DODGE RAM 1999 Service Repair Manual

Manifold Absolute Pressure (MAP)
Sensor (8.0L) On right upper side of intake
manifold.

Manifold Air Pressure (MAP)
Sensor (Diesel) In left rear side of intake
manifold.
Rear Wheel Speed Sensor In differential housing.

Throttle Position (TP) Sensor
(3.9L) On throttle body.

Throttle Position (TP) Sensor
(5.2L) On throttle body.

Throttle Position (TP) Sensor
(5.9L) On throttle body.

Throttle Position (TP) Sensor
(8.0L) On throttle body.
Transmission Output Shaft
Speed Sensor (A/T) On left side of transmission.

Water-In-Fuel Sensor
(Diesel) At bottom of fuel filter/water
separator canister.









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SOLENOIDS & SOLENOID VALVES









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Component Component Location








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Duty Cycle EVAP/Purge Solenoid On bracket, mounted on right
inner fender.
Transmission Solenoid Assembly
(A/T) On left side of transmission.
Vehicle Speed Control Servo In engine compartment, below
battery.









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SWITCHES









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Component Component Location








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A/C High Pressure Switch On discharge line, near A/C
compressor.
A/C Low Pressure Switch On top of A/C accumulator.

Back-Up Lamp Switch On left side of transmission.
Brake Pressure Switch On combination valve.
Clutch Pedal Position Switch On clutch master cylinder
pushrod.
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.
Seat Belt Switch Above left rear speaker.

Stoplight Switch On brake pedal bracket.








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MISCELLANEOUS









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Component Component Location








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Blower Motor Resistor Block Behind right side of dash, on
A/C-heater housing.
Data Link Connector (DLC) Left bottom of dash.
Fuel Heater (Diesel) In top of fuel filter housing.
Ignition Coil 4-Pack & 6-Pack Right side of engine.