engine DODGE RAM 2002 Service Repair Manual

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
C126 (Diesel) GY Left Rear of Engine Compartment 3
C129 BK Above Left Front Body Cushion 20, 29
C130 At Power Distribution Center 1, 3
C134 BK Left Cowl 30, 33, 35
C203 Left Cowl 30, 33
C205 Instrument Panel Center Support N/S
C206 Left Cowl 25, 30, 33
C237 Bottom Right of Instrument Panel 30, 34
C303 BK Below Driver's Seat 23
C308 Center Rear of Headliner N/S
C329 BK Below Right Tail Lamp 27
C333 BK Below Left Tail Lamp 27
C342 BK Left Rear of Frame 27
C343 BK Left Rear of Frame 27
C344 (Dual Rear Wheels) BK Left Rear of Frame N/S
C345 Right Door N/S
C346 Right Door N/S
C347 Left Door 25
C348 Left Door 25
C352 WT Left A-Pillar 25
C353 WT Right A-Pillar 25
C358 NAT Left Side Instrument Panel 25, 30, 33, 35
C359 Heated Seat To Body Wiring 23
C360 Below Driver's Seat 23
C361 Left Rear Speaker Wiring N/S
C364 Right Rear Speaker Wiring N/S
C365 Under Passenger Power Seat N/S
Camshaft Position Sensor
(V8)GY Near of Distributor 5
Camshaft Position Sensor
(V10)GY Front of Engine 8
Camshaft Position Sensor
(Diesel)Left Front of Engine 13
Cargo Lamp No. 1 BK Rear of Lamp N/S
Cargo Lamp No. 2 BK Rear of Lamp N/S
Center High Mounted Stop
Lamp No. 1BK Rear of Cab 23
Center High Mounted Stop
Lamp No. 2BK Rear of Cab 23
Center Identification Lamp BK Behind Front of Headliner 25
Central Timer Module C1 Left Side Under Instrument Panel 30, 32
Central Timer Module C2 Left Side Under Instrument Panel 30, 32
Cigar Lighter NAT Center of Instrument Panel 33
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONBR/BE
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Clockspring C1 Steering Column 32
Clockspring C2 Steering Column 32
Clockspring C3 Steering Column 32
Clutch Pedal Position Switch
(M/T)BK Top of Clutch Pedal 35
Controller Anti-Lock Brake C1 BK Left Fender Side Shield 18
Controller Anti-Lock Brake C2
(ABS)BK Left Fender Side Shield 18
Crankshaft Position Sensor
(V8)BK Rear of Engine Block 5
Crankshaft Position Sensor
(V10GY Right Side of Engine Block 8
Cummins Bus (-) Left Front of Engine 13
Cup Holder Lamp BK Center of Instrument Panel 30, 34
Data Link Connector BK Left Bottom of Instrument Panel 30, 32
Day/Night Mirror BK Day/Night Mirror N/S
Daytime Running Lamp
ModuleBK Left Fender Side Shield 18
Dome Lamp BK Rear of Cab 23
Driver Airbag YL Steering Wheel N/S
Driver Cylinder Lock Switch BK In Door 24
Driver Door Ajar Switch NAT Door Jamb N/S
Driver Door Lock Motor BK In Door 24
Driver Door Window/Lock
SwitchBL In Door 24
Driver Heated Seat Cushion BL Under Seat N/S
Driver Heated Seat Switch RD Center of Instrument Panel N/S
Driver Lumbar Motor Under Seat N/S
Driver Power Seat Front
Vertical MotorBK Under Seat N/S
Driver Power Seat Horizontal
MotorBK Under Seat N/S
Driver Power Seat Rear
Vertical MotorBK Under Seat N/S
Driver Power Seat Switch At Seat N/S
Driver Power Window Motor In Door 24
EVAP/Purge Solenoid BK Right Fender Side Shield 22
Electric Brake Provision Bottom Left of Instrument Panel N/S
Engine Control Module
(Diesel)Left Side Engine 15
Engine Coolant Temperature
Sensor (Diesel)BK Left Front of Cylinder Head (Diesel) 13
Engine Coolant Temperature
Sensor (Gas)BK On Thermostat Housing 5, 8
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Engine Oil Pressure Sensor
(V8)BK Near Distributor 5
Engine Oil Pressure Sensor
(V10)Near Oil Filter 8
Engine Oil Pressure Sensor
(Diesel)Left Side of Engine 15
Fuel Heater (Diesel) Left Side of Engine 13
Fuel Injection Pump (Diesel) Left Side of Engine, Below ECM 13
Fuel Injector No.1 BK At Fuel Injector 7
Fuel Injector No. 2 BK At Fuel Injector 7, 8
Fuel Injector No. 3 BK At Fuel Injector 7, 8
Fuel Injector No. 4 BK At Fuel Injector 7, 8
Fuel Injector No. 5 BK At Fuel Injector 7, 8
Fuel Injector No. 6 BK At Fuel Injector 7, 8
Fuel Injector No. 7 BK At Fuel Injector 7, 8
Fuel Injector No. 8 BK At Fuel Injector 7, 8
Fuel Injector No. 9 BK At Fuel Injector 8
Fuel Injector No. 10 BK At Fuel Injector 8
Fuel Pump Module (Gas) LTGY At Frame Rail 29
Fuel Tank Module (Diesel) LTGY At Frame Rail N/S
Fuel Transfer Pump (Diesel) Left Rear of Engine Bottom of Pump 13
Generator BK Front of Engine 10, 11
Glove Box Lamp At Glove Box 30
Headlamp Switch C1 BK Left Side of Instrument Panel 30, 34
Headlamp Switch C2 Left Side of Instrument Panel 30, 34
Heated Mirror Switch Center of Instrument Panel 33
High Note Horn BK Front Bumper Right Support 22
Idle Air Control Motor BK On Throttle Body 12
Ignition Coil (5.9L) GY Right Front of Engine 7, 12
Ignition Coil 4 Pack (8.0L) BK Right Side of Engine 12
Ignition Coil 6 Pack (8.0L) BK Right Side of Engine 12
Ignition Switch C1 BK Steering Column 32
Ignition Switch C2 GY Steering Column 32
Instrument Cluster C1 Rear of Instrument Cluster 30
Instrument Cluster C2 Rear of Instrument Cluster 30
Intake Air Heater Relay
(Diesel)Left Fender Side Shield 21
Intake Air Temperature
Sensor (Diesel)Left Rear of Engine 13
Intake Air Temperature
Sensor (Gas)BK On Intake Manifold 7, 8
Joint Connector No. 1 In Power Distribution Center N/S
Joint Connector No. 2 In Power Distribution Center N/S
8W - 91 - 4 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONBR/BE
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Low Note Horn BK Front Bumper Right Support 22
Manifold Absolute Pressure
Sensor (V8)BK On Throttle Body 7
Manifold Absolute Pressure
Sensor (V10)BK Top of Intake Manifold 12
Manifold Air Pressure Sensor
(Diesel)BK Rear of Intake Manifold 13
Multi-Function Switch On Steering Column 32
Output Speed Sensor DKBL Left Side of Transmission 16
Overdrive Switch On Shift Lever Arm N/S
Overhead Console BK Front of Headliner 25, 26
Oxygen Sensor 1/1 Left Bank
Up (5.9L HD/8.0L)Left Exhaust Manifold Downpipe N/S
Oxygen Sensor 1/1 Upstream
(A/T Except 8.0L)Catalytic Converter Inlet Side N/S
Oxygen Sensor 1/2
Downstream (A/T Except
8.0L)Catalytic Converter Outlet Side N/S
Oxygen Sensor 1/2 Left Bank
Down (California)Catalytic Converter Outlet Side N/S
Oxygen Sensor 1/2
Pre-catalyst (8.0L)Catalytic Converter Inlet Side N/S
Oxygen Sensor 1/3 Post
Catalyst (8.0L)Catalytic Converter Outlet Side N/S
Oxygen Sensor 2/1 Right
Bank Up (5.9L, 5.9HD, 8.0L,
CAL)Right Exhaust Manifold Downpipe N/S
Oxygen Sensor 2/2 Right
Bank Down (California)Catalytic Converter Outlet Side N/S
Oxygen Sensor 1/1 Left Bank
UpLeft Side of Engine N/S
Oxygen Sensor 1/1 Upstream
(M/T Except 8.0L)Catalytic Converter Outlet Side N/S
Park/Neutral Position Switch BK Left Side of Transmission 16
Passenger Airbag At Glove Box 30, 34
Passenger Airbag On/Off
Switch C1Lower Right Side of Instrument Panel 30, 33
Passenger Airbag On/Off
Switch C2Lower Right Side of Instrument Panel 30, 33
Passenger Cylinder Lock
SwitchLTGY In Door N/S
Passenger Door Ajar Switch NAT In Door N/S
Passenger Door Lock Motor BK In Door N/S
Passenger Door Window/
Lock SwitchIn Door N/S
8W - 91 - 6 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONBR/BE
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Passenger Heated Seat
SwitchBL Center of Instrument Panel N/S
Passenger Heated Seat
CushionUnder Seat N/S
Passenger Lumbar Motor Under Seat N/S
Passenger Power Seat Front
Vertical MotorUnder Seat N/S
Passenger Power Seat
Horizontal MotorUnder Seat N/S
Passenger Power Seat Rear
Vertical MotorUnder Seat N/S
Passenger Power Seat
SwitchAt Seat N/S
Passenger Power Window
MotorIn Door N/S
Power Mirror Switch Driver Door 24
Power Outlet BK Center of I.P. 33
Powertrain Control Module
C1BK Right Rear Engine Compartment 1, 3
Powertrain Control Module
C2WT Right Rear Engine Compartment 1, 3
Powertrain Control Module
C3GY Right Rear Engine Compartment 1, 3
Radio Choke Relay BK Instrument Panel Center support 30, 33
Radio C1 GY Rear of Radio 33
Radio C2 BK Rear of Radio 33
Radio C3 BK Instrument Panel Center Support 33
Rear Wheel Speed Sensor
(ABS)BK Left Frame Rail, Near Fuel Tank 27, 29
Right Back-Up Lamp GY Rear of Lamp N/S
Right Fog Lamp WT Rear of Fog Lamp N/S
Right Front Door
Speaker(PremiumBK In Door N/S
Right Front Door
Speaker(StandardBK In Door N/SN/S
Right Front Fender Lamp BK On Fender 27
Right Front Wheel Speed
Sensor (ABS)BK Right Fender Side Shield 22
Right Headlamp BK At Headlamp N/S
Right License Lamp BK At Rear Bumper N/S
Right Outboard Clearance
LampBK Behind Front of Headliner 25
Right Outboard Headlamp At Headlamp N/S
Right Outboard Identification
LampBK Behind Front of Headliner 25
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 7
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Right Park/Turn Signal Lamp BK At Lamp N/S
Right Power Mirror BK In Door N/S
Right Rear Fender Lamp BK On Fender 27
Right Rear Speaker BK Bottom of Right B Pillar 23
Right Remote Radio Switch Steering Wheel N/S
Right Speed Control Switch Steering Wheel N/S
Right Tail/Stop Turn Signal
LampBK At Rear Bumper 27
Right Tweeter (Premium) Right A Pillar N/S
Right Visor/Vanity Lamp BK Right A-Pillar N/S
Seat Belt Switch BK Above Left Rear Speaker 23
Seat Heat Interface Module BK Under Seat N/S
Tailgate Lamp On Tailgate 27
Throttle Position Sensor
(Gas)Throttle Body 7, 12
Trailer Tow Connector BK On Trailer Hitch 27
Transmission Range Sensor BK Left side of Transmission N/S
Transmission Solenoid
AssemblyBK Side of Transmission 16
Under Hood Lamp BK Underside of Hood 20
Vehicle Speed Control Servo BK Below Battery 21
Washer Fluid Level Switch BK At Reservoir 21
Water In Fuel Sensor (Diesel) BK Bottom of Fuel Filter/Water Separator 13
Windshield Washer Pump BK Bottom of Washer Fluid Reservior 21
Wiper Motor BK Center Rear Engine Compartment 18
GROUNDS
GROUND
NUMBERLOCATION FIG.
G100 Left Fender Side Shield 21
G101 Left Fender Side Shield 21
G102 Left Fender Side Shield (RWAL Ground) N/S
G103 Near T/O for Wiper Motor 18
G105 Front of Engine (Engine Ground) 7, 8, 12
G107 (Diesel) Left Rear of Engine 13
G113 (Diesel) Primary Battery Engine Ground N/S
G114 Battery Engine Ground N/S
G115 (Diesel) Primary Battery Body Ground N/S
G116 Battery Frame Ground N/S
G117 (Diesel) Auxilary Battery Engine Ground N/S
G118 (Diesel) Primary Frame Ground N/S
G120 (Diesel) Auxilary Battery Body Ground N/S
8W - 91 - 8 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONBR/BE
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

GROUND
NUMBERLOCATION FIG.
G200 Left Cowl 32
G201 Instrument Panel Right Center Support 30, 33
G300 Left Lower Cowl 25
G301 Below Left Rear Speaker 23
G302 At Overhead Console 25
SPLICES
SPLICE
NUMBERLOCATION FIG.
S100 Engine Harness Near T/O to Oil Pressure Sensor 7
S102 Headlamp and Dash Harness, Near T/O to Right Park/Turn Lamp 22
S103 Headlamp and Dash Harness, Near T/O to Left Park/Turn Lamp N/S
S104 Headlamp and Dash Harness, Near T/O to Left Front Headlamp N/S
S105 Headlamp and Dash Harness, In Power Distribution Center 19
S106 Headlamp and Dash Harness, In Power Distribution Center 19
S107 Headlamp and Dash Harness, Near Left Wheel Speed Sensor 19
S108 Headlamp and Dash Harness, Near Daytime Running Lamp Module 19
S109 Battery Harness, In T/O for Engine and Transmission Ground N/S
S110 Headlamp and Dash Harness, Near Left Wheel Speed Sensor 19
S111 Transmission Harness Near T/O to A/C Low Pressure Switch 4
S112 Headlamp and Dash Harness, Near Antilock Brake Controller 19
S113 Headlamp and Dash Harness, Near Antilock Brake Controller 19
S114 Headlamp and Dash Harness, In T/O to Chassis Harness 19
S116(V8) Engine Harness, Near T/O to Fuel Injectors 2
S116 (V10) Engine Harness Rear of Engine 2, 9
S116 (Diesel) Transmission Harness, In T/O to Power Distribution Center 4
S117 (V8) Engine Harness, Near T/O to Fuel Injectors 2
S117 (V10) Engine Harness, Near T/O to fuel Injector No. 8 2, 9
S118 (V8) Engine Harness, Near T/O to Fuel Injectors 2
S118 (V10) Engine Harness, Rear of Engine 2, 9
S119 (V8) Engine Harness, Near T/O to Fuel Injectors 2
S119 (V10) Engine Harness, Rear of Engine 2, 9
S120 (V8) Engine Harness, Near T/O to Fuel Injectors 2
S120 (V10) Engine Harness, Rear of Engine 2, 9, 17
S120 (Diesel) Transmission Harness, Near T/O to A/C Low Pressure Switch 4
S121 (V8) Engine Harness, Near T/O to Fuel Injector No. 5 7
S121 (V10) Engine Harness, Near T/O to Fuel Injector No. 7 9
S122 (V8) Engine Harness, Top of Transmission 6
S122 (V10) Engine Harness, In T/O to Transmission N/S
S123 (V8) Engine Harness, Near T/O to Fuel Injector No. 3 7
S123 (V10) Engine Harness, Near T/O to Fuel Injector No. 3 9
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 9
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

SPLICE
NUMBERLOCATION FIG.
S124 (V8) Engine Harness, Top of Transmission 6
S124 (V10) Engine Harness, In T/O to Transmission N/S
S126 (V8) Engine Harness, Near T/O to Fuel Injector No. 1 7
S126 (V10) Engine Harness, Near T/O to Engine Ground 9, 17
S126 (Diesel) Transmission Harness, Near T/O to Powertrain Control Module 4
S127 (V8) Engine Harness, on Top of Transmission 6
S127 (V10) Engine Harness, Near T/O to Transmission 17
S127 (Diesel) Transmission Harness, Near T/O to A/C Low Pressure Switch 4
S128 (Diesel) Transmission Harness, Near T/O to Power Distribution Center 4
S130 (V8) Engine Harness, Near T/O to Oil Pressure Sensor 7
S131 (V10) Engine Harness, Rear of Engine 9
S134 Fog Lamp Harness, In T/O to Right Fog Lamp N/S
S136 Fog Lamp Harness, In T/O to Right Fog Lamp N/S
S141 Headlamp and Dash Harness, Near T/O to Joint Connector No. 3 22
S143 Headlamp and Dash Harness, Near T/O to Power Distribution
Center19
S144 Headlamp and Dash Harness, Near T/O to Joint Connector No. 3 22
S150 Front Bumper Right Support 22
S151 Left Front Engine Compartment 21
S152 Near Left Front Wheel Speed Sensor
S160 (Diesel) Engine Harness, Near Fuel Transfer Pump N/S
S161 (Diesel) Transmission Harness, In T/O to Power Distribution Center 4
S164 (Diesel) Engine Harness, Near Fuel Transfer Pump N/S
S165 (Diesel) Engine Harness, Near Engine Control Module N/S
S166 (Diesel) Engine Harness, Near Engine Control Module N/S
S167 (Diesel) Engine Harness, Near Fuel Transfer Pump N/S
S168 (Diesel) Engine Harness, Near T/O to Engine Coolant Temoerature Sensor N/S
S170 (Diesel) Engine Harness, In T/O to Engine Control Module N/S
S171 Transmission Harness, In T/O to Power Distribution Cente 4
S172 (Diesel) Transmission Harness, Near T/O to A/C Low Pressure Switch 4
S173 (Diesel) Transmission Harness, Near T/O to A/C Low Pressure Switch 4
S174 (Diesel) Transmission Harness, In T/O to Power Distribution Center 4
S175 Transmission Harness, In T/O to Power Distribution Center 4
S176 Headlamp and Dash Harness, In Power Distribution Center 19
S177 Headlamp and Dash Harness, In T/O to Daytime Running Lamps
Module19
S179 Transmission Harness, In T/O to Power Distribution Center 4
S180 Headlamp and Dash Harness, Near Intake Air Heater Relay 22
S181 Headlamp and Dash Harness, Near Intake Air Heater Relay 22
S182 Headlamp and Dash Harness, In T/O to Daytime Running Lamps
Module19
S183 Headlamp and Dash Harness, In Power Distribution Center 19
8W - 91 - 10 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONBR/BE
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

SPLICE
NUMBERLOCATION FIG.
S184 (Diesel) Engine Harnes, in T/O to Engine Control Module N/S
S202 Instrument Panel Harness, Near Overdrive Switch 31
S203 Instrument Panel Harness, Near Overdrive Switch 31
S204 instrument Panel Harness, In T/O to Cup Holder Lamp 31
S207 Instrument Panel Harness, Near Blower Motor 31
S209 Steering Wheel Harness, Near Remote Radio Switch N/S
S210 Steering Wheel Harness, Near Remote Radio Switch N/S
S300 Body Harness, Left Side Instrument Panel 36
S301 Body Harness, Left Side Instrument Panel 36
S302 Body Harness, Left Side Instrument Panel 36
S303 Body Harness, Left Side Instrument Panel 36
S304 Body Harness, Left Side Instrument Panel 36
S305 Body Harness, Right Side Instrument Panel N/S
S306 Body Harness, Left Side Instrument Panel 36
S307 Body Harness, Left Cowl 36
S308 Body Harness, Left Cowl 36
S310 At Left Body Ground N/S
S311 At Left Body Ground N/S
S313 Left Rear Frame Rail 28
S314 Left Rear Frame Rail N/S
S315 Left Rear Frame Rail N/S
S316 Left Rear Frame Rail 28
S317 Left Rear Frame Rail 28
S318 In T/O to Trailer Tow 28
S319 In T/O to Left Rear Lamps 28
S320 In T/O to Trailer Tow 28
S321 In T/O to Left Rear Lamps 28
S322 Overhead Console Harness, At Roof Lamps 26
S323 Overhead Console Harness, At Roof Lamps 26
S324 Overhead Console Harness, At Roof Lamps 26
S325 Overhead Console Harness, At Roof Lamps 26
S326 Overhead Console Harness, At Roof Lamps 26
S327 Power Seat Harness, Near Switch N/S
S328 Power Seat Harness, Near T/O to Body Wiring N/S
S329 Door Harness, Near Left Door Near Grommet N/S
S330 Door Harness, Near Right Door Near Grommet N/S
S331 Chassis Harness, Near T/O to Fuel Pump Module 28
S332 Body Harness, Left Side Instrument Panel 36
S333 Power Seat Harness, Near T/O to Passenger Seat Jumper N/S
S335 Power Seat harness, Near T/O to Body Wiring N/S
S336 Power Seat Harness, Under Passenger Seat N/S
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 11
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

Fig. 1 ENGINE COMPARTMENT (GAS )
Fig. 2 DASH PANEL (GAS ENGINES)
BR/BE8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 13
CONNECTOR/GROUND/SPLICE LOCATION (Continued)