Dodge Ram Van B150 1993 - ELECTRICAL COMPONENT LOCATOR 1993 ELECTRICAL COMPONENT LOCATOR Chrysler Corp. - Electrical Component Locations

Dodge Ram Van B150 1993 - BUZZERS, RELAYS & TIMERS

Dodge Ram Van B150 1993 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Clutch Relay	On center of firewall. See Fig. 1 .
A/C-Heater Relay (Auxiliary)	Behind center of dash, right of instrument cluster. See Fig. 2 .
Auto. Shutdown Relay	On firewall behind brake booster. See Fig. 1 .
EMCC Relay	On center of firewall, right of brake booster. See Fig. 1 .
Fuel Pump Relay	On firewall, behind brake booster. See Fig. 1 .
Fuel Shutoff Sol. Relay (CNG)	On left side of firewall. See Fig. 3 .
Hazard Flasher	Behind right side of bash, on relay block. See Fig. 4 .
Headlight/Key/Seat Belt Buzzer	Behind left side of dash, taped to bulkhead disconnect harness.
Horn Relay	Behind right side of dash, on relay block. See Fig. 4 .
Ignition Light Time Delay Relay	Behind right side of dash, on relay block. See Fig. 4 .
Power Door Lock Relay	Under dash, near heater plenum. See Fig. 2 .
Rear Window Defogger Timer	In rear window defogger switch.
Starter Relay	On center of firewall, right of brake booster.
Turn Signal Flasher	Behind right side of dash, on relay block. See Fig. 4 .
Van Conversion Relay	Behind left side of dash.

Dodge Ram Van B150 1993 - CIRCUIT PROTECTION DEVICES

Dodge Ram Van B150 1993 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers
Headlight	In headlight switch.
Power Door Lock	In cavity No. 16 of fuse block.
Power Window	In cavity No. 8 of fuse block.
Windshield Wiper	In windshield wiper motor.
Fuse Block	Behind center of dash, to left of glove box.
Fusible Links
Accessories & Rear Window Defogger (Gray)	On left side of firewall. See Fig. 1 .
Charging System (Dark Green)	On left side of firewall. See Fig. 1 .
Hazard Flasher (White)	On left side of firewall. See Fig. 1 .
Headlights (Gray)	On left side of firewall. See Fig. 1 .
Ignition Switch (Orange)	On left side of firewall (2 fusible links). See Fig. 1 .
Relay Block
View of Relay Block	Behind right side of dash, to right of glove box. See Fig. 4 .
Heater Wiring	Behind right side of dash, to right of glove box. See Fig. 5 .

Dodge Ram Van B150 1993 - CONTROL UNITS

Dodge Ram Van B150 1993 CONTROL UNITS LOCATION

Component	Location
Daytime Running Lights (DRL) Module	Behind left front headlight. See Fig. 1 .
Fuel Injector Driver Module (CNG)	On center of firewall. See Fig. 3 .
Intermittent Wiper Ctrl. Module	Under dash, near heater plenum. See Fig. 2 .
Powertrain Control Module (PCM)
Engine Compartment Wiring	On center of firewall. See Fig. 1 .
Compressed Natural Gas Components	On center of firewall. See Fig. 3 .
Rear ABS (RWAL) Control Module	Behind right side of dash. See Fig. 5 .

Dodge Ram Van B150 1993 - SENDING UNITS & SENSORS

Dodge Ram Van B150 1993 SENDING UNITS & SENSORS LOCATION

Component	Location
Camshaft Position Sensor	On distributor.
Crankshaft Position Sensor	On top of cylinder block, near rear of right cylinder head.
Coolant Temperature Sending Unit
3.9L	At front of engine, in intake manifold, near thermostat housing. See Fig. 6 .
Top of Engine Block	At front of engine, in intake manifold, near thermostat housing. See Fig. 7 .
Coolant Temperature Sensor
3.9L	At front of engine, in intake manifold, near thermostat housing. See Fig. 6 .
Top of Engine Block	At front of engine, in intake manifold, near thermostat housing. See Fig. 7 .
Fuel Gauge Pressure Sensor (CNG)	On end of side fuel cylinder. See Fig. 3 .
Fuel Gauge Sending Unit	In top of fuel tank.
Fuel Low-Pressure Sensor (CNG)
Compressed Natural Gas Components	Top rear of engine. See Fig. 3 .
CNG Accessories	Top rear of engine. See Fig. 9 .
Fuel Temperature Sensor (CNG)
Compressed Natural Gas Components	Top rear of engine. See Fig. 3 .
CNG Accessories	Top rear of engine. See Fig. 9 .
Intake Air Temperature Sensor	On right side of engine, in intake manifold. See Fig. 7 .
MAP Sensor
3.9L	On right side of throttle body assembly. See Fig. 6 .
Top of Engine Block	On right side of throttle body assembly. See Fig. 7 .
Oil Pressure Sending Unit
3.9L	On rear of engine, to right of distributor. See Fig. 6 .
Top of Engine Block	On rear of engine, to right of distributor. See Fig. 7 .
Rear ABS Sensor	On differential housing.
Throttle Position (TP) Sensor
3.9L	On front of throttle body assembly. See Fig. 6 .
Top of Engine Block	On front of throttle body assembly. See Fig. 7 .
Windshield Washer Low Fluid Sensor	On top of windshield washer fluid reservoir. See Fig. 8 .
Vehicle Speed Sensor (VSS)	On rear of transmission.

Dodge Ram Van B150 1993 - MOTORS

Dodge Ram Van B150 1993 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor
Front (Main)	On bottom of evaporator/heater housing, in engine compartment.
Rear (Auxiliary)	On left side of quarter panel, rearward of front door.
Idle Air Control Motor
3.9L	On left side of throttle body assembly. See Fig. 6 .
Top of Engine Block	On left side of throttle body assembly. See Fig. 7 .
Windshield Washer Motor	On bottom of windshield washer fluid reservoir. See Fig. 8 .
Windshield Wiper Motor	On center of firewall. See Fig. 1 .

Dodge Ram Van B150 1993 - SOLENOIDS & SOLENOID VALVES

Dodge Ram Van B150 1993 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
EGR Solenoid/Transducer (Calif.)
3.9L	On right rear of engine, behind valve cover. See Fig. 6 .
Top of Engine Block	On right rear of engine, behind valve cover. See Fig. 7 .
EMCC Solenoid (A/T - W/O Overdrive)	On left side of trans., above park/neutral position switch.
EVAP/Purge Solenoid
3.9L	On left rear of engine. See Fig. 6 .
Top of Engine Block	On left rear of engine. See Fig. 7 .
Pressure Fuel Shutoff (CNG)
High Pressure
Compressed Natural Gas Components	Right frame rail. See Fig. 3 .
CNG Accessories	Right frame rail. See Fig. 9 .
Low Pressure
Compressed Natural Gas Components	Top rear of engine. See Fig. 3 .
CNG Accessories	Top rear of engine. See Fig. 9 .
Transmission Overdrive Solenoid (A/T)	On left side of trans., above park/neutral position switch.

Dodge Ram Van B150 1993 - SWITCHES

Dodge Ram Van B150 1993 SWITCHES LOCATION

Component	Location
A/C Clutch Cycling Switch	Inside evaporator/heater housing, in engine compartment.
A/C Low Pressure Cut-Off Switch	On "H" valve, on right side of evaporator/heater housing.
Back-Up Light Switch (M/T)	On left side of transmission.
Brake/Stop Light Switch	On brake pedal bracket.
Brake Warning Switch	Lower front of engine compartment. See Fig. 8 .
Park/Neutral Position Switch (A/T)	On left lower side of transmission.
Parking Brake Switch	On parking brake pedal bracket.

Dodge Ram Van B150 1993 - MISCELLANEOUS

Dodge Ram Van B150 1993 MISCELLANEOUS LOCATION

Component	Location
A/C-Heater Blower Motor Resistors
Front (Main)	On A/C-heater duct, under right side of dash. See Fig. 5 .
Rear (Auxiliary)	On rear A/C-heater unit.
RWAL Actuator	Lower front of engine compartment. See Fig. 8 .
Test Connectors
Data Link (DLC) (3.9L)	On center of firewall, near PCM. See Fig. 6 .
Engine Compartment Wiring	On center of firewall, near PCM. See Fig. 1 .
RWAL	Under right side of dash, near relay block. See Fig. 5 .