2003 DODGE RAM engine

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Blower Motor BK Behind Right Side of Instrument
PanelN/S
Blower Motor Resistor Block BK Behind Right Side of Instrument
PanelN/S
Brake Lamp Switch BK Top of Brake Pedal Arm 32, 37, 39
Brake Provision-Electric Rear of Engine 26, 27
Brake Transmission Shift Interlock
SolenoidBK Near Steering Column 33, 37, 39
C100 BK Near G107 21, 22, 23, 24, 25
C102 Near Integrated Power Module 28
C106 (5.7L) BK Left Rear Engine 5
C107 (5.7L) BK Left Rear Engine 5
C112 (Diesel) BK Near T/O for Water In Fuel Sensor N/S
C113 BK Left Side Engine 10
C114 BK Left side Engine 10
C115 (Diesel) BK Left Side Engine 10
C130 BK Left Rear of Engine 21, 22, 23, 24, 26
C200 GY Under Instrument Panel 40
C201 WT Near Left Instrument Panel
Speaker37, 39
C205 BK Left Rear Side of Engine
CompartmentN/S
C206 BK Right Instrument Panel 37, 40, 46
C216 BK Middle Left Frame 26, 28, 48
C217 BK Middle Left Frame 26, 28, 37, 48
C218 WT Left Side of Instrument Panel 26, 27, 41, 44
C219 GY Left Side of Instrument Panel 26, 27, 33, 37, 39, 41
C220 WT Left Side of Instrument Panel 37, 39, 41
C301 WT Right Kick Panel 41
C302 BK Left Front Door 41
C304 WT Left Side of Instrument Panel 42, 44, 45
C305 BK At Left Front Door 42, 44, 45
C306 WT Middle Front of Door 43, 45
C307 BK Near Right License Lamp 48, 49
C308 WT Under Instrument Panel 40, 41
C309 WT Left Side of Instrument Panel 39, 41, 44, 45
C310 BK Left Rear of Frame 48, 49
C311 BK Left Rear of Frame 44, 45
C312 WT Under Seat N/S
C313 DK GY At Driver Seat N/S
C314 DK GY At Driver Seat N/S
C315 DK GY At Driver Seat N/S
C316 BK At Passenger Seat N/S
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
C317 BK At Passenger Seat N/S
C319 BK Bottom Left of Left Door N/S
C322 DK GY Left Rear of Frame N/S
C323 BK Left Side of Instrument Panel N/S
C327 BK Right Rear Fender 48, 49
C328 BK Left Rear Fender 48, 49, 50
Camshaft Position Sensor GY Right Front Side of Engine 3, 6, 8, 9
Capacitor Left Rear of Engine Compartment N/S
Center High Mounted Stop
Lamp/Cargo LampBK Rear of Cab 47
Cigar Lighter Outlet NAT Rear of Cigar Lighter 34, 37, 38
Clearance Lamp No. 1 BK Left Roof 46
Clearance Lamp No. 2 BK Left-Center Roof 46
Clearance Lamp No. 3 BK Center Roof 46
Clearance Lamp No. 4 BK Right-Center Roof 46
Clearance Lamp No. 5 BK Right Roof 46
Clockspring C1 BK Steering Column 33
Clockspring C2 YL Steering Column 33
Clockspring C3 BK Steering Column N/S
Clockspring C4 BK Steering Column N/S
Clutch Interlock Brake Switch BK At Clutch Pedal 26, 27
Coil On Plug No.1 BK Left Top Side of Intake Manifold 4
Coil On Plug No.2 BK Right Top Side of Intake Manifold 3
Coil On Plug No.3 BK Left Top Side of Intake Manifold 4
Coil On Plug No.4 BK Right Top Side of Intake Manifold 3
Coil On Plug No.5 BK Left Top Side of Intake Manifold 4
Coil On Plug No.6 BK Right Top Side of Intake Manifold 3
Coil On Plug No.7 BK Left Top Side of Intake Manifold 4
Coil On Plug No.8 BK Right Top Side of Intake Manifold 3
Compass/Mini-Trip Computer BK In Overhead Console N/S
Condenser Fan BK Near Condenser 26, 27
Controller Anti-Lock Brake C1 BK Left Fender Side Shield 26, 27, 28
Controller Anti-Lock Brake C2
(ABS)BK Left Fender Side Shield 26, 28
Crankshaft Position Sensor BK Right Rear of Engine Block 3, 6, 8, 9
Cylinder Lock Switch-Driver
(Premium)BK In Left Front Door 42
Cylinder Lock Switch-Passenger
(Premium)LT GY In Right Front Door N/S
Data Link Connector BK Left Bottom of Instrument Panel 37, 39
Data Link Connector - Engine
(Diesel)BK Near T/O for Water In Fuel Sensor N/S
Dome Lamp BK Center of Headliner N/S
DR8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Door Ajar Switch-Driver (Base) BK Left Front Door 42
Door Ajar Switch-Left Rear (Base) BK Left Rear Door 43
Door Ajar Switch-Passenger (Base) BK Right Front Door N/S
Door Ajar Switch-Right Rear (Base) BK Right Rear Door 43
Door Lock Motor/Ajar Switch-Driver
(Except Base)BK Left Front Door 42
Door Lock Motor/Ajar Switch-Left
Rear (Except Base)BK Left Rear Door 43
Door Lock Motor/Ajar Switch-
Passenger (Except Base)BK Right Front Door N/S
Door Lock Motor/Ajar Switch-Right
Rear (Except Base)BK Right Rear Door 43
Door Lock Switch-Passenger BL In Right Front Door N/S
Driver Airbag Squib BK In Steering Column N/S
Driver Blend Door Actuator (Dual
Zone)BK Right Side of HVAC N/S
Driver Door Module C1 BL In Left Front Door 42
Driver Door Module C2 BL In Left Front Door 42
Engine Control Module C1 BK Left Engine 10
Engine Control Module C2 BK Left Engine 10
Engine Coolant Temperature
SensorBK Near Generator 4, 7, 9
Engine Oil Pressure Sensor BK Lower Left Side of Engine 4, 6, 8, 9, 11
Evap/Purge Solenoid BK Left Fender Side Shield 26, 28
Evaporator Temperature Sensor BK Right Side of HVAC N/S
Fog Lamp-Left WT Left Front Facia N/S
Fog Lamp-Right WT Right Front Facia N/S
Fuel Control Actuator (Diesel) BK Left Rear Engine 23
Fuel Heater (Diesel) BK Left Side Engine 10
Fuel Injector No.1 BK At Fuel Injector 4, 8
Fuel Injector No. 2 BK At Fuel Injector 3, 7
Fuel Injector No. 3 BK At Fuel Injector 4, 8
Fuel Injector No. 4 BK At Fuel Injector 3, 7
Fuel Injector No. 5 BK At Fuel Injector 4, 8
Fuel Injector No. 6 BK At Fuel Injector 3, 7
Fuel Injector No. 7 BK At Fuel Injector 4, 8
Fuel Injector No. 8 BK At Fuel Injector 3, 7
Fuel Pump Module LT GY At Fuel Tank 48
Fuel Pump Motor (Diesel) BK Left Side Engine 10
Generator BK Front of Engine 4, 6, 7, 10
Glove Box Lamp and Switch BK At Glove Box 37, 40
Governor Pressure Sensor BK Left Rear of Transmission N/S
Headlamp Switch BK Left Side of Instrument Panel 34, 37, 39
Headlamp-Left BL At Headlamp 26, 30, 31
8W - 91 - 4 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Headlamp-Right BL At Headlamp 1, 25, 29
Heated Seat Cushion - Driver BL Under Driver Seat N/S
Heated Seat Cushion - Passenger BL Under Passenger Seat N/S
Heated Seat Switch-Driver RD Center of Instrument Panel 35, 37, 38
Heated Seat Switch-Passenger BL Center of Instrument Panel 35, 37, 38
Horn Switch WT In Steering Wheel N/S
Horn-High Note BK Left Front Fender 26, 30, 31
Horn-Low Note BK Left Front Fender 26, 31
Idle Air Control Motor BK On Throttle Body 4, 8
Ignition Coil GY Left Rear of Engine 7, 17
Ignition Coil - Left (8.0L) BK Right Side Engine 9
Ignition Coil - Right (8.0L) BK Right Side Engine 9
Ignition Switch BK Steering Column 33
Inlet Air Temperature/Manifold
Absolute Pressure SensorBK Right Side Engine 10
Input Speed Sensor BK At Transmission 14, 15
Instrument Cluster C1 GY Rear of Instrument Cluster 37
Instrument Cluster C2 GY Rear of Instrument Cluster 37
Instrument Cluster C3 WT Rear of Instrument Cluster 39
Intake Air Heater Relay Right Engine Compartment 2
Intake Air Temperature/Manifold
Absolute Temperature Sensor
(Diesel)BK Left rear Engine N/S
Intake Air Temperature Sensor BK On Intake Manifold 4, 7, 9
Integrated Power Module C1 BK Left Front Fender 29, 30
Integrated Power Module C2 WT Left Front Fender 29, 30
Integrated Power Module C3 GR Left Front Fender 29, 30
Integrated Power Module C4 WT Left Front Fender 29, 30
Integrated Power Module C5 BK Left Front Fender 29, 30
Integrated Power Module C6 BK Left Front Fender 28, 29, 30
Integrated Power Module C7 GY Left Front Fender 29, 30
Integrated Power Module FCM BK In IPM N/S
Knock Sensor BK Left Rear of Engine 5, 6, 17
Leak Detection Pump (Except 8.0L) BK Left Middle of Chassis 48
Leak Detection Pump (8.0L) BK Left Transmission 13
License Lamp-Left BK At Rear Bumper 48, 49
License Lamp-Right BK At Rear Bumper 48, 49
Lift Pump Motor BK Near T/O for WIF Sensor N/S
Line Pressure Sensor BK Right Rear of Transmission 14, 18, 19
Lumbar Motor-Driver DK GY At Driver Seat N/S
Lumbar Motor-Passenger BK At Passenger Seat N/S
Manifold Absolute Pressure Sensor
(4.7L)GY Left Front of Intake Manifold 4
DR8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 5
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Manifold Absolute Pressure Sensor
(5.9L)BK Left Front of Intake Manifold 8
Mode Door Actuator 1 BK Right Side of HVAC N/S
Mode Door Actuator 2 BK Right Side of HVAC N/S
Multi-Function Switch BK On Steering Column N/S
Natural Vacuum Leak Detection
AssemblyBK Rear of Transmission 18, 19
Output Speed Sensor DB Left Side of Transmission 11, 12, 14, 15
Overdrive Switch WT Center of Instrument Panel 37
Overhead Map/Reading Lamp
(Except Base)NAT Center of Headliner N/S
Oxygen Sensor 1/1 Upstream BK Left Front of Side of Transmission 11, 12, 14, 16
Oxygen Sensor 1/2 Downstream NAT Left Rear of Side of Transmission 11, 14, 16
Oxygen Sensor 2/1 Upstream BK Right Front Side of Transmission 11, 12, 14, 16, 17, 18,
19
Oxygen Sensor 2/2 Downstream BK Right Rear Side of Transmission 11, 12, 14, 16, 17, 18,
19
Park Brake Switch At Park Brake 26, 27
Park/Turn Signal Lamp-Left Front BK At Lamp 26, 30, 31
Park/Turn Signal Lamp-Right Front BK At Lamp 1, 25, 29
Passenger Airbag On/Off Switch Right Side of Instrument Panel 35, 37, 40
Passenger Blend Door Actuator
(Dual Zone)BK Right Side of HVAC N/S
Passenger Lumbar Switch At Passenger Seat N/S
Power Mirror-Left BK At Mirror 42
Power Mirror-Right BK At Mirror N/S
Power Outlet RD Center of Instrument Panel 37
Power Outlet-Console BK Center of Instrument Panel N/S
Power Seat Motor-Driver Front
VerticalRD At Driver Seat N/S
Power Seat Motor-Driver Horizontal BK At Driver Seat N/S
Power Seat Motor-Driver Rear
VerticalBK At Driver Seat N/S
Power Seat Switch-Driver BK At Driver Seat N/S
Power Seat Switch-Passenger BK At Passenger Seat N/S
Power Steering Pressure Switch BK Near Power Steering Pump 4, 5
Power Window Circuit Breaker Under Instrument Panel 33, 37, 39
Power Window Motor-Driver BK In Driver Door at Motor 42
Power Window Motor-Left Rear BK In Door at Motor 43
Power Window Motor-Passenger BK In Passenger Door at Motor N/S
Power Window Motor-Right Rear BK In Door at Motor 43
Power Window Switch-Left Rear BL In Door 43
Power Window Switch-Right Rear BL In Door 43
Powertrain Control Module C1 BK Right Rear Engine Compartment 21, 22, 23, 24
8W - 91 - 6 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Powertrain Control Module C2 WT Right Rear Engine Compartment 21, 22, 23, 24
Powertrain Control Module C3 GY Right Rear Engine Compartment 21, 22, 23, 24
Powertrain Control Module C4 GN Right Rear Engine Compartment 21
PTO Sense Near G107 21, 22, 24
Radio (Base) GY Rear of Radio 37, 38
Radio (Premium) BK Rear of Radio 37, 38
Recirculation Door Actuator BK Right Side of HVAC N/S
Red Brake Warning Indicator
SwitchBK Near Master Cylinder 26, 28, 31
Remote Radio Switch-Left BK At Steering Wheel N/S
Remote Radio Switch-Right BK At Steering Wheel N/S
Seat Belt Pretensioner-Left YL Left B-Pillar 44, 45
Seat Belt Pretensioner-Right YL Right B-Pillar N/S
Seat Belt Switch-Driver DK GY Left B-Pillar N/S
Seat Belt Tension Reducer
(Standard Cab)YL Left B-Pillar 44
Seat Heater Interface Module GN Under Driver Seat N/S
Sentry Key Immobilizer Module BK On Steering Column 32
Side Marker - Left Front (Dual
Wheels)BK Front of Left Rear Fender 50
Side Marker - Left Rear (Dual
Wheels)BK Rear of Left Rear Fender 50
Side Marker - Right Front (Dual
Wheels)BK Front of Right Rear Fender 50
Side Marker - Right Rear (Dual
Wheels)BK Rear of Right Rear Fender 50
Speaker-Center Instrument Panel WT Center of Instrument Panel 37, 38
Speaker-Left Front Door WT In Left Front Door 42
Speaker-Left Instrument Panel BK Left Side of Instrument Panel 37, 39
Speaker-Left Rear (Standard Cab) WT In Lower Left B-Pillar 44
Speaker-Left Rear Door (Quad
Cab)WT In Left Rear Door 43
Speaker-Right Front Door WT In Right Front Door N/S
Speaker-Right Instrument Panel BK Right Side of Instrument Panel 37, 40
Speaker-Right Rear (Standard
Cab)BK In Lower Right B-Pillar N/S
Speaker-Right Rear Door (Quad
Cab)BK In Right Rear Door 43
Speed Control Servo BK Left Front Side of Engine
Compartment26, 28
Speed Control Switch - Left
(Except ETC)GN Steering Wheel N/S
Speed Control Switch - Right
(Except ETC)GN Steering Wheel N/S
Speed Control Switch-Left (ETC) WT At Steering Wheel N/S
DR8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 7
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/NUMBER COLOR LOCATION FIG.
Speed Control Switch-Right (ETC) WT At Steering Wheel N/S
Tail/Stop/Turn Signal Lamp-Left BK At Lamp N/S
Tail/Stop/Turn Signal Lamp-Right BK At Lamp N/S
Throttle Position Sensor NAT Throttle Body 4, 8
Trailer Tow Connector BK At Trailer Hitch 49
Trailer Tow Connector-Add On BK At Trailer Hitch 49, 51
Transfer Case Control Module C1 BK Left Side of Instrument Panel 37, 39
Transfer Case Control Module C2 GY Left Side of Instrument Panel 37, 39
Transfer Case Control Module C3 BK Left Side of Instrument Panel 37, 39
Transfer Case Mode Sensor BK Left Front Side of Transfer Case 20
Transfer Case Position Sensor BK Front Middle of Transfer Case 14, 15, 16, 20
Transfer Case Selector Switch BK Center of Instrument Panel 35, 37, 38
Transfer Case Shift Motor BK Left Rear of Transmission 20
Transmission Control Module BK Left Rear of Engine Compartment 21
Transmission Range Sensor BK Left side of Transmission 11, 12
Transmission Solenoid Assembly BK Left Side of Transmission 11, 12
Transmission Solenoid/TRS
Assembly (3.7L/4.7L)BK Left Side of Transmission 14, 15
Underhood Lamp BK Underside of Hood 31
Vistronic Fan Drive Front Engine Compartment 30
Washer Fluid Level Switch BK At Reservoir 25, 29, 30
Washer Pump Motor-Front BK At Washer Fluid Reservoir 25, 29, 30
Water In Fuel Sensor (Diesel) BK Right Side Engine 10
Wheel Speed Sensor-Left Front BK Left Rear Lower Side of Engine
Compartment26, 31
Wheel Speed Sensor-Rear BK Right Rear of Body 49
Wheel Speed Sensor-Right Front GY Right Rear Lower Side of Engine
Compartment25
Wiper Motor-Front BK Left Side of Cowl 26, 28
8W - 91 - 8 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONDR
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

GROUNDS
GROUND
NUMBERLOCATION FIG.
G100 Left Front Engine N/S
G101 Left Front Engine N/S
G102 Left Front Chassis N/S
G103 Left Front Engine Compartment 26
G104 Left Front Engine Compartment 26
G105 Right Front Chassis 25
G106 Left Rear Engine Compartment 26, 31
G107 Right Rear Engine Compartment 10, 21, 22, 24
G201 Right Side of Instrument Panel 39
G202 Center of Instrument Panel 37, 38
G203 Center of Instrument Panel 37, 38
G204 Right Side of Instrument Panel 37
G301 Left Front Body 41, 44, 45
G302 Left Front Body 41, 44, 45
SPLICES
SPLICE
NUMBERLOCATION FIG.
S101 Left Front Fender 25
S102 Left Front Fender 26
S103 Left Rear of Engine Compartment 26
S104 Front Facia N/S
S105 Front Facia N/S
S106 Left Rear of Engine Compartment 26
S107 Left Front Fender 26
S108 Headlamp and Dash, Left Side 26, 28
S109 Left Front Fender 26, 28, 29
S110 Left Front Fender 26
S111 Center Rear of Engine Compartment 22, 24
S114 Left Rear of Engine Compartment 26, 27, 28
S115 Left Rear of Engine Compartment 26, 28, 31
S117 Left Rear of Engine Compartment N/S
S118 Right Rear Engine Compartment 21
S119 Left Rear of Engine Compartment N/S
S120 Left Front Fender 26
S121 Left Front Fender 23, 26
S122 Left Front Fender 26
S123 Left Front Fender 12, 26
S124 Center Rear of Engine Compartment 9, 11, 12, 23
S125 Center Rear of Engine Compartment 21, 23
DR8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 9
CONNECTOR/GROUND/SPLICE LOCATION (Continued)