Dodge Pickup R3500 1998 - 1998 CHRYSLER Ram Pickup

Dodge Pickup R3500 1998 - BUZZERS, RELAYS & TIMERS

Dodge Pickup R3500 1998 BUZZERS, RELAYS & TIMERS

Component	Component Location
A/C Compressor Clutch Relay	On power distribution center.
Automatic Shut Down Relay	On power distribution center.
Blower Motor Relay	On power distribution center.
Combination Flasher	Right side of dash, on junction block.
Engine Starter Motor Relay	On power distribution center.
Fog Lamp Relay No. 1	On power distribution center.
Fog Lamp Relay No. 2	On power distribution center.
Fuel Heater Relay (12V Diesel)	On power distribution center.
Fuel Heater Relay (24V Diesel)	On power distribution center.
Fuel Pump Relay	On power distribution center.
Fuel Shut Down Relay (12V Diesel)	On firewall, near master cylinder.
Horn Relay	On power distribution center.
Intake Air Heater Relay No. 1 (12V Diesel)	On left inner fender, below left battery.
Intake Air Heater Relay No. 1 (24V Diesel)	On left inner fender, below left battery.
Intake Air Heater Relay No. 2 (12V Diesel)	On left inner fender, below left battery.
Intake Air Heater Relay No. 2 (24V Diesel)	On left inner fender, below left battery.
Radio Choke Relay	Behind center of dash, on support.
Security Relay	On power distribution center.
Trailer Tow Relay	On power distribution center.
Transmission Relay	On power distribution center.
Turn Signal Flasher	On fuse block.
Wiper Motor Relay	On power distribution center.

Dodge Pickup R3500 1998 - CIRCUIT PROTECTION DEVICES

Dodge Pickup R3500 1998 CIRCUIT PROTECTION DEVICES

Component	Component Location
Circuit Breakers	In junction block.
Fusible Links	In power distribution center.
Junction Block	Right end of dash.
Power Distribution Center	In engine compartment, on left inner fender panel, near battery.

Dodge Pickup R3500 1998 - CONTROL UNITS

Dodge Pickup R3500 1998 CONTROL UNITS

Component	Component Location
Air Bag Control Module	Behind lower center of dash.
Central Timer Module	Left side of dash.
Controller Anti-Lock Brake (4WABS)	Engine compartment, mounted on top of hydraulic control unit.
Controller Anti-Lock Brake (RABS)	In engine compartment, on left front inner fender.
Daytime Running Lamps (DRL) Module	In engine compartment, on left inner fender panel.
Engine Control Module (24V Diesel)	On left side of engine, behind fuel filter.
Fuel Pump Control Module (FPCM) (24V Diesel)	On left side of engine, integral to fuel injection pump.
Fuel Pump Module	Top of fuel tank.
Hydraulic Control Unit	Left rear of engine compartment.
Integrated Electronic Module	Left side of dash.
Powertrain Control Module (PCM)	In engine compartment, on right side of firewall.
Seat Belt Control Module	Under front seat center cushion.

Fig. 1: Dodge Pickup R3500 1998 - Component Locations - Locating PCM, Power Distribution Center & A/C Low Pressure Switch

Dodge Pickup R3500 1998 - MOTORS

Dodge Pickup R3500 1998 MOTORS

Component	Component Location
Blower Motor	Behind right side of dash.
Fuel Transfer Pump (24V Diesel)	On left side of engine, below & rearward of fuel filter.
Idle Air Control Motor (3.9L)	On throttle body. See Fig. 6.
Idle Air Control Motor (5.2L)	On throttle body. See Fig. 6.
Idle Air Control Motor (5.9L)	On throttle body. See Fig. 6.
Idle Air Control Motor (8.0L)	On throttle body. See Fig. 10.
Leak Detection Pump	Right front inner fender.
Vehicle Speed Control Servo	In engine compartment, below battery.
Windshield Washer Pump Motor	In bottom of windshield washer reservoir.
Windshield Wiper Motor	In engine compartment, on center of firewall.

Dodge Pickup R3500 1998 - SENDING UNITS & SENSORS

Dodge Pickup R3500 1998 SENDING UNITS & SENSORS

Component	Component Location
Accelerator Pedal Position Sensor (24V Diesel)	At left front of engine, below cable/lever/linkage cover. See Fig. 19.
Ambient Temperature Sensor	On left side of radiator support, behind grille.
Battery Temperature Sensor	Below battery tray.
Camshaft Position Sensor (3.9L)	Inside distributor.
Camshaft Position Sensor (5.2L)	Inside distributor.
Camshaft Position Sensor (5.9L)	Inside distributor.
Camshaft Position Sensor (8.0L)	In timing chain case/cover, on left front side of engine. See Fig. 8.
Crankshaft Position Sensor (3.9L)	Right rear of engine block. See Fig. 4.
Crankshaft Position Sensor (5.2L)	Right rear of engine block. See Fig. 4.
Crankshaft Position Sensor (5.9L)	Right rear of engine block. See Fig. 4.
Crankshaft Position Sensor (8.0L)	On right lower side of cylinder block, above oil pan rail. See Fig. 9.
Engine Coolant Temperature Sensor (Single Wire Sensor) (12V Diesel)	On left side of cylinder head, at rear end. See Fig. 16.
Engine Coolant Temperature Sensor (24V Diesel)	On front of cylinder head, near thermostat housing. See Fig. 20.
Engine Coolant Temperature Sensor (3.9L)	On thermostat housing. See Fig. 5.
Engine Coolant Temperature Sensor (5.2L)	On thermostat housing. See Fig. 5.
Engine Coolant Temperature Sensor (5.9L)	On thermostat housing. See Fig. 5.
Engine Coolant Temperature Sensor (8.0L)	On thermostat housing.
Engine Oil Pressure Sensor (12V Diesel)	On left side of cylinder block, near power steering pump. See Fig. 17.
Engine Oil Pressure Sensor (24V Diesel)	On left side of engine, near ECM. See Fig. 18.
Engine Oil Pressure Sensor (3.9L)	Near distributor.
Engine Oil Pressure Sensor (5.2L)	Near distributor.
Engine Oil Pressure Sensor (5.9L)	Near distributor.
Engine Oil Pressure Sensor (8.0L)	Near oil filter.
Engine Position Sensor (24V Diesel)	Below fuel injection pump, attached to timing gear cover housing. See Fig. 21.
Engine Speed Sensor (12V Diesel)	On front of engine, in timing chain case/cover. See Fig. 13.
Engine Speed Sensor (24V Diesel)	Below fuel injection pump, attached to timing gear cover housing. See Fig. 22.
Front Wheel Speed Sensors	On left & right front wheel assemblies.
Heated Oxygen Sensor (HO2S) (Downstream) (3.9L)	Near outlet end of catalytic converter.
Heated Oxygen Sensor (HO2S) (Downstream) (5.2L)	Near outlet end of catalytic converter.
Heated Oxygen Sensor (HO2S) (Downstream) (5.9L)	Near outlet end of catalytic converter.
Heated Oxygen Sensor (HO2S) (Left Upstream) (5.9L Heavy Duty)	In left exhaust manifold downpipe.
Heated Oxygen Sensor (HO2S) (Left Upstream) (8.0L)	In left exhaust manifold downpipe.
Heated Oxygen Sensor (HO2S) (Post-Catalyst) (8.0L)	In exhaust pipe, rear of catalytic converter.
Heated Oxygen Sensor (HO2S) (Pre-Catalyst) (8.0L)	At inlet of catalytic converter.
Heated Oxygen Sensor (HO2S) (Right Upstream) (5.9L Heavy Duty)	In right exhaust manifold downpipe.
Heated Oxygen Sensor (HO2S) (Right Upstream) (8.0L)	In right exhaust manifold downpipe.
Heated Oxygen Sensor (HO2S) (Upstream) (3.9L)	At inlet of catalytic converter.
Heated Oxygen Sensor (HO2S) (Upstream) (5.2L)	At inlet of catalytic converter.
Heated Oxygen Sensor (HO2S) (Upstream) (5.9L)	At inlet of catalytic converter.
Intake Air Temperature Sensor (12V Diesel)	On top of intake manifold, to rear of air intake heater. See Fig. 14.
Intake Air Temperature Sensor (24V Diesel)	In rear of intake manifold. See Fig. 23.
Intake Air Temperature Sensor (3.9L)	In right front side of intake manifold. See Fig. 7.
Intake Air Temperature Sensor (5.2L)	In right front side of intake manifold. See Fig. 7.
Intake Air Temperature Sensor (5.9L)	In right front side of intake manifold. See Fig. 7.
Intake Air Temperature Sensor (8.0L)	In right front side of intake manifold. See Fig. 11.
Manifold Absolute Pressure (MAP) Sensor (24V Diesel)	In rear of intake manifold. See Fig. 23.
Manifold Absolute Pressure (MAP) Sensor (3.9L)	On throttle body. See Fig. 6.
Manifold Absolute Pressure (MAP) Sensor (5.2L)	On throttle body. See Fig. 6.
Manifold Absolute Pressure (MAP) Sensor (5.9L)	On throttle body. See Fig. 6.
Manifold Absolute Pressure (MAP) Sensor (8.0L)	On right upper side of intake manifold. See Fig. 12.
Rear Wheel Speed Sensor	In differential housing.
Throttle Position Sensor (12V Diesel)	On top of injection pump. See Fig. 15.
Throttle Position (TP) Sensor (3.9L)	On throttle body. See Fig. 6.
Throttle Position (TP) Sensor (5.2L)	On throttle body. See Fig. 6.
Throttle Position (TP) Sensor (5.9L)	On throttle body. See Fig. 6.
Throttle Position (TP) Sensor (8.0L)	On throttle body. See Fig. 10.
Transmission Output Shaft Speed Sensor (A/T)	On left side of transmission. See Fig. 2.
Water-In-Fuel Sensor (12V Diesel)	At bottom of fuel filter, in drain valve. See Fig. 14.
Water-In-Fuel Sensor (24V Diesel)	At side of fuel filter/water separator canister.

Dodge Pickup R3500 1998 - SOLENOIDS & SOLENOID VALVES

Dodge Pickup R3500 1998 SOLENOIDS & SOLENOID VALVES

Component	Component Location
Duty Cycle EVAP/Purge Solenoid (3.9L)	On bracket, mounted on right inner fender.
Duty Cycle EVAP/Purge Solenoid (5.2L)	On bracket, mounted on right inner fender.
Duty Cycle EVAP/Purge Solenoid (5.9L)	On bracket, mounted on right inner fender.
Duty Cycle EVAP/Purge Solenoid (8.0L)	On bracket, mounted on right inner fender.
EGR Solenoid (12V Diesel)	On top front of cylinder head.
Fuel Shut-Down Solenoid (12V Diesel)	On side of injector pump, on bracket. See Fig. 14.
Transmission Solenoid Assembly (A/T)	On left side of transmission. See Fig. 2.

Dodge Pickup R3500 1998 - SWITCHES

Dodge Pickup R3500 1998 SWITCHES

Component	Component Location
A/C High Pressure Switch	On rear of A/C compressor.
A/C Low Pressure Switch	On top of A/C accumulator.
Back-Up Lamp Switch (M/T)	On left side of transmission. See Fig. 3.
Brake Pressure Switch	On combination valve.
Clutch Pedal Position Switch	On clutch pedal bracket.
Low Washer Fluid Level Switch	On side of washer fluid reservoir.
Park Brake Switch	On park brake mechanism.
Park/Neutral Position Switch (A/T)	On left side of transmission. See Fig. 2.
Seat Belt Switch	In driver's seat belt buckle.
Stoplamp Switch	On brake pedal bracket.
4X4 Switch	On front axle tube.

Dodge Pickup R3500 1998 - MISCELLANEOUS

Dodge Pickup R3500 1998 MISCELLANEOUS

Component	Component Location
Blower Motor Resistor Block	Behind right side of dash, on A/C-heater housing.
Bypass Jumper	On top of clutch pedal.
Data Link Connector (DLC)	Left bottom of dash.
Fuel Heater (12V Diesel)	Above engine starter motor. See Fig. 17.
Fuel Heater (24V Diesel)	Inside fuel filter housing.
Ignition Coil 4-Pack & 6-Pack	Right side of engine.
Intake Air Heater Assembly (12V Diesel)	On top of intake manifold, forward of air inlet tube. See Fig. 13.
Intake Air Heater Assembly (24V Diesel)	On top of intake manifold.

Dodge Pickup R3500 1998 - CONNECTORS

Dodge Pickup R3500 1998 CONNECTORS LOCATION

Component	Location
C105 (3 Pin)	Behind front bumper.
C106 (Black, 2 Pin)	On front axle.
C119 (1 Pin)	Near power distribution center.
C125 (12V Diesel) (Black, 16 Pin)	At left rear of engine compartment.
C125 (24V Diesel) (Black, 16 Pin)	At left rear of engine compartment.
C126 (12V Diesel) (Gray, 16 Pin)	At left rear of engine compartment.
C126 (24V Diesel) (Gray, 16 Pin)	At left rear of engine compartment.
C127 (24V Diesel) (Gray, 6 Pin)	At left rear of engine compartment.
C128 (8 Pin)	At left front body/chassis mount.
C129 (8 Pin)	At left front body/chassis mount.
C130 (43 Pin)	In power distribution center.
C134 (Black, 74 Pin)	Behind left side of dash.
C183 (4 Pin)	To center high mounted light jumper.
C203 (26 Pin)	Behind left side of dash.
C204 (3 Pin)	Behind left side of dash.
C303 (2 Pin)	Below driver's seat.
C308 (6 Pin)	Above center rear of headliner.
C329 (4 Pin)	Below right taillight.
C333 (4 Pin)	Below left taillight.
C342 (2 Pin)	At left rear of frame.
C343 (2 Pin)	At left rear of frame.
C345 (12 Pin)	In right door.
C346 (10 Pin)	In right door.
C347 (12 Pin)	In left door.
C348 (10 Pin)	In left door.
C352 (Black, 2 Pin)	At left "A" pillar.
C353 (Black, 2 Pin)	At right "A" pillar.
C360 (10 Pin)	Heated seat to body wiring.
C361 (6 Pin)	To body wiring.
C363 (2 Pin)	To passenger's seat jumper.
C364 (6 Pin)	At rear speakers.

Dodge Pickup R3500 1998 - GROUNDS

Dodge Pickup R3500 1998 GROUNDS LOCATION

Component	Location
G100	On left fender side shield.
G101	On left fender side shield.
G102	On left fender side shield.
G103	Near wiper motor.
G104	Near generator.
G105	On front of engine.
G106	On front of engine.
G200	Behind left side of dash.
G201	Behind center of dash.
G300	At lower left rear of cab.
G301	Below left rear speaker.
G302	At overhead console.

Dodge Pickup R3500 1998 - SPLICES

Dodge Pickup R3500 1998 SPLICES LOCATION

Component	Location
S101	At right side of radiator.
S102	Near breakout to right park/turn light.
S103	Near breakout to left park/turn light.
S104	At left front fender area.
S105	In headlight & dash harness, near left front wheel speed sensor.
S106	In headlight & dash harness, near left front wheel speed sensor.
S107	In headlight & dash harness, near left front wheel speed sensor.
S108	Near anti-lock brake controller.
S109	Near anti-lock brake controller.
S110	Near anti-lock brake controller.
S111	Near anti-lock brake controller.
S112	Near anti-lock brake controller.
S113	Near anti-lock brake controller.
S114	In breakout to chassis harness.
S115	In breakout to daytime running lights module.
S116 (3.9L)	On firewall, near rear of engine.
S116 (5.2L)	On firewall, near rear of engine.
S116 (5.9L)	On firewall, near rear of engine.
S116 (8.0L)	In engine harness, on rear of engine.
S116 (12V Diesel)	On firewall, near rear of engine.
S116 (24V Diesel)	On firewall, near rear of engine.
S117 (3.9L)	On firewall, near rear of engine.
S117 (5.2L)	On firewall, near rear of engine.
S117 (5.9L)	On firewall, near rear of engine.
S117 (8.0L)	In engine harness, on rear of engine.
S118 (3.9L)	On firewall, near rear of engine.
S118 (5.2L)	On firewall, near rear of engine.
S118 (5.9L)	On firewall, near rear of engine.
S118 (8.0L)	In engine harness, on rear of engine.
S118 (12V Diesel)	Near branch to fuel heater.
S118 (24V Diesel)	Near branch to fuel heater.
S119 (3.9L)	On firewall, near rear of engine.
S119 (5.2L)	On firewall, near rear of engine.
S119 (5.9L)	On firewall, near rear of engine.
S119 (8.0L)	In engine harness, on rear of engine.
S119 (12V Diesel)	On firewall, near rear of engine.
S119 (24V Diesel)	On firewall, near rear of engine.
S120 (3.9L)	On firewall, near rear of engine.
S120 (5.2L)	On firewall, near rear of engine.
S120 (5.9L)	On firewall, near rear of engine.
S120 (8.0L)	In engine harness, on rear of engine.
S120 (12V Diesel)	In engine harness, on rear of engine.
S120 (24V Diesel)	In engine harness, on rear of engine.
S121 (3.9L)	Near breakout to fuel injector No. 5.
S121 (5.2L)	Near breakout to fuel injector No. 5.
S121 (5.9L)	Near breakout to fuel injector No. 5.
S121 (8.0L)	Near breakout to fuel injector No. 5.
S121 (12V Diesel)	In engine harness, on top of engine.
S121 (24V Diesel)	In engine harness, on top of engine.
S122 (3.9L)	At top of transmission.
S122 (5.2L)	At top of transmission.
S122 (5.9L)	At top of transmission.
S122 (8.0L)	At rear of engine, in branch to transmission.
S123 (3.9L)	Near breakout to fuel injector No. 3.
S123 (5.2L)	Near breakout to fuel injector No. 3.
S123 (5.9L)	Near breakout to fuel injector No. 3.
S123 (8.0L)	Near breakout to fuel injector No. 1.
S124 (3.9L)	At top of transmission.
S124 (5.2L)	At top of transmission.
S124 (5.9L)	At top of transmission.
S124 (8.0L)	At rear of engine, in branch to transmission.
S125 (3.9L)	At top of transmission.
S125 (5.2L)	At top of transmission.
S125 (5.9L)	At top of transmission.
S125 (8.0L)	At rear of engine, in branch to transmission.
S126 (3.9L)	Near breakout to fuel injector No. 1.
S126 (5.2L)	Near breakout to fuel injector No. 1.
S126 (5.9L)	Near breakout to fuel injector No. 1.
S126 (8.0L)	Near breakout to engine ground.
S127 (3.9L)	At transmission.
S127 (5.2L)	At transmission.
S127 (5.9L)	At transmission.
S127 (8.0L)	At transmission.
S127 (12V Diesel)	On firewall, near rear of engine.
S127 (24V Diesel)	On firewall, near rear of engine.
S128	Near fuel shutdown relay.
S129	Near breakout to A/C low pressure switch.
S130 (12V Diesel)	In engine harness, on rear of engine.
S130 (24V Diesel)	In engine harness, on rear of engine.
S131	In engine harness, on rear of engine.
S132 (12V Diesel)	In transmission harness.
S132 (24V Diesel)	In transmission harness.
S133 (12V Diesel)	In transmission harness.
S133 (24V Diesel)	In transmission harness.
S134	Near foglights.
S200	Near breakout to instrument cluster.
S201	Near breakout to instrument cluster.
S202	Near overdrive switch.
S203	Near overdrive switch.
S204	Near breakout to instrument cluster.
S205	Near breakout to instrument cluster.
S206	Near breakout to instrument cluster.
S207	Near blower motor.
S208	Near passenger's air bag disarm switch.
S300	Behind left side of dash.
S301	Behind left side of dash.
S302	Behind left side of dash.
S303	Behind left side of dash.
S304	Behind left side of dash.
S305	Behind right side of dash.
S306	Behind left side of dash.
S307	Behind left side of dash.
S308	Behind left side of dash.
S310	Near left rear speaker.
S311	At left body ground.
S312	In left door.
S313	At left frame rail.
S314	At left frame rail.
S315	At left frame rail.
S316	At left frame rail.
S317	At left frame rail.
S318	In breakout to trailer tow.
S319	In breakout to trailer tow.
S320	In breakout to trailer tow.
S321	In breakout to trailer tow.
S322	At roof light assembly.
S323	At roof light assembly.
S324	At roof light assembly.
S325	At roof light assembly.
S326	At roof light assembly.
S327	In power seat harness, near switch.
S328	In power seat harness, near breakout to switch.
S329	Near left rear door grommet.
S330	Near right rear door grommet.
S331	Near breakout to fuel tank sending unit.
S401	At right fender light.
S402	At left fender light.
S403	At right fender light.
S404	At left fender light.