trailer DODGE RAM 1999 Service Repair Manual

ELE C TR IC AL C O M PO NEN T L O CATO R

1999 D odge P ic ku p R 1500
1999 ELECTRICAL COMPONENT LOCATION
Chrysler Motors Electrical Component Location
Dodge; Ram Pickup
SAFETY PRECAUTION
WARNING: When working on vehicles equipped with Supplemental Restraint
System (SRS), never apply electrical voltage to the system.
This could cause the SRS (air bag) to be deployed.
BUZZERS, RELAYS & TIMERS









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Component Component Location








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A/C Compressor Clutch Relay On power distribution center.
Automatic Shut Down Relay On power distribution center.
Blower Motor Relay On power distribution center.
Central Timer Module Left side of dash, inboard of
steering column opening.
Combination Flasher Left side of dash, on
junction block.
Engine Starter Motor Relay On power distribution center.
Fog Lamp Relay On power distribution center.
Fuel Heater Relay (Diesel) On power distribution center.
Fuel Pump Relay On power distribution center.
Horn Relay On power distribution center.
Intake Air Heater Relay No. 1
(Diesel) On left inner fender, below
left battery.
Intake Air Heater Relay No. 2
(Diesel) On left inner fender, below
left battery.
Quad High Beam Relay On power distribution center.
Radio Choke Relay Behind center of dash, on
support.
Security Relay On power distribution center.
Trailer Tow Relay On power distribution center.
Transmission Control Relay On power distribution center.
Wiper Motor Relay On power distribution center.









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Torque Converter Clutch Solenoid/Switch ......... Engine Performance
Traction Control Switch ........................... Anti-Lock Brakes
Trailer Tow Connector .............................. Exterior Lights
Trailer Tow Relay .................................. Exterior Lights
Transmission/Transaxle .......................... Engine Performance
Transmission Control Module (TCM) ............... Engine Performance\
Starters
Transmission Range Sensor ................................. Starters
Back-Up Lights
Engine Performance
Transmission Range Switch ........................... Back-Up Lights
Engine Performance
Anti-Theft System
Turn Signal Flasher ................................ Exterior Lights
Turn Signal Lights ................................. Exterior Lights
Twilight Sentinel Switch ......................... Headlight Systems
Daytime Running Lights
Vapor Canister Leak Detection Pump .............. Engine Performance
Vehicle Control Module (VCM) .................... Engine Performance\
Vehicle Dynamic Module ....................... Electronic Suspension
Vehicle Speed Control Servo ................. Cruise Control Systems
Vehicle Speed Sensor .......................... Data Link Connectors
Analog Instrument Panels
Cruise Control Systems
Electronic Suspension
Voltage Regulator .......................... Generators & Regulators
Water-In-Fuel Sensor ............................ Engine Performance
Analog Instrument Panels
Wheel Speed Sensors ............................... Anti-Lock Brakes
Window Timer Module .......................... Power Convertible Top
Windshield Intermittent Wiper Relay ........... Wiper/Washer Systems
Windshield Washer Motor ....................... Wiper/Washer Systems
Wiper Motor ................................... Wiper/Washer Systems









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M * Lago Alberto, Mexico
12-17 - Serial Number
* Sequential Production Number
MAINTENANCE SERVICE INFORMATION
LIGHT & HEAVY DUTY SERVICE DEFINITIONS
Maintenance service is recommended at different mileage
intervals based on Gross Vehicle Weight Rating (GVWR). See appropriate\
SERVICE SCHEDULES article.
Light Duty
Vehicles with GVWR of 8500 lbs. or less.
Heavy Duty
Vehicles with GVWR of 8501 lbs. or more.
SEVERE & NORMAL SERVICE DEFINITIONS
Service is recommended at mileage intervals based on vehicle
operation. Normal Service and Severe Service schedules are based on
the following primary operating conditions:
Normal Service
* Driven More Than 10 Miles Daily
* NO Severe Service Operating Conditions
Severe Service
NOTE: Use the Severe Service schedule if the vehicle to be serviced
is operated under ANY (one or more) of these conditions:
* Frequent Short Trips Of Less than 5 Miles (8 KM)
* Frequent Driving In Dusty Conditions
* Frequent Trailer Towing
* Frequent Idling
* More Than 50% Of Your Driving Is At Sustained High Speeds
During Hot Weather, Above 90
\bF (32\bC)
SERVICE POINT LOCATIONS

Fig. 20: Underhood Power Distribution Center
Courtesy of Chrysler Corp.
WARNING: Always disconnect battery ground cable before servicing
"high-current fuses. It is recommended that "high-current"
fuses be replaced by a qualified technician.
Power Distribution Center Relay & Fuse Identification
A - Starter Relay
B - Trailer Lights Relay
C - Auto Transmission Relay
D - Anti-Lock Brake System Relay
E - Auto Shutdown Relay
F - Air Conditioning Clutch Relay
G - Horn Relay
H - Fuel System Relay
J - ABS Warning Light Relay
K - Fog Lamp 2 Relay
L - Fog Lamp 1 Relay
1 - 30 Amp (Pink)
Engine Control
2 - 40 Amp (Green)
Ignition Run/Accessory
3 - 40 Amp (Green)
Ignition Run
4 - 50 Amp (Red)
Instrument Panel, Horn, Parking Lights
5 - 20 Amp (Blue)
Fuel Pump
6 - 30 Amp (Pink)
Trailer Lights
7 - 40 Amp (Green)
Stop/Headlight
8 - 40 Amp (Green)
ABS Pump
9 - 20 Amp (Yellow)
Hazard Lights
10 - 20 Amp (Yellow)
Horn/AC
11 - 15 Amp (Blue)

SCHEDULED SERVICES - NORMAL SERVICE (DIESEL)

1999 D odge P ic ku p R 1500
1997-99 MAINTENANCE
Chrysler Maintenance & Service Intervals
Diesel Engines
Normal Service
DODGE; RAM PICKUP Cummins Turbo Diesel: 5.9L VIN [D]
* READ THIS FIRST *
Before preforming maintenance on vehicle, ensure that all
cautions and warnings have been observed to prevent vehicle damage or
personal injury. See CAUTIONS & WARNINGS in MAINTENANCE INFORMATION
article in this section.
Introduction
The frequency of scheduled inspection and maintenance
services in this article are based on normal vehicle usage ONLY. The
following Severe conditions are NOT taken into account:
* Frequent short driving less than 5 Miles (8 Km).
* Frequent driving in dusty conditions.
* Frequent trailer towing.
* Extensive idling.
* More than 50% of your driving is at sustained high speeds
during hot weather, above 90
F (32C).
If the vehicle is operated mainly under any of these
conditions, this Normal service schedule article is inadequate. DO NOT
USE. Instead, use the Severe service schedule: See
SCHEDULED SERVICES - NORMAL SERVICE (DIESEL) .
6,000 MILE (10,000 KM)/6 MONTH NORMAL SERVICE
6,000 MILE (10,000 KM)/6 MONTH NORMAL SERVICE
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INSPECT 

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 Exhaust System 


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 Brake Hoses 


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 Engine Coolant Level, Hoses & Clamps 

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SERVICE 

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 Rotate Tires 


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 Lubricate Steering Linkage 

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REPLACE 

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 Engine Oil 


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 Engine Oil Filter 

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LUBRICATION SPECIFICATIONS 

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Material  Condition  Specification 

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SC HED ULE D S ER VIC ES - N O RM AL S ER VIC E ( G AS)

1 999 D odge P ic ku p R 1500
1997-99 MAINTENANCE
Chrysler Maintenance & Service Intervals
Gasoline Engines
Normal Service/Light Duty Trucks
DODGE; RAM PICKUP 1500: 3.9L VIN [X]
DODGE; RAM PICKUP 1500/2500: 5.2L VIN [Y]
DODGE; RAM PICKUP 1500/2500: 5.2L VIN [T]
DODGE; RAM PICKUP 1500/2500: 5.9L VIN [Z]
* READ THIS FIRST *
Before preforming maintenance on vehicle, ensure that all
cautions and warnings have been observed to prevent vehicle damage or
personal injury. See CAUTIONS & WARNINGS in MAINTENANCE INFORMATION
article in this section.
Introduction
The frequency of scheduled inspection and maintenance
services in this article are based on normal vehicle usage ONLY. The
following Severe conditions are NOT taken into account:
* Frequent short driving less than 5 Miles (8 Km).
* Frequent driving in dusty conditions.
* Frequent trailer towing.
* Extensive idling.
* More than 50% of your driving is at sustained high speeds
during hot weather, above 90
F (32C).
If the vehicle is operated mainly under any of these
conditions, this Normal service schedule article is inadequate. DO NOT
USE. Instead, use the Severe service schedule: See
SCHEDULED SERVICES - SEVERE SERVICE (GAS) .
7,500 MILE (12,000 KM)/6 MONTH NORMAL SERVICE
7,500 MILE (12,000 KM)/6 MONTH NORMAL SERVICE
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INSPECT 

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 Exhaust System 


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 Brake Hoses 


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 Engine Coolant Level, Hoses & Clamps 

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SERVICE 

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 Rotate Tires 


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 Lubricate Steering Linkage 

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REPLACE 

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 Engine Oil (
1) 

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1) - If mileage is less than 7,500 miles (12,000 KM) yearly, 

replace the oil filter at every oil change. 

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SC HED ULE D S ER VIC ES - S EVER E S ER VIC E ( D IE SEL)

1 999 D odge P ic ku p R 1500
1997-99 MAINTENANCE
Chrysler Maintenance & Service Intervals
Diesel Engines
Severe Service
DODGE; RAM PICKUP Cummins Turbo Diesel: 5.9L VIN [D]
* READ THIS FIRST *
Before preforming maintenance on vehicle, ensure that all
cautions and warnings have been observed to prevent vehicle damage or
personal injury. See CAUTIONS & WARNINGS in MAINTENANCE INFORMATION
article in this section.
Introduction
The frequency of scheduled inspection and maintenance
services in this article are based on Severe Duty vehicle usage ONLY.
Severe Duty vehicle usage is defined as any one of the following
conditions:
* Frequent short driving less than 5 Miles (8 16 Km).
* Frequent driving in dusty conditions.
* Frequent trailer towing.
* Extensive idling.
* More than 50% of your driving is at sustained high speeds
during hot weather, above 90
F (32C).
If none of these conditions apply, this Severe service
schedule article is excessive. DO NOT USE. Instead, use the Normal
service schedule: See SCHEDULED SERVICES - NORMAL SERVICE (DIESEL) .
3,000 MILE (5,000 KM) SEVERE DUTY SERVICE
3,000 MILE (5,000 KM) SEVERE DUTY SERVICE
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INSPECT 

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 Exhaust System 


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 Brake Hoses 


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 Engine Coolant Level, Hoses & Clamps 

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SERVICE 

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 Lubricate Steering Linkage 

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REPLACE 

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 Engine Oil 


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 Engine Oil Filter 

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LUBRICATION SPECIFICATIONS 

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Material  Condition  Specification 

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Engine Oil Ambient Temperature Above 10F SAE 15W-40 

(
1)  (-12C) To Over 30F (-1C)  


SC HED ULE D S ER VIC ES - S EVER E S ER VIC E ( G AS)

1 999 D odge P ic ku p R 1500
1997-99 MAINTENANCE
Chrysler Maintenance & Service Intervals
Gasoline Engines
Severe Service/Light Duty Trucks
DODGE; RAM PICKUP 1500: 3.9L VIN [X]
DODGE; RAM PICKUP 1500/2500: 5.2L VIN [Y]
DODGE; RAM PICKUP 1500/2500: 5.2L VIN [T]
DODGE; RAM PICKUP 1500/2500: 5.9L VIN [Z]
* READ THIS FIRST *
Before preforming maintenance on vehicle, ensure that all
cautions and warnings have been observed to prevent vehicle damage or
personal injury. See CAUTIONS & WARNINGS in MAINTENANCE INFORMATION
article in this section.
Introduction
The frequency of scheduled inspection and maintenance
services in this article are based on Severe Duty vehicle usage ONLY.
Severe Duty vehicle usage is defined as any one of the following
conditions:
* Frequent short driving less than 5 Miles (8 16 Km).
* Frequent driving in dusty conditions.
* Frequent trailer towing.
* Extensive idling.
* More than 50% of your driving is at sustained high speeds
during hot weather, above 90
F (32C).
If none of these conditions apply, this Severe service
schedule article is excessive. DO NOT USE. Instead, use the Normal
service schedule: See appropriate
SCHEDULED SERVICE - NORMAL SERVICE (GAS) article.
3,000 MILE (5,000 KM) SEVERE DUTY SERVICE
3,000 MILE (5,000 KM) SEVERE DUTY SERVICE
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INSPECT 

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 Exhaust System 


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 Brake Hoses 


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 Engine Coolant Level, Hoses & Clamps 

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SERVICE 

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 Rotate Tires 


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 Lubricate Steering Linkage 

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REPLACE 

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 Engine Oil 


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 Engine Oil Filter (
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Severe Service (4) ............... ( 2) ................. 60,000
Coolant ............................. ( 5) .................... ( 5)
Drive Belt ........................... 48 ................. 60,000
Engine Oil
Normal Service ..................... 6 .................... 7500
Severe Service .................... ( 2) ................... 3000
Engine Oil Filter
Normal Service
2.4L .............................. 6 .................... 7500
All Others ........................ 12 ................. 15,000
Severe Service
2.4L ............................. ( 2) ................... 3000
All Others ....................... ( 2) ................... 6000
PCV Valve ( 4)
Normal Service ..................... 48 ................. 60,000
Severe Service .................... ( 2) ................. 30,000
Spark Plugs
2.4L & 3.0L
Normal Service .................... 24 ................. 30,000
Severe Service ................... ( 2) ................. 30,000
3.3L & 3.8L
Normal Service ................... ( 2) ................ 100,000
Severe Service ................... ( 2) ................. 75,000
Spark Plug Wires
2.4L & 3.0L
Normal Service .................... 48 ................. 60,000
Severe Service ................... ( 2) ................. 60,000
3.3L & 3.8L
Normal Service ................... ( 2) ................ 100,000
Severe Service ................... ( 2) ................. 75,000
Automatic Transaxle Fluid, Filter
& Band Adjustment ( 6)
Normal Service ..................... 24 ................. 30,000
Severe Service .................... ( 2) ................. 15,000
Power Transfer Unit Fluid
(AWD - Severe Service) ( 7) ......... ( 2) ................. 15,000
Rear Differential & Overrunning
Clutch Fluid/n
(AWD - Severe Service) ( 7) ........ ( 2) ................. 21,000
( 1) - Different interval may be required for normal and severe
service. Severe service is described as use of ethanol fuel,
frequent short trip operation of less than 5 miles, long periods
of engine idling, trailer towing, police, taxi, local delivery
service, or operating in dusty or excessively hot conditions.
( 2) - Monthly interval is not available from manufacturer.
( 3) - Inspect air filter every 15,000 miles and replace as necessary.
Replace at 30,000 miles unless previously replaced during
inspection.
( 4) - Inspect at scheduled interval and replace as necessary. Inspect
every 30,000 miles after first scheduled interval if not
previously replaced at scheduled interval listed.
( 5) - Replace coolant at 45,000 miles or 36 months whichever occurs
first. Replace coolant at 36 months regardless of mileage. After
first coolant change, replace coolant every 24 months or 30,000
miles thereafter.
( 6) - Band adjustment required on 3-speed automatic transaxle.
( 7) - Normal service interval is not available from manufacturer.
Manufacturer lists service schedule only under severe service
conditions.









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REPLACEMENT INTERVALS (DAKOTA) ( 1)

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Component Months Miles
Air Filter
Normal Service ......................... 24 ............. 30,000
Severe Service ........................ (2) ......... ( 3) 15,000
Coolant ................................. ( 4) ................ ( 4)
Drive Belt ............................... 48 ............. 60,000
Engine Oil
Normal Service ......................... 6 ................ 7500
Severe Service ........................ ( 2) ............... 3000
Engine Oil Filter
Normal Service ........................ 12 .............. 15,000
Severe Service ........................ ( 2) ............... 6000
PCV Valve (3.9L, 5.2L & 5.9L) ( 5)
Normal Service ........................ 48 .............. 60,000
Severe Service ........................ ( 2) ............. 30,000
Spark Plugs
Normal Service ........................ 24 .............. 30,000
Severe Service ........................ ( 2) ............. 30,000
Spark Plug Wires
Normal Service ........................ 48 .............. 60,000
Severe Service ........................ ( 2) ............. 60,000
Automatic Transmission Fluid,
Filter & Band Adjustment
Normal Service ........................ 30 .............. 37,500
Severe Service ........................ ( 2) ............. 12,000
Manual Transmission Fluid 3.9L
Normal Service ........................ 30 .............. 37,500
Severe Service ........................ ( 2) ............. 18,000
Transfer Case Fluid (4WD)
Normal Service ........................ 30 .............. 37,500
Severe Service ........................ ( 2) ............. 36,000
Front Differential Fluid (4WD) ( 6)
Severe Service ........................ ( 2) ............. 12,000
Rear Differential Fluid ( 6)
Severe Service ........................ ( 2) ............. 12,000
Repack Front Wheel Bearings
Normal Service ........................ 18 .............. 22,500
Severe Service ........................ ( 2) ............. 21,000
( 1) - Different interval may be required for normal and severe
service. Severe service is described as long periods of engine
idling, frequent short trip operation of less than 5 miles,
trailer towing, off-highway operation, snow removal operation,
or operating in dusty or excessively hot conditions.
( 2) - Monthly interval is not available from manufacturer.
( 3) - Inspect air filter every 15,000 miles and replace as necessary.
Replace at 30,000 miles unless previously replaced during
inspection.
( 4) - Replace coolant at 45,000 miles or 36 months whichever occurs
first. Replace coolant at 36 months regardless of mileage. After
first coolant change, replace coolant every 24 months or 30,000
miles thereafter.
( 5) - Inspect at scheduled interval and replace as necessary.
( 6) - Normal service interval is not available from manufacturer.
Manufacturer lists service schedule only under severe service
conditions.









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REPLACEMENT INTERVALS (DURANGO) ( 1)








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Component Months Miles