9L 5.9L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.9L, Cruise Control Wiring Diagram for Dodge Pickup R2003 2500: 40 (left rear of engine compt) 4.7l Accel Brake lamp switch (above brake pedal, on support bracket) Brake sw Brake switch sense Clockspring Controller antilock brake (on left rear of engine compt) D25 Data link connector (below left side of dash) Decel Dump Except 4.7l G104 (left front of engine compt) G201 (behind right side of dash) Instrument cluster K29 Off Pci bus Powertrain control module (on right side of firewall) Resume S103 S121 (left front fender) c1 S206 (steering column) S230 (right instrument panel) S231 (left instrument panel) Sensor gnd Speed control servo (on left front of engine compt) Speed control switch-left Speed control switch-right Speed sw sig Tan/red V32 V35 V36 V37 Vacuum Vacuum sol Vent Vent sol
DEFOGGERS Heated Mirrors Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Heated Mirrors Wiring Diagram for Dodge Pickup R2003 2500: 18 87a A/c- heater control Fuse 10a Fuse 15a G202 (behind center of dash) G302 (on left front of body) Heated mirror indicator Heated mirror relay Heated mirror switch Hot at all times Hot in run Hvac micro controller Integrated power module (on left front of engine compt) Off Power mirror- left Power mirror- right S315 S319
ENGINE PERFORMANCE
3.7L 3.7L, Engine Performance Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500 List of elements for 3.7L, Engine Performance Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500: 47 (below power steering reservoir) power steering pressure switch (inside trans) transmission solenoid/trs assembly (on left rear of engine compt, above pcm) capacitor (on left side of throttle body) idle air control motor A41 Acc Ckp sens Controller anti-lock brake (on left rear of engine compt) Crankshaft position sensor (on lower right rear of engine block) D15 D25 Driv 1 Driv 2 Driv 3 Driv 4 Fuse 20a G107 (right rear of engine compt) Generator Hot at all times Hot in run or start Ign sw Ignition switch Integrated power module (on left front of engine compt) K22 K24 Lock Off Pci bus Ptc 7.5a Rear of engine compt) Run S110 S122 S126 (w/a/t) S136 S152 S178 Sci receiv Sci trans Sens gnd Start System data lines computer T10 Torque mn Tp sens Transmission control module (w/a/t) (on right rear of engine compt) Vss 3.7L, Engine Performance Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500 List of elements for 3.7L, Engine Performance Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500: 14 (not used) (top front of trans) s144 Auto shut- down relay Fuel pump relay Fuse 15a Fuse 20a Fuse 30a Hot at all times Integrated power module (on left front of engine compt) Nca Oxygen sensor 1/1 (upstream) (on exhaust pipe, near catalytic converter inlet) Oxygen sensor 1/2 (downstream) (on exhaust pipe, downstream of catalytic converter) S137 (left rear of engine compt) S138 (left rear of engine) 3.7L, Engine Performance Wiring Diagram (4 of 4) for Dodge Pickup R2003 2500 List of elements for 3.7L, Engine Performance Wiring Diagram (4 of 4) for Dodge Pickup R2003 2500: 77 (above brake pedal, on support bracket) brake lamp switch (beneath intake manifold) knock sensor (inside fuel tank) fuel pump module (on left rear of engine compt) controller anti-lock brake (w/m/t) A/c compres A/c system A142 Asd rly ctl Asd rly in Bat tmp sens Battery temperature sensor (beneath battery tray) Brk lmp sw Brk sw C13 Clockspring Cruise control system D20 D21 D25 Data link connector (below left side of dash) Evap purge Evap/purge solenoid (on left front of engine compt) Fuel lvl sns Fuel pmp rly Fuse 10a G104 (abs) g103 (exc abs) (left front of engine compt) G201 (right side of dash) Gen Gen source Gnd Ho2s 1/1 Ho2s 1/2 Hot in run or start Integrated power module (on left front of engine compt) K106 K107 K118 K125 K199 K29 K299 K31 K51 K52 K73 K74 Knck sens 1 Knck sens 2 Leak detection pump (beneath left side of vehicle, forward of fuel tank) Leak pmp sol Leak pmp sw Pci bus Pnk Powertrain control module (on right side of firewall) S103 (left rear of engine compt) S111 (center rear of engine compt) S131 (left rear of engine compt) S231 (left side of dash) S308 Sci receive Sci transmit Sig 1 Sig 2 Sol cntl Spd ctl pow Spd ctl sw Spd ctl vac Spd ctl vnt Sw sens T10 Tan/red Torq manage V32 V35 V36 V37
4.7L 4.7L, Engine Performance Wiring Diagram (2 of 5) for Dodge Pickup R2003 2500 List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 5) for Dodge Pickup R2003 2500: 23 (left rear of engine) (left side of eng compt) (not used) (right rear of engine) s141 (top front of trans) Auto shutdown relay Capacitor (right rear of engine compt) Coil on plug Fuel injector Fuel pump relay Fuse 15a Fuse 30a Hot at all times Hot in run or start Integrated power module (on left front of engine compt) Ptc 7.5a S137 (right rear of engine compt) S143 S148 S149 Tan Tan/pnk Tan/red 4.7L, Engine Performance Wiring Diagram (3 of 5) for Dodge Pickup R2003 2500 List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 5) for Dodge Pickup R2003 2500: 24 (right rear of engine compt) s132 (top center of engine) (top front of trans) (top left of engine) Calif Camshaft position sensor (lower front of right cyl head) Crankshaft position sensor (lower right rear of eng block) Exc calif G107 (right rear of engine compt) Intake air temperature sensor (on intake manifold, near throttle body) Manifold absolute pressure sensor (on front of intake) manifold) Nca Oxygen sensor 1/1 (upstream) (california) (on left catalytic converter inlet) Oxygen sensor 1/1 (upstream) (ex california) (near catalytic converter inlet) Oxygen sensor 1/2 (downstream) (california) (left exhaust downpipe, down- stream of converter) Oxygen sensor 1/2 (downstream) (ex california) (on exhaust pipe, downstream of converter) Oxygen sensor 2/1 (upstream) (california) (on right catalytic converter inlet) Oxygen sensor 2/2 (downstream) (california) (right exhaust downpipe, down- stream of converter) S130 S150 S154 S168 S169 Throttle position sensor (on left side of throttle body) 4.7L, Engine Performance Wiring Diagram (4 of 5) for Dodge Pickup R2003 2500 List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 5) for Dodge Pickup R2003 2500: 88 (a/t) (left rear of engine compt) (m/t) (right side of dash) (top front of trans) 1/2 htr ctrl A142 Ac comp cltch Air conditioning system Asd relay out Auto sht rly Batt temp sens Battery temperature sensor (under battery tray) Brake lamp switch (above brake pedal) Brake sw sens C13 Ckp sens sig Clockspring Clutch interlock brake switch (above clutch pedal) Cmp sig Controller anti-lock brake (on left rear of eng compt) Cooling fans system Cruise control system Cruise sw sig Cruise vnt sol Evap/purge solenoid (left front of engine compt) Fan rly ctrl Fuel level sens Fuel pump module (inside fuel tank) Fuel pump rly G103 (exc abs) g104 (abs) (left front of eng compt) G104 (abs) g103 (exc abs) (left front of engine compt) G107 right rear of eng compt) G113 G201 Ho2s 1/2 rtn Ho2s 2/1 sig Ho2s sens 1/1 Iac mtr drvr Iac mtr sens Iat sig Idle air control motor (left side of throttle body) K106 K107 K108 K118 K199 K21 K24 K241 K31 K39 K399 K44 K51 K52 K60 K902 K99 Ldp sw sens Leak detection pump (rear of transmission) Nvldp sol cntl Pnp sw sens Power steering pressure switch (below power steering reservoir) Powertrain control module (on right side of firewall) Prs sw sig Pto sw sens Pto switch Pwm 2/2 htr S103 S121 (left front fender) S144 S28 S308 Sense Sol ctrl Starting/ charging system Strtr mtr rly T24 T752 Tan/red V32 V35 V36 V37 V40 Vac sol ctrl Y145 4.7L, Engine Performance Wiring Diagram (5 of 5) for Dodge Pickup R2003 2500 List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 5) for Dodge Pickup R2003 2500: 88 (a/t) 2c press 2c press sw 2c sol 2c sol ctrl 4c press 4c press sw 4c sol 4c sol ctrl 5 volt Back-up lamps circuit, mirrors system Fuse 15a Fuse 40a G107 (right rear of eng compt) G107 (right rear of engine compt) G201 (right side of dash) Grd Ground Hot at all times Hot in run Inpt spd sens Input speed sensor (on left front of transmission) Integrated power module (on left of engine compt) K30 L/r press L/r press sw Line pressure sensor (on right rear of transmission) Line prs sens Lp vfs Lr sol ctrl Lr-lu sol Ms sol Ms sol ctrl Od press Od press sw Od sol Od sol ctrl Od sw sens Outpt spd sns Output speed sensor (on left rear of transmission) Overdrive switch Pnk Powertrain control module (on right side of firewall) Press sig Prs ctrl sol Red S125 (center rear of engine compt) S134 (left rear of engine compt) Spd sens gnd T118 T119 T120 T13 T14 T140 T147 T159 T16 T29 T38 T42 T48 T50 T52 T54 T59 T60 Temp sens Trans rly out Trans rly out c4 Transmission control relay Transmission solenoid/trs assembly (inside transmission) Trns rly ctrl Trns tmp sens Trs t1 Trs t1 sense Trs t2 Trs t2 sense Trs t3 Trs t3 sense Trs t41 Trs t42 Trs t42 sens Ud press Ud press sw Ud sol ctrl Udc sol Z13
5.7L 5.7L, Engine Performance Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500 List of elements for 5.7L, Engine Performance Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500: 21 (left side of engine) (not used) (top left of eng) Auto shutdown relay Coil on plug Fuel injector Fuel pump relay Fuse 15a Fuse 30a Hot at all times Hot in run or start Integrated power module (on left front of engine compt) Ptc 7.5a S142 S155 (left rear of engine compt) S160 S162 S163 Tan Tan/pnk Tan/red 5.7L, Engine Performance Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500 List of elements for 5.7L, Engine Performance Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500: 14 (right rear of engine compt) s132 (top front of transmission) (top left of engine) Camshaft position sensor (lower front of right cyl head) Crankshaft position sensor (lower right side of eng block) G107 (right rear of engine compt) Intake air temperature sensor (on intake manifold, near throttle body) Manifold absolute pressure sensor (on front of intake) manifold) Nca Oxygen sensor 1/1 (upstream) (near left front side of transmission) Oxygen sensor 1/2 (downstream) (near left rear side of transmission) S130 S150 S154
5.9L 5.9L, Engine Performance Wiring Diagram (2 of 3) for Dodge Pickup R2003 2500 List of elements for 5.9L, Engine Performance Wiring Diagram (2 of 3) for Dodge Pickup R2003 2500: 36 (left rear of eng compt) (left rear of engine) (on right lower side of cylinder block, above oil pan rail) (on throttle body) idle air control motor (right rear of eng compt) (top center of engine) (top front of trans) Battery temper- ature sensor (below battery tray) Camshaft position sensor (right front side of engine) Clockspring Crankshaft position sensor Drvr 1 Drvr 2 Drvr 3 Drvr 4 Engine coolant temperature sensor (on thermostat housing) Engine oil pressure switch (lower left side of eng) Evap/ purge solenoid (left front of engine compt) Fuel pump module (inside fuel tank) Fuse 10a G104 (abs) g103 (exc abs) (left front of engine compt) Hot in run or start Integrated power module (left front of engine compt) Manifold absolute pressure sensor (on right upper side of intake manifold) Nca Oxygen sensor 1/1 (upstream) (near catalytic converter inlet) Oxygen sensor 1/2 (downstream) (downstream' of catalytic converter) Pnk Ptc 7.5a Pto switch S103 S130 S132 S138 S150 S308 5.9L, Engine Performance Wiring Diagram (3 of 3) for Dodge Pickup R2003 2500 List of elements for 5.9L, Engine Performance Wiring Diagram (3 of 3) for Dodge Pickup R2003 2500: 82 (left rear of engine) (left side of dash) (top front of trans) 3-4 sol ctrl 5 volt A/c pressure transducer (on left side of a/c compressor) A/c rly ctrl A142 Air conditioning system Asd relay sens Auto sht rly Batt temp sens Brake sw in C13 Cruise control system Cruise feed Cruise sw in Cruise vac sol Cruise vnt sol D20 D21 D25 Data link connector (left side of dash) Evap sol ctrl Fuel lvl sens sig Fuel pmp rly Fuse 40a G201 (right side of dash) Gen field out Generator Gov press sig Ho2s 1/1 htr ctrl Ho2s 2/1 htr ctrl Hot at all times Intake air temperature sensor (in left front side of intake manifold) Integrated power module (left front of engine compt) K106 K107 K118 K125 K199 K299 K31 K51 K52 K54 K88 Leak detec pmp Leak detection pump (on right front of inner fender) Overdrive switch Pci bus Pnk Powertrain control module (right side of firewall) Press sig Press sol ctrl Red S111 (center rear of engine compt) S133 S144 S231 Sci receive Sci transmit Sens grd Sensor grd Stop lamp switch (on brake pedal bracket) T16 T25 T54 T60 Tan/red Tcc sol ctrl Throttle position sensor (on throttle body) Trans overdrive Trans rly out Trans temp sns Transmission relay Transmission solenoid assembly (inside transmission) V32 V35 V36 V37 V40
EXTERIOR LIGHTS Back-up Lamps Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Back-up Lamps Wiring Diagram for Dodge Pickup R2003 2500: 24 (abs) (except abs) (left front of engine compt) A/t w/ 3.7l/4.7l/5.7l A/t w/ 5.9l/8.0l Add on trailer tow connector Automatic day/night mirror (except base) Back- up lamp Back-up lamp switch (on left side of transmission) Backup lamp feed Front control module Fuse 15a G103 G104 Hot in run Integrated power module (left front of engine compt) Left tail/stop/ turn signal lamp M/t Right tail/stop/ turn signal lamp S120 (left front fender) S308 S325 (left rear chasis) Transmission range sensor (on left side of transmission) Transmission solenoid/trs assembly (inside transmission)
GROUND DISTRIBUTION Ground Distribution Wiring Diagram (1 of 3) for Dodge Pickup R2003 2500 List of elements for Ground Distribution Wiring Diagram (1 of 3) for Dodge Pickup R2003 2500: 62 (diesel) intake air heater relay no.1 (diesel) intake air heater relay no.2 (diesel) vacuum pump (dual rear wheels) left front fender lamp (dual rear wheels) left rear fender lamp (dual rear wheels) right front fender lamp (dual rear wheels) right rear fender lamp (dual rear wheels) tail gate lamp assembly (except abs) (except base) (except diesel/8.0l) front washer pump motor 2 of 3) Abs Add on trailer tow connector Auxiliary battery (diesel) Battery Clutch interlock brake switch Condenser fan Electric brake provision Except abs From front wiper motor (diagram 1 of 3) From s308 (diagram 1 of 3) Front wiper motor Fuel pump module G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G103 (left front of engine compt) G104 (left front of engine compt) G105 (right front of chassis) G108 G109 High note horn Integrated power module Left fog lamp Left front park/ turn signal lamp Left head lamp Left headlamp Left license lamp Left tail/ stop/ turn signal lamp Low note horn Nca Other Red brake warning indicator switch Right fog lamp Right front park/ turn signal lamp Right headlamp Right license lamp Right tail/ stop/ turn signal lamp S101 (left front fender) S105 (front fascia) S308 (left rear of chassis) S309 (center rear of chassis) S340 S341 Speed control servo To g103 (diagram 1 of 3) To g104 (diagram 1 of 3) To g106 (diagram To g106 (diagram 2 of 3) (abs) Trailer tow connector Underhood lamp Ground Distribution Wiring Diagram (2 of 3) for Dodge Pickup R2003 2500 List of elements for Ground Distribution Wiring Diagram (2 of 3) for Dodge Pickup R2003 2500: 56 (3.7l/4.7l/ 5.7l) power steering pressure switch (3.7l/5.7l) (w/a/t) transmission control module (4.7l california) (5.9l california & 8.0l) (diesel/8.0l) front washer pump motor (except base) automatic day/ night mirror (except base) compass/ mini- trip computer (top of transmission) s183 (w/ electric 4x4) transfer case selector switch (w/ premium sound) audio amplifier (w/a/t) 3.7l/5.9l/8.0l 4.7l/5.7l 5.9l 8.0l A/c compressor clutch A/c- heater control Abs Brake lamp switch Brake transmission shift interlock solenoid Center high mounted stoplamp/ cargo lamp Clockspring Condensor fan Controller anti-lock brake Data link connector Diesel Driver's heated seat switch Electric brake provision From front wiper motor (diagram 1 of 3) From s309 (diagram 1 of 3) G106 (left rear of engine compt) G107 (right rear of engine compt) G201 (right side of dash) G202 (center of dash) Gas Generator Headlamp switch High note horn Ignition switch Instrument cluster Integrated power module Integrated power module (a/t) Leak detection pump Low note horn Overdrive switch Oxygen sensor 1/1 upstream Oxygen sensor 1/2 downstream Oxygen sensor 2/1 upstream Oxygen sensor 2/2 downstream Passenger's heated seat switch Powertrain control module Radio Red S208 (center of dash) S307 (center of headliner) Sentry key immobilizer module Ground Distribution Wiring Diagram (3 of 3) for Dodge Pickup R2003 2500 List of elements for Ground Distribution Wiring Diagram (3 of 3) for Dodge Pickup R2003 2500: 64 (diesel) (premium) driver's cylinder lock switch (premium) passenger's cylinder lock switch (quad cab) left rear door ajar switch (quad cab) left rear door lock motor/ ajar switch (quad cab) right rear door ajar switch (quad cab) right rear door lock motor/ ajar switch (w/ electric 4x4) transfer case control module A/c compressor clutch A/c- heater control Adjustable pedal switch Airbag control module Base model Cigar lighter outlet Clearance lamp 1 Clearance lamp 2 Clearance lamp 3 Clearance lamp 4 Clearance lamp 5 Console power outlet Data link connector engine c Driver door module Driver's door ajar switch Driver's door lock motor/ ajar switch Driver's heated seat cushion Driver's power seat switch Driver's seat belt switch Engine control module Except base Except base model Except heavy duty Front door) Fuel heater G114 (diesel) G117 G120 G203 (center of dash) G204 (right side of dash) G301 (left front of body) G302 (left front of body) Generator Heavy duty Left power mirror Left side impact airbag control module Lift pump motor Passenger's door ajar switch Passenger's door lock motor/ ajar switch Passenger's door lock switch Passenger's heated seat cushion Passenger's power seat switch Power outlet Powertrain control module Right power mirror Right side impact airbag control module S164 S176 (left side engine near breakout for fuel control actuator) S306 (left side of frame) S310 (center of body) S311 (left front of body) S315 (left front of body) S317 (at passenger seat) S319 (left front door) S337 Seat heater interface module
HEADLIGHTS Headlights Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Headlights Wiring Diagram for Dodge Pickup R2003 2500: 83 (behind center of dash) g203 (behind right side of dash) (front fascia) s104 (left front fender) s107 (left front of engine compt) (left rear of engine compartment) (right instrument panel) 87a Abs Beam select sw rtn Beam select sw sig Clearance lamp 1 Clearance lamp 2 Clearance lamp 3 Clearance lamp 4 Clearance lamp 5 D25 Data link connector (below left side of dash) Except abs Fog Fog lamp indicator Fog lamp left Fog lamp relay Fog lamp relay control Fog lamp right Front control module Fuse 10a Fuse 15a Fuse 30a Fuse 50a Fused b (+) G103 (left front of engine compartment) G103 (left front of engine compt) G104 G104 (left front of engine compt) G105 (on right front of chassis) G106 (left rear of engine compt) G201 Gnd Hdlp sw illum ctrl Hdlp sw rtn Hdlp sw sig Head Headlamp left Headlamp right Headlamp switch High beam High beam/ optical horn/ wash switch Hot at all times Instrument cluster Integrated power module (left front of engine compartment) Left high beam output Left low beam output Multi- function switch Off Optical horn Panel lamp Park Park lamp relay Park lamp relay control Pci bus Ptc 7.5a Right high beam output Right low beam output S101 S105 (front fascia) S106 S230 S231 (left instrument panel) S336 S337 Wash Y108 Y109 Y126 Y163 Y167 Y168 Y169 Y170 Y171 Z12 Z21
HORN Horn Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Horn Wiring Diagram for Dodge Pickup R2003 2500: 20 87a Clockspring D25 Front control module Fuse 45 20a G106 (left rear of engine compt) Horn high note (at left front fender) Horn low note (at left front fender) Horn relay Horn relay control Horn switch Horn switch sense Hot at all times Instrument cluster Integrated power module (on left front fender) Nca Pci bus S109 (left front fender) S230 (behind right side of instrument panel) S231 (behind left side of instrument panel)
INSTRUMENT CLUSTER Overhead Console Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Overhead Console Wiring Diagram for Dodge Pickup R2003 2500: 31 Ambient temp sensor (left underside of hood) Ambient temp sig Ambient temp signal Compass/ mini-trip computer D25 Data link connector (below left side of dash) Except ngc Front control module Fuse 10a Fuse 15a Fused b(+) Fused ign G202 (behind center of dash) G31 Ground Hot at all times Hot in run or start Integrated power modlule (left front of engine compt) Ngc Pci bus Powertrain control module (on right side of firewall) S103 (left rear of engine compt) S119 (left rear of engine compt) S230 (right instrument panel) S231 (left instru- ment panel) S301 S304 S307 Sens gnd Sensor ground Y137
INTERIOR LIGHTS Courtesy Lamps Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Courtesy Lamps Wiring Diagram for Dodge Pickup R2003 2500: 43 (except abs) (abs) (or tan) Cargo lp drv Center high mounted stop lamp/ cargo lamp Ctsy lp drv Ctsy lp gnd Dome lamp Door ajar switch- driver (base) Door ajar switch- left rear (base) Door ajar switch- passenger (base) Door ajar switch- right rear (base) Door lock motor/ ajar switch- driver (except base) Door lock motor/ ajar switch- left rear (except base) Door lock motor/ ajar switch- passenger (except base) Door lock motor/ ajar switch- right rear (except base) Drv dr ajar Fuse 15a Fuse 20a Fused b(+) G103 g104 (left front of engine compt) G301 (on left front of body) Glove box lamp and switch Hdlp sw rtn Headlamp switch 4) cargo 5) dome 6) funeral 7) dim 5 8) dim 4 9) dim 3 10) dim 2 11) dim 1 12) off Hot at all times Instrument cluster Integrated power module (on left front of engine compt) L rr dr ajar Overhead map/reading lamp (except base) P dr ajar Pnk Pnl lps dim sig R rr dr ajar Red S145 S202 S213 S302 (above center of headliner) S311 S312 (except base) Tan Tan/red Underhood lamp Instrument Illumination Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Instrument Illumination Wiring Diagram for Dodge Pickup R2003 2500: 21 (behind center of dash) s209 (behind right side of dash) g201 A/c- heater control Fuse 20a Fused b(+) Hdlp sw rtn Headlamp switch 4) cargo 5) dome 6) funeral 7) dim 5 8) dim 4 9) dim 3 10) dim 2 11) dim 1 12) off Heated seat switch- driver Heated seat switch- passenger Hl sw ill ctrl Hot at all times Instrument cluster Integrated power module (on left front of engine compt) Panel lamp Panel lps drvr Pnl lps dim sig Pnl lps feed Radio Red S213 Transfer case selector switch
POWER DISTRIBUTION Power Distribution Wiring Diagram (1 of 4) for Dodge Pickup R2003 2500 List of elements for Power Distribution Wiring Diagram (1 of 4) for Dodge Pickup R2003 2500: 60 (at passenger's seat) s318 (left rear of engine compt) s114 (not used) (quad cab) (standard cab) Abs Acc Auto shutdown relay Battery Battery auxiliary Controller anti-lock brake Diesel Electric brake provision From c fuse 6 (diagram 1 of 4) From fuse 20 l (diagram 2 of 4) From fuse 3 a (diagram 1 of 4) From fuse 4 b (diagram 1 of 4) Front control module Fuse 30a Fuse 40a Fuse 50a G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G201 (behind right side of dash) Gas Generator Ignition switch Instrument cluster Integrated power module (on left front of engine compt) Key-in switch Lock Off Park lamp relay Passenger lumbar switch Power seat passenger switch Power seat switch driver Red Red/ Run Rwal S316 (at driver's seat) Start Starter motor relay To blower motor (diagram 4 of 4) To fuse 16 (diagram 2 of 4) To fuse 28 (diagram 3 of 4) To fuse 52 (diagram 4 of 4) To fuse 7 (diagram 1 of 4) To ignition switch (diagram 1 of 4) To power window circuit breaker (diagram 4 of 4) To ptc 2 (diagram 4 of 4) To s210 (diagram 4 of 4) To starter motor relay (diagram 2 of 4) Trailer tow connector- add on Trailer tow except diesel/8.0l Transmission control module (3.7l & 4.7l w/a/t) Transmission control relay Wiper high/ low relay Wiper on/ off relay Power Distribution Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500 List of elements for Power Distribution Wiring Diagram (2 of 4) for Dodge Pickup R2003 2500: 74 (3.7l, 5.9l, 8.0l) (4.7l, 5.7l) (center rear of engine compt) s126 (center of dash) s213 (diagram 1 of 4) (left side of frame) (not used) 3.7l 3.7l/4.7l/5.7l w/a/t 4.7l/5.7l 5.7l a/t 87a A/c compressor clutch relay A/t Adjustable pedal relay Amplifier audio Base Brake lamp switch Center high mounted stoplamp/ cargo lamp Cigar lighter- outlet Compass/ mini-trip computer (except basae) Condenser fan relay Diesel Diesel/ 8.0l Dome lamp Driver door module (except base) Except 5.7l a/t Except 5.9l w/a/t Except security Fog lamp relay From d fuse 15 (diagram 1 of 4) From fuse 29 o (diagram 4 of 4) From ignition switch f From m fuse 22 (diagram 2 of 4) Fuel heater relay Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 25a Fuse 30a Fuse 40a G203 (center of dash) G302 (on left front of body) Gas Gas except 8.0l Glove box lamp & switch Heated mirror relay Instrument cluster Integrated power module (on left front of engine compt) M/t Manual seats Overhead map/ reading lamp (except base) Power outlet Power outlet- console Power seats Powertrain control module Premium Red Red/tan S110 (left front fender) S191 S201 (left side of dash) S301 (center of headliner) S306 Security Sentry key immobilizer module Starter motor relay Tan Tan/red To fuse 24 (diagram 2 of 4) To fuse 43 (diagram 3 of 4) To ignition switch (diagram 1 of 4) Transmission control module Power Distribution Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500 List of elements for Power Distribution Wiring Diagram (3 of 4) for Dodge Pickup R2003 2500: 60 (3.7l, 5.9l, 8.0l) (4.7l, 5.7l) (at driver seat) s328 (left front fender) 4.7l 5.7l A/c compressor clutch relay Air bag control module Automatic day/night mirror Base Brake lamp switch Compass/ mini-trip computer Data link connector Diesel Engine control module Evap/ purge solenoid (jtec) Except base Except diesel Except security Except side impact airbags From ignition switch (diagram 1 of 4) From n fuse 41 (diagram 2 of 4) Front control module Fuel pump relay Fuse 10a Fuse 15a Fuse 20a Fuse 25a Gas Horn relay Instrument cluster Integrated power module Integrated power module (on left front of engine compt) Left side impact air bag control module Not used Passenger's air bag on/off switch Passenger's door lock switch Pnk Powertrain control module Ptc 7.5a Radio Red Right side impact air bag control module S136 S145 (left front fender) S186 S204 (left side of dash) S205 (left side of dash) S222 (center of dash) S304 (center of headliner) S335 (left front body) Seat heater interface module (if equipped) Security Sentry key immobilizer module Side impact airbags Trailer tow left turn relay Trailer tow right turn relay Transfer case control module (w/ electric transfer case) Underhood lamp Vacuum pump Power Distribution Wiring Diagram (4 of 4) for Dodge Pickup R2003 2500 List of elements for Power Distribution Wiring Diagram (4 of 4) for Dodge Pickup R2003 2500: 47 (not used) 3.7l/4.7l/ 5.7l 3.7l/5.7l 4.7l 5.9l 5.9l/8.0l/ diesel A/c- heater control A/t Adjustable pedal Adjustable pedal switch Air bag control module Back-up lamp switch Blower motor Circuit breaker 25a Controller anti-lock brake Diesel Driver door module (if equipped) Except 5.9l Except adjustable pedal From ignition switch (diagram 1 of 4) Fuse (spare) Fuse 10a Fuse 15a Fuse 20a Gas Heated mirror relay Instrument cluster Integrated power module (on left front of engine compt) M/t Not used Power window circuit breaker (below left side of dash, near steering column, taped to harness) Powertrain control module Ptc 4.5a Radio (w/ premium sound) Red S140 S210 (center of dash) S212 (left side of dash) S225 (behind center of dash) Seat belt tensioner reducer (w/ standard cab) Spare relay Tan To cigar lighter outlet (diagram 2 of 4) Transmission control module Transmission range sensor Transmission solenoid/ trs assembly Vistronic fan drive
POWER DOOR LOCKS Power Door Locks Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Power Door Locks Wiring Diagram for Dodge Pickup R2003 2500: 64 (behind center of dash) g202 (behind right side of dash) g201 (left front body) s323 (quad cab only) (quad cab) (standard cab only) Cyl lock sw Driver cylinder lock switch (premium) Driver door lock motor/ ajar switch Driver door module (inside top of left door) F35 Fuse 10a Fuse 15a Fuse 20a Fused b(+) G202 (behind center of dash) G301 (left front of body) G302 (left front of body) G72 G73 Ground Hot at all times Hot in run or start Instrument cluster Integrated power module (on left front of engine compt) L door lock Left rear door lock motor/ ajar switch Lf dr lock sw Lf dr unlock Lock Lr dr unlock P55 P96 P97 Passenger cylinder lock switch (premium) Passenger door lock motor/ ajar switch Passenger door lock switch Quad cab R door lock R door unlock Red Rf dr lock sw Rf dr unlock Right rear door lock motor/ ajar switch S205 S213 S311 S312 S313 S315 S319 S321 (left front body) S322 (left front body) Tan Tan/pnk Unlock Y156 Y157 Y200 Y201 Z105 Z106 Z202 Z203
POWER MIRRORS Automatic Day/Night Mirror Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Automatic Day/Night Mirror Wiring Diagram for Dodge Pickup R2003 2500: 19 (behind center of dash) g202 (run-start) 3.7l/4.7l/5.7l 5.9l/8.0l A/t Automatic day/night mirror (except base) Backup lamp feed Backup lamp switch (on left side of transmission) Fuse 28 10a Fused ignition Ground Hot in run or start Integrated power module (on left front of engine compt) M/t S120 (left front fender) S304 S307 Transmission range sensor (on left side of transmission) Transmission solenoid/trs assembly (inside transmission) Power Mirrors Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Power Mirrors Wiring Diagram for Dodge Pickup R2003 2500: 21 2 left mirror 3 right mirror 4 right mirror 5 motor forward 6 motor reverse Defogger system Dk p74 Dk p75 Driver door module (inside top of left door) 1 left mirror Fuse 17 15a G302 (on left front of body) Heated element Horizontal Hot at all times Integrated power module (on left front of engine compt) Left power mirror Right power mirror S201 S315 S319 S332 (in left front door) Vertical
POWER SEATS Adjustable Pedal Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Adjustable Pedal Wiring Diagram for Dodge Pickup R2003 2500: 14 87a Adjustable pedal motor (behind left side of dash) Adjustable pedal relay Adjustable pedal switch Down Front control module Fuse 10a Fuse 15a G203 (behind center of dash) Hot at all times Hot in run Integrated power module (on left front fender) Relay control S225 Heated Seats Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Heated Seats Wiring Diagram for Dodge Pickup R2003 2500: 53 (behind center of dash) s209 (driver's seat) s329 Driver heated seat cushion Driver heated seat switch Driver st htr mux sw Driver st temp 5v sply Driver st temp sens in Drv st hi heat led drv Drv st lo heat led drv F235 Fuse 20a Fused b(+) G201 (behind right side of dash) G302 (on left front of body) Ground Heater mux sw High heat led Hot at all times Ht st sw sply Instrument cluster Integrated power module (on left front fender) Low heat led P131 P133 P134 P137 P138 P139 P140 P141 P142 P143 P144 P86 Panel lamps feed Panel lmp feed Pass st hi heat led drv Pass st htr mux sw Pass st lo heat led drv Pass st temp 5v sply Pass st temp sens in Passenger heated seat cushion Passenger heated seat switch Red S216 (behind center of dash) S314 S328 Seat heater interface module (under driver's seat) Seat htr driver Temp sens input Temp sns input Y161 Z121 Power Seats Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Power Seats Wiring Diagram for Dodge Pickup R2003 2500: 30 Driver front vertical power seat motor Driver horizontal power seat motor Driver lumbar motor Driver rear vertical power seat motor F dn F up Forward Fuse 50a Fwd G302 (on left front of body) Hot at all times Integrated power module (on left front of engine compt) Nca Passenger front vertical power seat motor Passenger horizontal power seat motor Passenger lumbar motor Passenger lumbar switch Passenger power seat switch Passenger rear vertical power seat motor Power seat switch driver Quad cab R dn R up Rearward Rwd S306 S316 S317 S318 Standard cab
POWER WINDOWS Power Windows Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Power Windows Wiring Diagram for Dodge Pickup R2003 2500: 26 2 door 4 door Circuit breaker 25a Driver door module (inside top of left door) Driver power window motor G302 (on left front of body) Hot in run or acc Left front Left rear Left rear power window motor Left rear power window switch (4 door) Lock out Passenger Passenger power window motor Power window circuit breaker (below left side of dash, near steering column, taped to harness) Power window switch Q18 Q26 Right front Right rear Right rear power window motor Right rear power window switch (4 door) S315 S333 (left front body) Tan Z67
RADIO Radio Wiring Diagram, Base Radio for Dodge Pickup R2003 2500 List of elements for Radio Wiring Diagram, Base Radio for Dodge Pickup R2003 2500: 44 Antenna D25 Data link connector (below left side of dash) Fuse 20a Fused b(+) Fused ign G202 (behind center of dash) Ground Hot at all times Hot in run or acc Integrated power module (on left front of engine compt) Interior lights system Left front door speaker Left rear speaker Lf dr spkr (+) Lf dr spkr (-) Lr spkr (+) Lr spkr (-) Nca Panel lmps drv Pci bus Pnk Ptc 4.5a Radio Rf dr spkr (+) Rf dr spkr (-) Right front door speaker Right rear speaker Rr spkr (+) Rr spkr (-) S204 S208 S212 S230 X80 X82 X85 X87 X91 X92 X93 X94 Y105 Y166 Radio Wiring Diagram, Premium Radio for Dodge Pickup R2003 2500 List of elements for Radio Wiring Diagram, Premium Radio for Dodge Pickup R2003 2500: 76 (behind center of dash) s220 (behind left side of dash) Amplifier audio (behind upper right side of dash) Antenna Center instrument panel speaker Clockspring D25 Data link connector (below left side of dash) Fuse 20a Fused b(+) Fused ign G201 (behind right side of dash) G202 (behind center of dash) Ground Hot at all times Hot in run or acc Ign switch Instrument cluster Integrated power module (on left front of engine compt) Interior lights system L i/p spkr (+) L i/p spkr (-) Left front door speaker Left instrument panel speaker Left rear speaker Lf dr spkr (+) Lf dr spkr (-) Lf spkr (+) Lf spkr (-) Lr spkr (+) Lr spkr (-) Nca Panel lmps drv Pci bus Pnk Preset Ptc 4.5a R i/p spkr (+) R i/p spkr (-) Radio Radio 12v Radio ctrl mux Remote radio switch left Remote radio switch right Rf dr spkr (+) Rf dr spkr (-) Rf spkr (+) Rf spkr (-) Right front door speaker Right instrument panel speaker Right rear speaker Rr spkr (+) Rr spkr (-) S204 S208 S212 S217 S218 (behind left side of dash) S219 (behind center of dash) S221 S230 Seek dn Seek up Vol dn Vol up X51 X52 X53 X54 X55 X56 X57 X58 X60 Y105 Y166
SHIFT INTERLOCK Shift Interlock Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Shift Interlock Wiring Diagram for Dodge Pickup R2003 2500: 25 4.7l/5.7l 3.7l/5.9l/8.0l Anti-lock brakes system Brake lamp switch (above brake pedal, on support bracket) Brake switch sense Brake transmission shift interlock solenoid (beneath lower left side of dash, near steering column) C1 c3 C3 c3 Computer data lines system F35 red Fuse 22 20a Fused b(+) G201 (behind right side of dash) G202 (behind center of dash) Hot at all times Instrument cluster Integrated power module (on left front of engine compartment) Nca Pci bus Powertrain control module (on right side of firewall) Red S121 (left front fender) S213 S230 (right instrument panel) S231 (left instrument panel) Shift interlock solenoid ctrl
STARTING/CHARGING
3.7L 3.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 3.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500: 30 (left front (left front of chassis) (or (right rear of engine compt) 3.7l,5.9l,8.0l 3.7l/4.7l/5.7l 4.7l,5.7l 5.9l/8.0l A14 B(+) Battery Fuse 20a Fused b(+) G100 G101 G102 G107 Gen field Gen source Generator Integrated power module (on left front fender) Leak detection pump (left middle of chassis) Of engine) Powertrain control module (on right side of firewall) Red Red/ S110 S111 (center rear of engine compt) Starter motor Transmission control relay 3.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 3.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500: 40 (center rear of eng compt) s124 (electric 4x4) (behind left end of dash) (left front of engine compt) (not used) (on left front of engine compt) integrated power module (w/o abs) (w/ abs) 3.7l 4.7l/5.7l 5.9l/8.0l 8.0l 87a A/t Acc Battery Clutch interlock brake switch (m/t) (above clutch pedal, on support bracket) Except 8.0l Fuse 25a Fuse 30a G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G103 g104 Hold-in Ignition switch Lock M/t Off P/n sw sns (t41) Powertrain control module (on right side of firewall) Pull-in Red Relay ctrl Run S122 Start Starter motor Starter motor relay Transfer case control module Transmission range sensor (on left side of transmission) Transmission solenoid/ trs assembly (inside transmission)
4.7L 4.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 4.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500: 30 (left front (left front of chassis) (or (right rear of engine compt) 3.7l,5.9l,8.0l 3.7l/4.7l/5.7l 4.7l,5.7l 5.9l/8.0l A14 B(+) Battery Fuse 20a Fused b(+) G100 G101 G102 G107 Gen field Gen source Generator Integrated power module (on left front fender) Leak detection pump (left middle of chassis) Of engine) Powertrain control module (on right side of firewall) Red Red/ S110 S111 (center rear of engine compt) Starter motor Transmission control relay 4.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 4.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500: 40 (center rear of eng compt) s124 (electric 4x4) (behind left end of dash) (left front of engine compt) (not used) (on left front of engine compt) integrated power module (w/o abs) (w/ abs) 3.7l 4.7l/5.7l 5.9l/8.0l 8.0l 87a A/t Acc Battery Clutch interlock brake switch (m/t) (above clutch pedal, on support bracket) Except 8.0l Fuse 25a Fuse 30a G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G103 g104 Hold-in Ignition switch Lock M/t Off P/n sw sns (t41) Powertrain control module (on right side of firewall) Pull-in Red Relay ctrl Run S122 Start Starter motor Starter motor relay Transfer case control module Transmission range sensor (on left side of transmission) Transmission solenoid/ trs assembly (inside transmission)
5.7L 5.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.7L, Charging Wiring Diagram for Dodge Pickup R2003 2500: 30 (left front (left front of chassis) (or (right rear of engine compt) 3.7l,5.9l,8.0l 3.7l/4.7l/5.7l 4.7l,5.7l 5.9l/8.0l A14 B(+) Battery Fuse 20a Fused b(+) G100 G101 G102 G107 Gen field Gen source Generator Integrated power module (on left front fender) Leak detection pump (left middle of chassis) Of engine) Powertrain control module (on right side of firewall) Red Red/ S110 S111 (center rear of engine compt) Starter motor Transmission control relay 5.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.7L, Starting Wiring Diagram for Dodge Pickup R2003 2500: 40 (center rear of eng compt) s124 (electric 4x4) (behind left end of dash) (left front of engine compt) (not used) (on left front of engine compt) integrated power module (w/o abs) (w/ abs) 3.7l 4.7l/5.7l 5.9l/8.0l 8.0l 87a A/t Acc Battery Clutch interlock brake switch (m/t) (above clutch pedal, on support bracket) Except 8.0l Fuse 25a Fuse 30a G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G103 g104 Hold-in Ignition switch Lock M/t Off P/n sw sns (t41) Powertrain control module (on right side of firewall) Pull-in Red Relay ctrl Run S122 Start Starter motor Starter motor relay Transfer case control module Transmission range sensor (on left side of transmission) Transmission solenoid/ trs assembly (inside transmission)
5.9L 5.9L, Charging Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.9L, Charging Wiring Diagram for Dodge Pickup R2003 2500: 30 (left front (left front of chassis) (or (right rear of engine compt) 3.7l,5.9l,8.0l 3.7l/4.7l/5.7l 4.7l,5.7l 5.9l/8.0l A14 B(+) Battery Fuse 20a Fused b(+) G100 G101 G102 G107 Gen field Gen source Generator Integrated power module (on left front fender) Leak detection pump (left middle of chassis) Of engine) Powertrain control module (on right side of firewall) Red Red/ S110 S111 (center rear of engine compt) Starter motor Transmission control relay 5.9L, Starting Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.9L, Starting Wiring Diagram for Dodge Pickup R2003 2500: 40 (center rear of eng compt) s124 (electric 4x4) (behind left end of dash) (left front of engine compt) (not used) (on left front of engine compt) integrated power module (w/o abs) (w/ abs) 3.7l 4.7l/5.7l 5.9l/8.0l 8.0l 87a A/t Acc Battery Clutch interlock brake switch (m/t) (above clutch pedal, on support bracket) Except 8.0l Fuse 25a Fuse 30a G100 (left front of engine) G101 (left front of engine) G102 (left front of chassis) G103 g104 Hold-in Ignition switch Lock M/t Off P/n sw sns (t41) Powertrain control module (on right side of firewall) Pull-in Red Relay ctrl Run S122 Start Starter motor Starter motor relay Transfer case control module Transmission range sensor (on left side of transmission) Transmission solenoid/ trs assembly (inside transmission)
SUPPLEMENTAL RESTRAINTS Supplemental Restraints Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Supplemental Restraints Wiring Diagram for Dodge Pickup R2003 2500: 56 (at left front body) s335 (behind right side of dash) g204 Ab rtn Ab sns Air bag control module (beneath lower center of dash) Clockspring Computer data lines system D25 Data link connector (dlc) (partial) (below left side of dash) Driver air bag F14 F23 Fuse 20a Fused b(+) G204 (behind right side of dash) Ground Hot in run Ign run/start Ignition Ind drv Integrated power module (on left front of engine compt) Left curtain air bag Left seat belt pretensioner (at base of left "b" pillar, behind trim) Left side impact air bag control module (at base of left "b" pillar, behind trim) Line Line 1 Line 2 Line1 Nca Passenger air bag Passenger air bag on/off switch Pci bus R42 R43 R44 R45 R53 R54 R55 R56 R74 R75 R76 R77 Right curtain air bag Right seat belt pretensioner (at base of right "b" pillar, behind trim) Right side impact air bag control module (at base of right "b" pillar, behind trim) S146 (left front fender) S222 (behind center of dash) S230 S231 S305 (at center of body) S310 (at center of body) Y195 Z11 Z29
TRANSMISSION Transfer Case Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Transfer Case Wiring Diagram for Dodge Pickup R2003 2500: 65 (above clutch pedal) clutch interlock brake switch 2wd high 2wd/awd ind 2wd/awd lamp 4wd high 4wd high ind 4wd high lamp 4wd low 4wd low ind 4wd low lamp A34 D25 Data link connector (below left side of dash) Fuse 10a Fuse 25a Fused (b+) G203 (center of dash) Ground Hot at all times Hot in run or start Hot in start Integrated power module (on left front of engine compt) Interior lights system Lock Low Mode select Mode sensor a Mode sensor b Mode sensor c Mode sensor d Mode sensor gnd N 4wd Neutral ind Neutral lamp Panel lamp Pci bus Pnp sens (t41) Red S123 (left front fender) S205 S231 (left side of dash) Shift motor ctrl a Shift motor ctrl b Starter motor relay T24 Transfer case control module (behind left end of dash) Transfer case mode sensor (on top left of transfer case) Transfer case selector switch Transfer case shift motor (on lower left side of transfer case) Y113 Y114 Y115 Y116 Y117 Y118 Y120 Y121 Y122 Y123 Y124 Y125 Y187 Z114 Z21 Z366
3.7L 3.7L, A/T Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500 List of elements for 3.7L, A/T Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500: 88 2c press sw 2c sol ctrl 4c press sw 4c sol ctrl A41 A51 A61 Acc Back-up lamps circuit, mirrors system Ckp sens sig D15 D25 Fuse 15a Fuse 40a Fused (b+) G107 (right rear of engine compt) Gnd Hot at all times Hot in run Ign sw in Ignition switch Input spd sens Integrated power module (on left front of engine compt) K22 K24 K30 L/r press sw Line press sens Lock Lr/cc sol ctrl Ms sol ctrl Od off sw Od press sw Od sol ctrl Off Output spd sens Pci bus Pnk Press ctrl sol Red Run S125 (center rear of engine compt) S126 S210 Sci receive Sci transmit Sensor gnd Speed sens gnd Start T10 T118 T119 T120 T13 T14 T140 T147 T159 T16 T29 T38 T39 T41 T42 T48 T50 T52 T54 T59 T60 Torq mgmt req Tp sens sig Trans rly ctrl Trans rly out Trans temp sens Transmission control module (on right rear of engine compt) Transmission control relay Transmission solenoid/trs assembly (inside transmission) Trs t1 sense Trs t2 sense Trs t3 sense Trs t41 sens Trs t42 sens Ud press sw Ud sol ctrl Vss sig Z113 Z13 3.7L, A/T Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500 List of elements for 3.7L, A/T Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500: 30 (on left side of throttle body) throttle position sensor (on lower right rear of engine block) crankshaft position sensor Ckp sens sig Controller anti-lock brake (left rear of engine compt) c1 Data link connector (below left side of dash) G107 (right rear of engine compt) G201 (right side of dash) Input speed sensor (on left front of transmission) K22 K24 Line pressure sensor (on right rear of transmission) Output speed sensor (on left rear of transmission) Overdrive switch P/n sw sens Powertrain control module (on right side of firewall) S124 (center rear of engine compt) S130 (top front of trans) S132 (left rear of engine compt) S134 (left rear of engine compt) S150 (top center of dash) S152 S178 S179 S231 (left side of dash) Sensor gnd T10 T24 Torq sense Tp sens sig Vss sig
4.7L 4.7L, A/T Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 4.7L, A/T Wiring Diagram for Dodge Pickup R2003 2500: 84 2c press 2c press sw 2c sol 2c sol ctrl 4c press 4c press sw 4c sol 4c sol ctrl Back-up lamps circuit, mirrors system Fuse 15a Fuse 40a G107 (right rear of eng compt) G107 (right rear of engine compt) G201 (right side of dash) Ground Hot at all times Hot in run Inpt spd sens Input speed sensor (on left front of transmission) Integrated power module (on left of engine compt) K30 L/r press L/r press sw Lp vfs Lr sol ctrl Lr-lu sol Ms sol Ms sol ctrl Od press Od press sw Od sol Od sol ctrl Od sw sens Outpt spd sns Output speed sensor (on left rear of transmission) Overdrive switch Pnk Pnp sw sens c3 Powertrain control module (on right side of firewall) Prs ctrl sol Red S125 (center rear of engine compt) S134 (left rear of engine compt) Sens grd c2 Spd sens gnd T118 T119 T120 T13 T14 T140 T147 T159 T16 T24 T29 T42 T48 T50 T52 T54 T59 T60 Temp sens Trans rly out Trans rly out c4 Transmission control relay Transmission solenoid/trs assembly (inside transmission) Trns rly ctrl Trns tmp sens Trs t1 Trs t1 sense Trs t2 Trs t2 sense Trs t3 Trs t3 sense Trs t41 Trs t42 Trs t42 sens Ud press Ud press sw Ud sol ctrl Udc sol Z13
5.7L 5.7L, A/T Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500 List of elements for 5.7L, A/T Wiring Diagram (1 of 2) for Dodge Pickup R2003 2500: 92 2c press sw 2c sol ctrl 4c press sw 4c sol ctrl A41 A51 A61 Acc Apps 1 out B22 Back-up lamps circuit, mirrors system D15 D25 Fuse 15a Fuse 40a Fused (b+) G107 (right rear of engine compt) Gnd Hot at all times Hot in run Ign sw in Ignition switch Input spd sens Integrated power module (on left front of engine compt) K30 L/r press sw Line press sens Lock Lr/cc sol ctrl Ms sol ctrl Od off sw Od press sw Od sol ctrl Off Output spd sens Pci bus Pnk Press ctrl sol Red Rpm sig Run S125 (center rear of engine compt) S126 S210 Sci receive Sci transmit Sensor gnd Speed sens gnd Start T10 T118 T119 T120 T13 T14 T140 T147 T159 T16 T29 T38 T39 T41 T42 T48 T50 T52 T54 T59 T60 Torq mgmt req Tp1 1 out Trans rly ctrl Trans rly out Trans temp sens Transmission control module (on right rear of engine compt) Transmission control relay Transmission solenoid/trs assembly (inside transmission) Trs t1 sense Trs t2 sense Trs t3 sense Trs t41 sens Trs t42 sens Ud press sw Ud sol ctrl Vss sig Y207 Y208 Y209 Y210 Z113 Z13 5.7L, A/T Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500 List of elements for 5.7L, A/T Wiring Diagram (2 of 2) for Dodge Pickup R2003 2500: 26 Apps 1 out B22 Controller anti-lock brake (left rear of engine compt) c1 Data link connector (below left side of dash) G107 (right rear of engine compt) G201 (right side of dash) Grd Input speed sensor (on left front of transmission) Line pressure sensor (on right rear of transmission) Output speed sensor (on left rear of transmission) Overdrive switch P/n sw sens Powertrain control module (on right side of firewall) Rpm sig S117 S134 (left rear of engine compt) S231 (left side of dash) T10 T24 Torq sense Tps 1 out Vss sig Y207 Y208 Y209 Y210
5.9L 5.9L, A/T Wiring Diagram for Dodge Pickup R2003 2500 List of elements for 5.9L, A/T Wiring Diagram for Dodge Pickup R2003 2500: 46 (left rear of engine) 3-4 sol ctrl 5 volt 5 volt sply A/c pressure transducer (on left side of a/c compressor) Cluster mux Exterior lights, mirrors systems Fuse 40a Gen source Generator Hot at all times Instrument cluster Integrated power module (left front of engine compt) K125 K30 K54 K88 Leak detection pump (forward of fuel tank) Output speed sensor (left rear of transmission) Pnk Powertrain control module (right side of firewall) Press sens sig Press sol ctrl Red Rly ctrl S111 (center rear of eng compt) S124 (center rear of eng compt) S133 S144 (on top front of transmission) Sens grd Spd sens grd Spd sens sig Startng/charging system Sw sens T13 T14 T24 T25 T54 T60 Tcc sol ctrl Trans temp sig Transmission range sensor (left side of transmission) Transmission relay Transmission solenoid assembly (inside transmission) Y128
WARNING SYSTEMS Warning Systems Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Warning Systems Wiring Diagram for Dodge Pickup R2003 2500: 62 (0) off (1) park (2) head (base) (center of body) s320 (except base) Ajar switch- driver Door ajar switch- driver Door ajar switch- left rear Door ajar switch- passenger Door ajar switch- right rear Door lock motor/ Door lock motor/ ajar switch- left rear Door lock motor/ ajar switch- passenger Door lock motor/ ajar switch- right rear Driver dr ajar sw sns F35 Fuse 15a Fuse 20a Fused b(+) Fused ign G10 G201 (behind right side of dash) G202 (behind center G202 (behind center of dash) G26 G301 (on left front of body) G74 G75 G76 G77 Ground Hdlp sw ret Hdlp sw sig Headlamp switch Hot at all times Hot in run or acc Ignition switch Instrument cluster Integrated power module (on left front of engine compt) Key-in sw Key-in switch Left rear dr ajar sw sns Of dash) Passenger dr ajar sw sns Ptc 4.5a Red Right rear dr ajar sw sns S212 S213 S311 S312 S313 Seat belt switch-driver (integral with driver's seat belt buckle) Seat blt sw Tan Tan (or tan/red) Tan/red Y105 Y126 Y167 Z106 Z202 Z203
WIPER/WASHER Wiper/Washer Wiring Diagram for Dodge Pickup R2003 2500 List of elements for Wiper/Washer Wiring Diagram for Dodge Pickup R2003 2500: 45 (left front of engine compartment) g104 (left instrument panel) s231 (left rear of engine compartment) g106 (not used) (right front of chassis) g105 (right instrument panel) 0. off 1. intermittent 1 2. intermittent 2 3. intermittent 3 4. intermittent 4 5. intermittent 5 6. low 7. high 8.0l/ diesel 8.0l/diesel 87a Ambient temperature sensor (on left underside of hood) D25 Data link connector (below left side of dash) Except 8.0l/ diesel Front control module Fuse 8 30a G106 (left rear of engine compartment) G29 Hot at all times Instrument cluster Integrated power module (on left front of engine compartment) Intermittent wiper switch sense Low washer fluid sense Multi-function switch Pci bus S101 S119 (left rear of engine compartment) S230 Sensor ground V10 Wash Wash/beam select switch feed Washer fluid level switch (on washer fluid reservoir) Washer pump motor (on washer fluid reservoir) Washer pump motor ctrl Wiper high/ low relay Wiper high/low relay control Wiper motor (on left rear of engine compartment) Wiper on/off relay Wiper on/off relay control Wiper park switch sense Wiper/turn/beam select sw sense Y108 Y109 Y137
