Dodge Pickup R1500 2003 - 2003 CHRYSLER R1500, R2500 & R3500 Ram Pickup

Dodge Pickup R1500 2003 - BUZZERS, RELAYS & TIMERS

Dodge Pickup R1500 2003 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Clutch Relay	On integrated power module.
Adjustable Pedal Relay	On integrated power module.
Auto Shut Down Relay	On integrated power module.
Condenser Fan Relay	On integrated power module.
Fog Lamp Relay	On integrated power module.
Fuel Pump Relay	On integrated power module.
Heated Mirror Relay	On integrated power module.
Intake Air Heater Relay	At right side of engine compartment.
Oxygen Sensor Downstream Relay (California)	On integrated power module.
Park Lamp Relay	On integrated power module.
Starter Motor Relay	On integrated power module.
Transmission Relay	On integrated power module.
Wiper High/Low Relay	On integrated power module.
Wiper On/Off Relay	On integrated power module.

Dodge Pickup R1500 2003 - CIRCUIT PROTECTION DEVICES

Dodge Pickup R1500 2003 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Integrated Power Module	On left front fender.
Power Window Circuit Breaker	Below left side of dash, near steering column, taped to harness.

Dodge Pickup R1500 2003 - CONTROL UNITS

Dodge Pickup R1500 2003 CONTROL UNITS LOCATION

Component	Location
Air Bag Control Module	Beneath lower center of dash.
Controller Anti-Lock Brake	On left rear of engine compartment.
Driver Door Module	Inside top of left door.
Engine Control Module (5.9L Diesel)	On lower left side of engine block. See Fig. 8.
Fuel Pump Module	Inside fuel tank.
Integrated Power Module	On left front fender.
Occupant Restraint Controller	Beneath lower center of dash.
Powertrain Control Module	On right side of firewall. See Fig. 12.
Seat Heater Interface Module	Under driver's seat.
Sentry Key Immobilizer Module	On top of steering column.
Side Impact Air Bag Control Module (Left)	At base of left "B" pillar, behind trim.
Side Impact Air Bag Control Module (Right)	At base of right "B" pillar, behind trim.
Transfer Case Control Module	Behind left end of dash.
Transmission Control Module	On right rear of engine compartment. See Fig. 12.

Dodge Pickup R1500 2003 - MOTORS

Dodge Pickup R1500 2003 MOTORS LOCATION

Component	Location
Adjustable Pedal Motor	Behind left side of dash.
Blend Door Actuator (Dual Zone) (Driver)	Behind right side of dash, on HVAC assembly.
Blend Door Actuator (Dual Zone) (Passenger)	Behind right side of dash, on HVAC assembly.
Blend Door Actuator (Single Zone)	Behind right side of dash, on HVAC assembly.
Blower Motor	Beneath lower right side of dash, on HVAC assembly.
Fuel Pump Motor (5.9L Diesel)	On lower left side of engine block. See Fig. 8.
Idle Air Control Motor (3.7L)	On left side of throttle body. See Fig. 1.
Idle Air Control Motor (4.7L)	On left side of throttle body. See Fig. 3.
Idle Air Control Motor (5.9L Gas)	On rear of throttle body. See Fig. 7.
Idle Air Control Motor (8.0L)	On throttle body.
Leak Detection Pump	Left middle of chassis.
Lift Pump Motor	Near breakout for WIF sensor.
Mode Door Actuator 1	Behind right side of dash, on HVAC assembly.
Mode Door Actuator 2	Behind right side of dash, on HVAC assembly.
Natural Vacuum Leak Detection Assembly	At rear of transmission.
Recirculation Door Actuator	Behind right side of dash, on HVAC assembly.
Speed Control Servo	On left front of engine compartment.
Transfer Case Shift Motor	On lower left side of transfer case.
Washer Pump Motor	On washer fluid reservoir.
Wiper Motor	On left rear of engine compartment.

Dodge Pickup R1500 2003 - SENDING UNITS & SENSORS

Dodge Pickup R1500 2003 SENDING UNITS & SENSORS LOCATION

Component	Location
Ambient Temperature Sensor	On left underside of hood.
Battery Temperature Sensor	Beneath battery tray.
Camshaft Position Sensor (3.7L)	On lower front of right cylinder head.
Camshaft Position Sensor (4.7L)	On lower front of right cylinder head.
Camshaft Position Sensor (5.7L)	On lower front of right cylinder head. See Fig. 13.
Camshaft Position Sensor (5.9L Gas)	Inside distributor. See Fig. 6.
Camshaft Position Sensor (8.0L)	On left front of engine. See Fig. 10.
Crankshaft Position Sensor (3.7L)	On lower right rear of engine block.
Crankshaft Position Sensor (4.7L)	On lower right rear of engine block. See Fig. 4.
Crankshaft Position Sensor (5.7L)	On lower right rear of engine block.
Crankshaft Position Sensor (5.9L Gas)	On right rear of engine block. See Fig. 6.
Crankshaft Position Sensor (8.0L)	On lower right front of engine. See Fig. 11.
Engine Coolant Temperature Sensor (3.7L)	On upper front of engine. See Fig. 2.
Engine Coolant Temperature Sensor (4.7L)	On upper front of engine.
Engine Coolant Temperature Sensor (5.9L Gas)	In water jacket, at front of intake manifold. See Fig. 7.
Engine Coolant Temperature Sensor (8.0L)	On upper left front of engine. See Fig. 10.
Engine Oil Pressure Sensor (3.7L)	On front of left cylinder head.
Engine Oil Pressure Sensor (4.7L)	On front of left cylinder head. See Fig. 3.
Engine Oil Pressure Sensor (5.7L)	On front right of engine block, above oil filter.
Engine Oil Pressure Sensor (5.9L Gas)	Near distributor. See Fig. 7.
Engine Oil Pressure Sensor (8.0L)	On right front of engine block, above oil filter. See Fig. 11.
Evaporator Temperature Sensor	Behind right side of dash, inside HVAC assembly.
Governor Pressure Sensor	Inside transmission.
Inlet Air Temperature/Manifold Absolute Pressure Sensor (5.9L Diesel)	On right side of cylinder head, near valve cover. See Fig. 9.
Input Speed Sensor	On left front of transmission.
Intake Air Temperature Sensor (3.7L)	On left side of intake manifold, near throttle body. See Fig. 1.
Intake Air Temperature Sensor (4.7L)	On left side of intake manifold, near throttle body. See Fig. 3.
Intake Air Temperature Sensor (5.9L)	On right front of intake manifold. See Fig. 7.
Intake Air Temperature Sensor (8.0L)	On left front of intake manifold. See Fig. 10.
Knock Sensor	On left rear of engine.
Line Pressure Sensor	On right rear of transmission.
Manifold Absolute Pressure Sensor (3.7L)	On front of intake manifold. See Fig. 2.
Manifold Absolute Pressure Sensor (4.7L)	On front of intake manifold.
Manifold Absolute Pressure Sensor (5.7L)	Mounted to front of intake manifold air plenum box. See Fig. 14.
Manifold Absolute Pressure Sensor (5.9L)	On front of throttle body. See Fig. 6.
Output Speed Sensor	On left rear of transmission.
Oxygen Sensor 1/1 (Upstream) (California)	On left catalytic converter inlet.
Oxygen Sensor 1/1 (Upstream) (Except California)	On exhaust pipe, near catalytic converter inlet.
Oxygen Sensor 1/2 (Downstream) (California)	On left exhaust downpipe, downstream of catalytic converter.
Oxygen Sensor 1/2 (Downstream) (Except California)	On exhaust pipe, downstream of catalytic converter.
Oxygen Sensor 2/1 (Upstream) (California)	On right catalytic converter inlet.
Oxygen Sensor 2/2 (Downstream) (California)	On right exhaust downpipe, downstream of catalytic converter.
PTO Sense	On left side of firewall.
Throttle Position Sensor (3.7L)	On left side of throttle body. See Fig. 1.
Throttle Position Sensor (4.7L)	On left side of throttle body. See Fig. 3.
Throttle Position Sensor (5.9L)	On left side of throttle body. See Fig. 6.
Throttle Position Sensor (8.0L)	On left side of throttle body.
Transfer Case Mode Sensor	On top left of transfer case.
Transfer Case Position Sensor	On top left of transfer case.
Transmission Range Sensor	On left side of transmission.
Water In Fuel Sensor (5.9L Diesel)	On left side of engine block. See Fig. 8.
Wheel Speed Sensor (Front) (Left/Right)	On respective steering hub assembly.
Wheel Speed Sensor (Rear)	In rear differential housing.

Dodge Pickup R1500 2003 - SOLENOIDS & SOLENOID VALVES

Dodge Pickup R1500 2003 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Brake Transmission Shift Interlock Solenoid	Beneath lower left side of dash, near steering column.
Evap/Purge Solenoid	On left front of engine compartment.
Fuel Control Actuator	On left rear of engine.
Transmission Solenoid Assembly	Inside transmission.

Dodge Pickup R1500 2003 - SWITCHES

Dodge Pickup R1500 2003 SWITCHES LOCATION

Component	Location
A/C Pressure Transducer (3.7L)	On top of engine, on A/C line.
A/C Pressure Transducer (4.7L)	On top of engine, on A/C line.
A/C Pressure Transducer (5.9L)	On top of engine, on A/C line. See Fig. 6.
A/C Pressure Transducer (5.9L Diesel)	On lower right side of engine block. See Fig. 9.
A/C Pressure Transducer (8.0L)	On top left front of engine. See Fig. 10.
Back-Up Lamp Switch	On left side of transmission.
Brake Lamp Switch	Above brake pedal, on support bracket.
Clutch Interlock Brake Switch	Above clutch pedal, on support bracket.
Ignition Switch	In steering column.
Multi-Function Switch	In steering column.
Park Brake Switch	On park brake mechanism.
Power Steering Pressure Switch	Below power steering reservoir.
Red Brake Warning Indicator Switch	On brake master cylinder reservoir.
Seat Belt Switch	Integral with driver's seat belt buckle.
Transfer Case Position Switch	On top left of transfer case.
Washer Fluid Level Switch	On washer fluid reservoir.
4WD Switch	Near breakout for back-up lamp switch.

Dodge Pickup R1500 2003 - MISCELLANEOUS

Dodge Pickup R1500 2003 MISCELLANEOUS LOCATION

Component	Location
Audio Amplifier	Behind upper right side of dash.
Blower Motor Resistor Block	Beneath lower right side of dash, on HVAC assembly.
Capacitor	On right rear of engine compartment, above PCM.
Data Link Connector	Below left side of dash.
Fuel Heater (5.9L Diesel)	On lower left side of engine block. See Fig. 8.
Horn (High Note)	On left front of engine compartment.
Horn (Low Note)	On left front of engine compartment.
Ignition Coil (3.7L & 4.7L)	On left rear of engine.
Ignition Coils (8) (5.7L)	Above respective cylinder.
Ignition Coil (5.9L)	On left rear of engine.
Ignition Coil (Left) (8.0L)	On right side of engine. See Fig. 11.
Ignition Coil (Right) (8.0L)	On right side of engine. See Fig. 11.
Natural Vacuum Leak Detection Assembly	At rear of transmission.
Seat Belt Pretensioner (Left)	At base of left "B" pillar, behind trim.
Seat Belt Pretensioner (Right)	At base of right "B" pillar, behind trim.
Seat Belt Tension Reducer	At base of right "B" pillar, behind trim.
Trailer Tow Connector	Beneath center of rear bumper.
Vistronic Fan Drive	At front of engine compartment.

Dodge Pickup R1500 2003 - CONNECTORS

Dodge Pickup R1500 2003 CONNECTORS LOCATION

Component	Location
C100 (Black, 10 Pin)	At right rear of engine compartment. See Fig. 12.
C102	At left front fender.
C106 (5.7L) (Black, 16 Pin)	At left rear of engine. See Fig. 5.
C107 (5.7L) (Black, 14 Pin)	At left rear of engine. See Fig. 5.
C112 (Black, 4 Pin)	Near breakout for water in fuel sensor.
C113 (5.9L Diesel) (Black)	At left rear of engine. See Fig. 8.
C114 (5.9L Diesel) (Black)	At left middle of engine. See Fig. 8.
C115 (5.9L Diesel) (Black, 4 Pin)	At left front of engine. See Fig. 8.
C130 (Black, 78 Pin)	On left rear of engine compartment. See Fig. 12.
C200 (Gray, 13 Pin)	Behind right side of dash.
C201 (White, 12 Pin)	Behind left side of dash.
C205 (Black, 2 Pin)	At left rear of engine compartment.
C206 (Black, 2 Pin)	Behind right side of dash.
C216 (Black, 8 Pin)	At left middle of frame.
C217 (Black, 14 Pin)	At left middle of frame.
C218 (White, 12 Pin)	Behind left side of dash.
C219 (Gray, 74 Pin)	Behind left side of dash.
C220 (White, 24 Pin)	Behind left side of dash.
C301 (White, 10 Pin)	Behind right kick panel.
C302 (Black, 14 Pin)	In left front door.
C304 (White, 10 Pin)	Behind left side of dash.
C305 (Black, 14 Pin)	In left front door.
C306 (White, 10 Pin)	In front of left rear door.
C307 (Black, 6 Pin)	Behind right side of rear bumper.
C308 (White, 19 Pin)	Behind right side of dash.
C309 (White, 8 Pin)	Behind left side of dash.
C310 (Black, 6 Pin)	At left rear of frame.
C311 (Black, 6 Pin)	At left rear of frame.
C312 (White, 10 Pin)	Under seat.
C313 (Dark Gray, 12 Pin)	At driver's seat.
C314 (Dark Gray, 2 Pin)	At driver's seat.
C315 (Dark Gray, 6 Pin)	At driver's seat.
C316 (Black, 6 Pin)	At passenger's seat.
C317 (Black, 12 Pin)	At passenger's seat.
C319 (Black, 2 Pin)	Bottom left of left door.
C322 (Dark Gray, 14 Pin)	At left rear of frame.
C323 (Black, 6 Pin)	Behind left side of dash.
C327 (Black, 2 Pin)	At right rear fender.
C328 (Black, 2 Pin)	At left rear fender.

Dodge Pickup R1500 2003 - GROUNDS

Dodge Pickup R1500 2003 GROUNDS LOCATION

Component	Location
G100	On left front of engine.
G101	On left front of engine.
G102	On left front of chassis.
G103	At left front of engine compartment.
G104	At left front of engine compartment.
G105	On right front of chassis.
G106	At left rear of engine compartment.
G107 (5.9L Diesel)	Left side of engine. See Fig. 8.
G201	Behind right side of dash.
G202	Behind center of dash.
G203	Behind center of dash.
G204	Behind right side of dash.
G301	On left front of body.
G302	On left front of body.

Dodge Pickup R1500 2003 - SPLICES

Dodge Pickup R1500 2003 SPLICES LOCATION

Component	Location
S101	At left front fender.
S102	At left front fender.
S103	At left rear of engine compartment.
S104	At front fascia.
S105	At front fascia.
S106	At left rear of engine compartment.
S107	At left front fender.
S108	Left side of dash.
S109	At left front fender.
S110	At left front fender.
S111	At center rear of engine compartment. See Fig. 12.
S114	At left rear of engine compartment.
S115	At left rear of engine compartment.
S117	At left rear of engine compartment.
S118	At right rear of engine compartment.
S119	At left rear of engine compartment.
S120	At left front fender.
S121	At left front fender.
S122	At left front fender.
S123	At left front fender.
S124	At center rear of engine compartment.
S125	At center rear of engine compartment.
S126	At center rear of engine compartment.
S128	On right rear of engine.
S129	At top front of transmission.
S130 (5.9L)	At top front of transmission. See Fig. 6.
S131	At left rear of engine compartment.
S132	At right rear of engine compartment. See Fig. 12.
S133	On left rear of engine.
S134	At left rear of engine compartment.
S135	Left side of dash.
S136	At left front fender.
S137	At right rear of engine compartment. See Fig. 12.
S138	On left rear of engine.
S139	On right front of transmission.
S141	On right rear of engine.
S142	On left side of engine.
S143	At left side of engine compartment.
S144	On top front of transmission.
S145	At left front fender.
S146	At left front fender.
S147 (5.9L Gas)	On right rear of engine. See Fig. 7.
S148	On top front of transmission.
S149 (4.7L)	On left rear of engine. See Fig. 3.
S149 (5.9L Gas)	On left rear of engine.
S150 (5.7L)	On top left rear of engine. See Fig. 5.
S153	On rear of engine compartment.
S154 (5.7L)	On top left of engine. See Fig. 5.
S155	On left rear of engine compartment, near breakout for fuel control actuator.
S156	At left rear of engine compartment.
S157	Near breakout for camshaft position sensor.
S158 (5.9L Diesel)	At top left of intake manifold. See Fig. 8.
S160 (5.9L Diesel)	At top left rear of intake manifold. See Fig. 8.
S170 (5.9L Diesel)	On lower left of engine block. See Fig. 8.
S171 (5.9L Diesel)	At top left rear of intake manifold. See Fig. 8.
S172	In breakout to fuel control actuator.
S173	Near breakout for engine control module.
S174	Near breakout for C114.
S175	Near breakout for engine control module.
S176	On left side of engine, near breakout for fuel control actuator.
S181	On top of transmission.
S182	On top of transmission.
S183	On top of transmission.
S184	On top of transmission.
S191	Near integrated power module.
S197	On left rear of engine compartment.
S201	Behind left side of dash.
S204	Behind left side of dash.
S205	Behind left side of dash.
S206	At steering column.
S207	At steering column.
S208	Behind center of dash.
S209	Behind center of dash.
S210	Behind center of dash.
S212	Behind left side of dash.
S213	Behind center of dash.
S214	Behind left side of dash.
S216	Behind center of dash.
S217	Behind left side of dash.
S218	Behind left side of dash.
S219	Behind center of dash.
S220	Behind center of dash.
S221	Behind center of dash.
S222	Behind center of dash.
S224	At right side of HVAC assembly.
S225	Behind center of dash.
S226	At right side of HVAC assembly.
S230	Behind right side of instrument panel.
S231	Behind left side of instrument panel.
S301	Above center of headliner.
S302	Above center of headliner.
S304	Above center of headliner.
S305	At center of body.
S306	On left side of frame.
S307	Above center of headliner.
S308	At left rear of chassis.
S309	At center rear of chassis.
S310	At center of body.
S311	At left front of body.
S312	In right front door.
S313	In left front door.
S314	At left rear frame rail.
S315	At left front of body.
S316	At driver's seat.
S317	At passenger's seat.
S318	At passenger's seat.
S319	In left front door.
S320	At center of body.
S321	At left front of body.
S322	At left front of body.
S323	At left front of body.
S324	At left rear of chassis.
S325	At left rear of chassis.
S326	At left rear of chassis.
S327	At left rear of chassis.
S328	At driver's seat.
S329	At driver's seat.
S330	At center rear of chassis.
S331	At center rear of chassis.
S332	In left front door.
S333	At left front body.
S334	At left front body.
S335	At left front body.
S338	At left rear fender.
S339	At left rear fender.