engine DODGE RAM 1500 1998 2.G Workshop Manual

8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch Relay............ 8W-30-9, 58
A/C Pressure Transducer......... 8W-30-23, 28, 29, 45
Accelerator Pedal Position Sensor . . . 8W-30-29, 47, 64, 65
Adjustable Pedal Motor................. 8W-30-61
Adjustable Pedal Relay.................. 8W-30-61
Adjustable Pedal Switch................. 8W-30-61
Ambient Temperature Sensor............. 8W-30-30
Auto Shut Down Relay................... 8W-30-4
Battery............................ 8W-30-52
Battery Temperature Sensor............ 8W-30-12, 56
Brake Lamp Switch............. 8W-30-8, 36, 57, 63
Camshaft Position Sensor........ 8W-30-10, 29, 45, 46
Capacitor........................... 8W-30-13
Clockspring..................... 8W-30-8, 36, 59
Coil On Plug No. 1.................. 8W-30-14, 39
Coil On Plug No. 2.................. 8W-30-15, 37
Coil On Plug No. 3.................. 8W-30-14, 39
Coil On Plug No. 4.................. 8W-30-15, 37
Coil On Plug No. 5.................. 8W-30-16, 39
Coil On Plug No. 6.................. 8W-30-13, 37
Coil On Plug No. 7.................. 8W-30-16, 39
Coil On Plug No. 8.................. 8W-30-13, 37
Condenser Fan Relay.................... 8W-30-9
Controller Antilock Brake............ 8W-30-6, 11, 57
Crankshaft Position Sensor............ 8W-30-10, 46
Data Link Connector............... 8W-30-9, 22, 55
Data Link Connector-Engine.............. 8W-30-51
EGR Solenoid................... 8W-30-28, 29, 32
Electronic Throttle Control Module.......... 8W-30-35
Engine Control Module....... 8W-30-42, 43, 44, 45, 46,
47, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 62, 63, 64, 65
Engine Coolant Temperature Sensor.... 8W-30-23, 41, 47
Engine Oil Pressure Switch.......... 8W-30-2, 53, 56
EVAP/Purge Solenoid................... 8W-30-12
Front Control Module................... 8W-30-61
Fuel Control Actuator................... 8W-30-50
Fuel Heater......................... 8W-30-60
Fuel Heater Relay..................... 8W-30-60
Fuel Injector No. 1.................. 8W-30-14, 40
Fuel Injector No. 2.................. 8W-30-15, 38
Fuel Injector No. 3.................. 8W-30-14, 40
Fuel Injector No. 4.................. 8W-30-15, 38
Fuel Injector No. 5.................. 8W-30-14, 40
Fuel Injector No. 6.................. 8W-30-15, 38
Fuel Injector No. 7.................. 8W-30-16, 40
Fuel Injector No. 8.................. 8W-30-13, 38
Fuel Injector Pack No. 1................. 8W-30-42
Fuel Injector Pack No. 2............ 8W-30-42, 43, 44
Fuel Injector Pack No. 3................. 8W-30-44
Fuel Pump Module................... 8W-30-3, 58
Fuel Pump Motor...................... 8W-30-48
Fuel Pump Relay....................... 8W-30-3
Fuse 2.............................. 8W-30-4
Fuse 5........................... 8W-30-25, 62
Fuse 12............................ 8W-30-60
Fuse 17............................. 8W-30-3
Fuse 19............................ 8W-30-52
Fuse 23............................. 8W-30-2Component Page
Fuse 36.......................... 8W-30-54, 61
Fuse 40............................ 8W-30-61
Fuse 49............................. 8W-30-4
Fuse 50..................... 8W-30-2, 55, 58, 62
Fusible Link......................... 8W-30-52
G104........................ 8W-30-3, 8, 25, 60
G105............................ 8W-30-56, 58
G107........... 8W-30-2, 7, 15, 18, 19, 20, 21, 30, 32
G114 .............................. 8W-30-53
G120............................ 8W-30-51, 60
G201............................... 8W-30-6
G202.............................. 8W-30-61
Generator......................... 8W-30-7, 51
Idle Air Control Motor................... 8W-30-9
Ignition Switch..................... 8W-30-6, 22
Inlet Air Temperature Sensor............. 8W-30-49
Input Speed Sensor.................... 8W-30-24
Instrument Cluster.................... 8W-30-30
Intake Air Heater Relay No. 1............. 8W-30-56
Intake Air Heater Relay No. 2............. 8W-30-56
Intake Air Temperature Sensor.......... 8W-30-23, 41
Intake Air Temperature/Manifold Absolute
Pressure Sensor..................... 8W-30-50
Integrated Power Module.... 8W-30-2, 3, 4, 9, 25, 52, 54,
55, 58, 60, 61, 62, 64
Knock Sensor........................ 8W-30-31
Knock Sensor-Left..................... 8W-30-33
Knock Sensor-Right.................... 8W-30-33
Lift Pump Motor...................... 8W-30-51
Line Pressure Sensor................... 8W-30-17
Manifold Absolute Pressure Sensor..... 8W-30-23, 29, 41
Natural Vacuum Leak Detection Assembly..... 8W-30-7
Output Speed Sensor................. 8W-30-24, 62
Oxygen Sensor 1/1 Upstream........... 8W-30-20, 21
Oxygen Sensor 1/2 Downstream......... 8W-30-18, 19
Oxygen Sensor 2/1 Upstream........... 8W-30-20, 21
Oxygen Sensor 2/2 Downstream......... 8W-30-18, 19
Oxygen Sensor Downstream Relay........... 8W-30-4
Power Steering Pressure Switch............ 8W-30-7
Powertrain Control Module....... 8W-30-2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24,
25, 26, 27, 28, 29, 30, 31, 32,
33, 35, 36, 37, 38, 39, 40, 41
PTCNo.1 ....................... 8W-30-3, 9, 58
Pto Switch........................... 8W-30-6
Speed Control Servo.................. 8W-30-8, 63
Speed Control Switch-Left............. 8W-30-36, 59
Speed Control Switch-Right............ 8W-30-36, 59
Starter Motor Relay.................. 8W-30-2, 64
Throttle Position Sensor................. 8W-30-17
Tow/Haul Overdrive Switch............. 8W-30-6, 64
Transmission Control Relay............ 8W-30-25, 62
Transmission Range Sensor............... 8W-30-64
Transmission Solenoid Assembly......... 8W-30-54, 62
Transmission Solenoid/TRS Assembly . 8W-30-5, 25, 26, 27
Vacuum Pump........................ 8W-30-58
Vistronic Fan Drive.................... 8W-30-54
Water In Fuel Sensor................ 8W-30-47, 48
DR8W-30 FUEL/IGNITION SYSTEM 8W - 30 - 1

8W-31 TRANSMISSION CONTROL SYSTEM
Component Page
Automatic Day/Night Mirror........... 8W-31-7
Brake Lamp Switch.................. 8W-31-9
Camshaft Position Sensor.............. 8W-31-6
Clockspring........................ 8W-31-10
Clutch Interlock Brake Switch......... 8W-31-11
Data Link Connector................ 8W-31-16
Engine Control Module......... 8W-31-7, 8, 9, 10
Front Control Module................. 8W-31-2
Fuse 5.......................... 8W-31-2, 8
Fuse 38.......................... 8W-31-2, 7
Fuse 43........................... 8W-31-11
Fuse 50............................ 8W-31-8
G104..................... 8W-31-2, 11, 14, 16
G107............................. 8W-31-14
G201........................... 8W-31-3, 10
Input Speed Sensor.................. 8W-31-5
Instrument Cluster................ 8W-31-7, 14
Integrated Power Module....... 8W-31-2, 7, 8, 11Component Page
Line Pressure Sensor................. 8W-31-6
Output Speed Sensor............... 8W-31-5, 8
Powertrain Control Module..... 8W-31-2, 3, 4, 5, 6
Speed Control Servo.................. 8W-31-9
Speed Control Switch-Left............ 8W-31-10
Speed Control Switch-Right........... 8W-31-10
Starter Motor Relay................. 8W-31-11
Tow/Haul Overdrive Switch......... 8W-31-3, 10
Transfer Case Control
Module.............. 8W-31-11, 12, 13, 14, 16
Transfer Case Mode Sensor........ 8W-31-12, 13
Transfer Case Selector Switch......... 8W-31-14
Transfer Case Shift Motor............ 8W-31-16
Transmission Control Relay.......... 8W-31-2, 8
Transmission Range Sensor............ 8W-31-7
Transmission Solenoid Assembly........ 8W-31-8
Transmission Solenoid/TRS Assembly . 8W-31-2, 3, 4
DR8W-31 TRANSMISSION CONTROL SYSTEM 8W - 31 - 1

8W-33 VEHICLE SPEED CONTROL
Component Page
Brake Lamp Switch.............. 8W-33-2, 4, 5
Center High Mounted Stop Lamp-
Aftermarket...................... 8W-33-2
Center High Mounted Stop Lamp/Cargo
Lamp........................... 8W-33-2
Clockspring..................... 8W-33-6, 7, 8
Controller Antilock Brake.............. 8W-33-3
Electric Brake Provision............... 8W-33-2
Engine Control Module............ 8W-33-3, 5, 8
Fuse 24............................ 8W-33-2Component Page
Fuse 30............................ 8W-33-4
G104............................ 8W-33-4, 5
G201.............................. 8W-33-2
Instrument Cluster................... 8W-33-2
Integrated Power Module............ 8W-33-2, 4
Powertrain Control Module........ 8W-33-3, 4, 8
PTCNo.1.......................... 8W-33-4
Speed Control Servo................ 8W-33-4, 5
Speed Control Switch-Left........... 8W-33-6, 7
Speed Control Switch-Right.......... 8W-33-6, 7
DR8W-33 VEHICLE SPEED CONTROL 8W - 33 - 1

8W-34 REAR WHEEL ANTILOCK BRAKES
Component Page
Brake Fluid Level Switch.............. 8W-34-2
Brake Lamp Switch.................. 8W-34-3
Controller Antilock Brake............ 8W-34-2, 3
Data Link Connector................. 8W-34-2
Engine Control Module.............. 8W-34-2, 3
Fuse 6............................ 8W-34-2Component Page
Fuse 35............................ 8W-34-2
G104.............................. 8W-34-2
G201.............................. 8W-34-3
Integrated Power Module.............. 8W-34-2
Powertrain Control Module.......... 8W-34-2, 3
Wheel Speed Sensor-Rear.............. 8W-34-3
DR8W-34 REAR WHEEL ANTILOCK BRAKES 8W - 34 - 1

8W-35 ALL WHEEL ANTILOCK BRAKES
Component Page
Brake Fluid Level Switch.............. 8W-35-2
Brake Lamp Switch.................. 8W-35-3
Controller Antilock Brake............ 8W-35-2, 3
Data Link Connector................. 8W-35-2
Engine Control Module.............. 8W-35-2, 3
Fuse 6............................ 8W-35-2
Fuse 35............................ 8W-35-2Component Page
G104.............................. 8W-35-2
G201.............................. 8W-35-3
Integrated Power Module.............. 8W-35-2
Powertrain Control Module.......... 8W-35-2, 3
Wheel Speed Sensor-Left Front......... 8W-35-3
Wheel Speed Sensor-Rear.............. 8W-35-3
Wheel Speed Sensor-Right Front........ 8W-35-3
DR8W-35 ALL WHEEL ANTILOCK BRAKES 8W - 35 - 1

8W-42 AIR CONDITIONING
Component Page
A/C Compressor Clutch............... 8W-42-7
A/C Compressor Clutch Relay.......... 8W-42-7
A/C Pressure Transducer............ 8W-42-8, 9
A/C-Heater Control........... 8W-42-2, 3, 4, 5, 6
Blend Door Actuator.................. 8W-42-6
Blower Motor....................... 8W-42-2
Blower Motor Resistor Block........... 8W-42-2
Condenser Fan..................... 8W-42-10
Condenser Fan Relay................ 8W-42-10
Data Link Connector............. 8W-42-3, 4, 8
Driver Blend Door Actuator............ 8W-42-5
Engine Control Module.............. 8W-42-7, 9
EVAPorator Temperature Sensor........ 8W-42-4
Fuse 12........................... 8W-42-10
Fuse 16............................ 8W-42-7Component Page
Fuse 36.......................... 8W-42-3, 4
G104............................. 8W-42-10
G107.............................. 8W-42-7
G120.............................. 8W-42-7
G202.......................... 8W-42-2, 3, 4
Heated Mirror Relay............... 8W-42-3, 4
Ignition Switch...................... 8W-42-2
Instrument Cluster................... 8W-42-2
Integrated Power Module....... 8W-42-3, 4, 7, 10
Mode Door Actuator 1............... 8W-42-5, 6
Mode Door Actuator 2............... 8W-42-5, 6
Passenger Blend Door Actuator......... 8W-42-5
Powertrain Control Module........ 8W-42-7, 8, 10
PTCNo.1.......................... 8W-42-7
Recirculation Door Actuator.......... 8W-42-5, 6
DR8W-42 AIR CONDITIONING 8W - 42 - 1

Component Page
C315............................. 8W-80-39
C316 (Heated Seats)................. 8W-80-39
C316............................. 8W-80-40
C319............................. 8W-80-40
C319............................. 8W-80-40
C320............................. 8W-80-40
C320............................. 8W-80-41
C322 (Except Heated Seats)........... 8W-80-41
C322............................. 8W-80-41
C323 (Except Heated Seats)........... 8W-80-42
C323 (Except Heated Seats)........... 8W-80-42
C323 (Heated Seats)................. 8W-80-42
C323 (Heated Seats)................. 8W-80-43
C327 (Dual Rear Wheels)............. 8W-80-43
C327 (Dual Rear Wheels)............. 8W-80-43
C328 (Dual Rear Wheels)............. 8W-80-43
C328 (Dual Rear Wheels)............. 8W-80-44
Camshaft Position Sensor (NGC)....... 8W-80-44
Camshaft Position Sensor (Diesel)...... 8W-80-44
Capacitor (3.7L/4.7L)................ 8W-80-44
Center High Mounted Stop Lamp/cargo
Lamp.......................... 8W-80-45
Cigar Lighter Outlet................. 8W-80-45
Clearance Lamp No. 1 (Heavy Duty).... 8W-80-45
Clearance Lamp No. 2 (Heavy Duty).... 8W-80-45
Clearance Lamp No. 3 (Heavy Duty).... 8W-80-46
Clearance Lamp No. 4 (Heavy Duty).... 8W-80-46
Clearance Lamp No. 5 (Heavy Duty).... 8W-80-46
Clockspring C1..................... 8W-80-46
Clockspring C2..................... 8W-80-47
Clockspring C3..................... 8W-80-47
Clockspring C4..................... 8W-80-47
Clutch Interlock Brake Switch......... 8W-80-47
Coil On Plug No. 1 (3.7L/4.7L)......... 8W-80-47
Coil On Plug No. 1 (5.7L)............. 8W-80-48
Coil On Plug No. 2 (3.7L/4.7L)......... 8W-80-48
Coil On Plug No. 2 (5.7L)............. 8W-80-48
Coil On Plug No. 3 (3.7L/4.7L)......... 8W-80-48
Coil On Plug No. 3 (5.7L)............. 8W-80-49
Coil On Plug No. 4 (3.7L/4.7L)......... 8W-80-49
Coil On Plug No. 4 (5.7L)............. 8W-80-49
Coil On Plug No. 5 (3.7L/4.7L)......... 8W-80-49
Coil On Plug No. 5 (5.7L)............. 8W-80-50
Coil On Plug No. 6 (3.7L/4.7L)......... 8W-80-50
Coil On Plug No. 6 (5.7L)............. 8W-80-50
Coil On Plug No. 7 (4.7L)............. 8W-80-50
Coil On Plug No. 7 (5.7L)............. 8W-80-51
Coil On Plug No. 8 (4.7L)............. 8W-80-51
Coil On Plug No. 8 (5.7L)............. 8W-80-51
Compass/Mini-Trip Computer (Except
Base).......................... 8W-80-51
Condenser Fan (NGC)............... 8W-80-52
Controller Anitlock Brake C1.......... 8W-80-52
Controller Antilock Brake C2 (ABS)..... 8W-80-52Component Page
Crankshaft Position Sensor (3.7L)...... 8W-80-52
Crankshaft Position Sensor (4.7L)...... 8W-80-53
Crankshaft Position Sensor (5.7L)...... 8W-80-53
Crankshaft Position Sensor (Diesel)..... 8W-80-53
Cylinder Lock Switch-Driver (Premium) . . 8W-80-53
Data Link Connector................ 8W-80-53
Data Link Connector-Engine (Diesel).... 8W-80-54
Dome Lamp....................... 8W-80-54
Door Ajar Switch-Driver.............. 8W-80-54
Door Ajar Switch-Left Rear........... 8W-80-54
Door Ajar Switch-Passenger........... 8W-80-55
Door Ajar Switch-Right Rear.......... 8W-80-55
Door Lock Motor/Ajar Switch-Driver.... 8W-80-55
Door Lock Motor/Ajar Switch-Left Rear . . 8W-80-55
Door Lock Motor/Ajar Switch-Passenger . 8W-80-56
Door Lock Motor/Ajar Switch-Right Rear . 8W-80-56
Door Lock Switch-Passenger........... 8W-80-56
Driver Blend Door Actuator (Dual Zone) . 8W-80-56
Driver Door Module C1.............. 8W-80-57
Driver Door Module C2.............. 8W-80-57
EGR Solenoid (4.7L/5.7L)............. 8W-80-57
Electric Brake Provision.............. 8W-80-58
Electric Throttle Control Module....... 8W-80-58
Engine Control Module C1 (Diesel)..... 8W-80-58
Engine Control Module C2 (Diesel)..... 8W-80-60
Engine Coolant Temperature Sensor
(Diesel)......................... 8W-80-61
Engine Coolant Temperature Sensor
(Gas)........................... 8W-80-61
Engine Oil Pressure Switch........... 8W-80-61
EVAP/Purge Solenoid (NGC).......... 8W-80-61
Evaporator Temperature Sensor........ 8W-80-62
Fender Lamp-Front Left (Dual Rear
Wheels)......................... 8W-80-62
Fender Lamp-Front Right (Dual Rear
Wheels)......................... 8W-80-62
Fender Lamp-Rear Left (Dual Rear
Wheels)......................... 8W-80-62
Fender Lamp-Rear Right (Dual Rear
Wheels)......................... 8W-80-62
Fog Lamp-Left..................... 8W-80-63
Fog Lamp-Right.................... 8W-80-63
Fuel Control Actuator (Diesel)......... 8W-80-63
Fuel Heater (Diesel)................. 8W-80-63
Fuel Injector No. 1 (Gas)............. 8W-80-63
Fuel Injector No. 2 (Gas)............. 8W-80-64
Fuel Injector No. 3 (Gas)............. 8W-80-64
Fuel Injector No. 4 (Gas)............. 8W-80-64
Fuel Injector No. 5 (Gas)............. 8W-80-64
Fuel Injector No. 6 (Gas)............. 8W-80-65
Fuel Injector No. 7 (Gas)............. 8W-80-65
Fuel Injector No. 8 (Gas)............. 8W-80-65
Fuel Injector Pack No. 1 (Diesel)....... 8W-80-65
Fuel Injector Pack No. 2 (Diesel)....... 8W-80-66
Fuel Injector Pack No. 3 (Diesel)....... 8W-80-66
8W - 80 - 2 8W-80 CONNECTOR PIN-OUTSDR

BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K32 18DB/YL BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID
CONTROL
2 Z101 18BK/VT GROUND
C102 (NGC) - (AMBIENT TEMPERATURE SEN-
SOR SIDE)
CAV CIRCUIT
1 G31 20VT/LG
2 K900 20DB/DG
C103 - (HEADLAMP AND DASH SIDE)
CAV CIRCUIT
1 Z470 20BK/LB
2 A114 18GY/RD
C106 (5.7L A/T) - (ENGINE SIDE)
CAV CIRCUIT
1 K11 18BR/YL
2 K12 18BR/DB
3 K13 18BR/LB
4 K14 18BR/TN
5 K38 18BR/OR
6 K58 18BR/VT
7 K26 18BR/YL
8 K28 18BR/LB
9 K19 18DB/DG
10 K17 18DB/TN
11 K18 18DB/OR
12 K15 18DB/GY
13 K16 18DB/YL
14 K10 18DB/OR
15 K97 18BR
16 K98 18DB/YL
8W - 80 - 14 8W-80 CONNECTOR PIN-OUTSDR

C106 (5.7L A/T) - (INTAKE AIR FUEL MODULE
SIDE)
CAV CIRCUIT
1 K11 18BR/YL
2 K12 18BR/DB
3 K13 18BR/LB
4 K14 18BR/TN
5 K38 18BR/OR
6 K58 18BR/VT
7 K26 18BR/YL
8 K28 18BR/LB
9 K19 18DB/DG
10 K17 18DB/TN
11 K18 18DB/OR
12 K15 18DB/GY
13 K16 18DB/YL
14 K10 18DB/OR
15 K97 18BR
16 K98 18DB/YL
C107 (5.7L) - BLACK (ENGINE SIDE)
CAV CIRCUIT
1 K900 18DB/DG
2 K1 18VT/BR
3 K21 18DB/LG
4 K922 18BR/DB
5 F856 18YL/PK
6 K447 18TN/YL
7 K342 16BR/WT
8 F855 18PK/YL
9 K2 18VT/OR
10 K122 18BR/DG
11 K22 18BR/OR
12 -
13 K448 18TN/OR
14 K342 16BR/WT
DR8W-80 CONNECTOR PIN-OUTS 8W - 80 - 15

C107 (5.7L) - BLACK (INTAKE AIR FUEL MOD-
ULE SIDE)
CAV CIRCUIT
1 K900 18DB/DG
2 K1 18VT/BR
3 K21 18DB/LG
4 K922 18BR/DB
5 F856 18YL/PK
6 K447 18TN/YL
7 K342 16BR/WT
8 F855 18PK/YL
9 K2 18VT/OR
10 K122 18BR/DG
11 K22 18BR/OR
12 -
13 K448 18TN/OR
14 K342 16BR/WT
C108 (DIESEL) - BLACK (ENGINE SIDE)
CAV CIRCUIT
1 B22 18DG/YL
2 C13 18LB/OR
3 A961 14RD
4 K25 18DB/VT
5 N4 18DB/WT
6 D25 18WT/VT
7-
8 V32 18VT/YL (M/T)
9 K174 18BR/YL
10 -
11 K176 18BR/OR
12 K23 18BR/WT (M/T)
13 K852 18BR/VT (M/T)
14 K167 18BR/YL (M/T)
C108 (DIESEL) - BLACK (TRANSMISSION SIDE)
CAV CIRCUIT
1 B22 20DG/YL
2 C13 20LB/OR
3 A961 14RD
4 K25 18DB/VT
5 N4 18DB/WT
6 D25 20WT/VT
7-
8 V32 20VT/YL (M/T)
9 K174 18BR/YL
10 -
11 K176 18BR/OR
12 K23 20BR/WT (M/T)
13 K852 20BR/LB (M/T)
14 K167 20BR/YL (M/T)
8W - 80 - 16 8W-80 CONNECTOR PIN-OUTSDR