2002 DODGE RAM ignition

8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch Relay.... 8W-30-14, 38, 39
A/C High Pressure Switch.......... 8W-30-14, 39
A/C Low Pressure Switch.......... 8W-30-14, 39
A/C-Heater Control............... 8W-30-14, 39
Accelerator Pedal Position Sensor....... 8W-30-30
Airbag Control Module............ 8W-30-15, 40
Automatic Shut Down Relay..... 8W-30-3, 17, 18,
19, 22, 23, 24, 25, 26, 27, 28
Battery........................... 8W-30-35
Battery Temperature Sensor............ 8W-30-4
Brake Lamp Switch.............. 8W-30-8, 7, 37
Camshaft Position Sensor........... 8W-30-5, 32
Capacitor......................... 8W-30-28
Central Timer Module............. 8W-30-15, 40
Clockspring...................... 8W-30-7, 34
Controller Antilock Brake.... 8W-30-13, 15, 38, 40
Crankshaft Position Sensor............ 8W-30-13
Cummins Bus...................... 8W-30-29
Data Link Connector...... 8W-30-2, 15, 16, 40, 41
Daytime Running Lamp Module........ 8W-30-38
Engine Control Module . . 8W-30-3, 7, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, 41
Engine Coolant Temperature Sensor . . . 8W-30-9, 34
Engine Oil Pressure Sensor......... 8W-30-13, 33
EVAP/Purge Solenoid................ 8W-30-13
Fuel Heater........................ 8W-30-36
Fuel Heater Relay................... 8W-30-36
Fuel Injection Pump.............. 8W-30-31, 37
Fuel Injector No. 1............... 8W-30-23, 26
Fuel Injector No. 2............... 8W-30-24, 27
Fuel Injector No. 3............... 8W-30-23, 26
Fuel Injector No. 4............... 8W-30-24, 27
Fuel Injector No. 5............... 8W-30-23, 26
Fuel Injector No. 6............... 8W-30-24, 27
Fuel Injector No. 7............... 8W-30-23, 26
Fuel Injector No. 8............... 8W-30-24, 27
Fuel Injector No. 9.................. 8W-30-26
Fuel Injector No. 10................. 8W-30-27
Fuel Pump Module.................. 8W-30-12
Fuel Pump Relay......... 8W-30-3, 11, 12, 31, 37
Fuel Tank Module................... 8W-30-42
Fuel Transfer Pump................. 8W-30-34
Fuse 3 (PDC)............... 8W-30-2, 11, 29, 37
Fuse 6 (PDC)....................... 8W-30-3
Fuse 7 (PDC)...................... 8W-30-36
Fuse 9 (JB)................. 8W-30-2, 3, 11, 36
Fuse 11 (JB)................. 8W-30-13, 36, 39
Fuse 12 (JB).................... 8W-30-16, 41
Fuse K (PDC)........... 8W-30-17, 18, 19, 20, 22
Fusible Link....................... 8W-30-35
G100............................. 8W-30-12
G102.......................... 8W-30-36, 37Component Page
G105..................... 8W-30-2, 16, 20, 21
G107.......................... 8W-30-34, 36
G113 .......................... 8W-30-14, 34
G200.......................... 8W-30-16, 37
Generator...................... 8W-30-13, 38
Idle Air Control Motor................ 8W-30-9
Ignition Coil....................... 8W-30-25
Ignition Coil 4 Pack................. 8W-30-28
Ignition Coil 6 Pack................. 8W-30-28
Instrument Cluster............ 8W-30-15, 34, 40
Intake Air Heater................... 8W-30-35
Intake Air Heater Relay No. 1......... 8W-30-35
Intake Air Heater Relay No. 2......... 8W-30-35
Intake Air Temperature Sensor...... 8W-30-10, 32
Joint Connector No. 1....... 8W-30-4, 7, 8, 12, 36,
37, 38, 42
Joint Connector No. 2 . . . 8W-30-2, 3, 11, 17, 18, 19,
22, 23, 24, 25, 26, 27, 28, 29, 35, 37
Joint Connector No. 5............. 8W-30-16, 41
Joint Connector No. 7............. 8W-30-15, 40
Junction Block . . . 8W-30-2, 3, 11, 13, 16, 36, 39, 41
Leak Detection Pump................. 8W-30-8
Left Speed Control Switch............. 8W-30-7
Manifold Absolute Pressure Sensor . . . 8W-30-10, 33
Output Speed Sensor................. 8W-30-5
Overdrive Switch.................... 8W-30-6
Overhead Console................ 8W-30-15, 40
Oxygen Sensor 1/1 Left Bank Up.... 8W-30-18, 20,
21, 22
Oxygen Sensor 1/1 Upstream.......... 8W-30-17
Oxygen Sensor 1/2 Downstream........ 8W-30-17
Oxygen Sensor 1/2 Left Bank Down..... 8W-30-20
Oxygen Sensor 1/2 Pre- Catalyst........ 8W-30-21
Oxygen Sensor 1/3 Post- Catalyst....... 8W-30-21
Oxygen Sensor 2/1 Right Bank Up . . . 8W-30-18, 20,
21, 22
Oxygen Sensor 2/2 Right Bank Down.... 8W-30-20
Oxygen Sensor Downstream Relay . . . 8W-30-19, 21
Park/Neutral Position Switch....... 8W-30-13, 38
Power Distribution Center . . 8W-30-2, 3, 11, 17, 18,
19, 22, 23, 24, 25, 26, 27, 28, 29, 36, 37
Powertrain Control Module . . 8W-30-2, 3, 4, 5, 6, 7,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, 26, 27, 28, 36, 37, 38, 39, 40, 41, 42
PTO Switch..................... 8W-30-14, 34
Radio.......................... 8W-30-15, 40
Right Speed Control Switch............ 8W-30-7
Speed Control Servo.................. 8W-30-5
Throttle Position Sensor.............. 8W-30-14
Transmission Control Relay............ 8W-30-5
Transmission Solenoid Assembly . . . 8W-30-6, 14, 39
Water In Fuel Sensor................ 8W-30-34
BR/BE8W-30 FUEL/IGNITION SYSTEM 8W - 30 - 1

8W-44 INTERIOR LIGHTING
Component Page
Ash Receiver Lamp................... 8W-44-6
Cargo Lamp No. 1.................... 8W-44-4
Cargo Lamp No. 2.................... 8W-44-4
Central Timer Module................. 8W-44-5
Cup Holder Lamp.................... 8W-44-6
Data Link Connector................. 8W-44-2
Dome Lamp........................ 8W-44-4
Fuse 5 (JB)......................... 8W-44-6
Fuse 11 (JB)........................ 8W-44-5
Fuse 12 (JB)...................... 8W-44-2, 3
G100.............................. 8W-44-2
G200.............................. 8W-44-3
G201.......................... 8W-44-2, 4, 6Component Page
Glove Box Lamp And Switch............ 8W-44-2
Headlamp Switch................ 8W-44-4, 5, 6
Ignition Switch...................... 8W-44-5
Joint Connector No. 5............... 8W-44-2, 6
Joint Connector No. 6................. 8W-44-5
Joint Connector No. 8........... 8W-44-3, 4, 5, 6
Junction Block............... 8W-44-2, 3, 4, 5, 6
Left Visor/Vanity Lamp................ 8W-44-2
Overhead Console.................... 8W-44-3
Power Mirror Switch.................. 8W-44-4
Radio............................ 8W-44-2, 6
Right Visor/Vanity Lamp............... 8W-44-2
Underhood Lamp.................... 8W-44-2
BR/BE8W-44 INTERIOR LIGHTING 8W - 44 - 1

8W-45 CENTRAL TIMER MODULE
Component Page
Central Timer Module . . 8W-45-2, 3, 4, 6, 7, 8, 9, 10
Clockspring......................... 8W-45-7
Data Link Connector................. 8W-45-2
Driver Cylinder Lock Switch............ 8W-45-6
Driver Door Ajar Switch............ 8W-45-7, 10
Driver Door Lock Motor............... 8W-45-6
Driver Door Window/Lock Switch........ 8W-45-5
Fuse 6 (JB)....................... 8W-45-8, 9
Fuse 11 (JB)...................... 8W-45-2, 8
Fuse 13 (JB)...................... 8W-45-5, 8
Fuse G (PDC)....................... 8W-45-3
Fuse H (PDC)....................... 8W-45-4
G100............................ 8W-45-4, 9
G102.............................. 8W-45-3
G200.............................. 8W-45-8
G201.............................. 8W-45-2
G300......................... 8W-45-6, 7, 10
Headlamp Switch............. 8W-45-2, 7, 8, 10
Heated Seat Relay................... 8W-45-7
High Note Horn..................... 8W-45-4
Horn Relay......................... 8W-45-4
Ignition Switch................. 8W-45-7, 8, 10Component Page
Instrument Cluster................... 8W-45-8
Intermittent Wiper Switch............. 8W-45-9
Joint Connector No. 1............... 8W-45-3, 4
Joint Connector No. 2................. 8W-45-9
Joint Connector No. 5................. 8W-45-2
Joint Connector No. 6........ 8W-45-4, 7, 8, 9, 10
Joint Connector No. 7................. 8W-45-2
Joint Connector No. 8............ 8W-45-7, 8, 10
Junction Block............... 8W-45-2, 5, 7, 8, 9
Left Outboard Headlamp.............. 8W-45-3
Low Note Horn...................... 8W-45-4
Overhead Console.................... 8W-45-6
Passenger Cylinder Lock Switch......... 8W-45-6
Passenger Door Ajar Switch........... 8W-45-10
Passenger Door Lock Motor............ 8W-45-6
Passenger Door Window/Lock Switch . . . 8W-45-5, 6
Power Distribution Center........... 8W-45-3, 4
Right Outboard Headlamp............. 8W-45-3
Security Relay....................... 8W-45-3
Wiper Motor........................ 8W-45-9
Wiper Motor Relay................... 8W-45-9
BR/BE8W-45 CENTRAL TIMER MODULE 8W - 45 - 1

8W-50 FRONT LIGHTING
Component Page
Cargo Lamp No. 1.................... 8W-50-2
Cargo Lamp No. 2.................... 8W-50-2
Center Identification Lamp............. 8W-50-8
Central Timer Module................. 8W-50-2
Daytime Running Lamp Module.... 8W-50-6, 9, 11,
12, 13
Fog Lamp Relay............. 8W-50-6, 10, 11, 12
Fuse 5 (JB)......................... 8W-50-3
Fuse 7 (JB)........................ 8W-50-12
Fuse 14 (JB)...................... 8W-50-6, 9
Fuse B (PDC)....................... 8W-50-4
Fuse C (PDC)....................... 8W-50-4
Fuse E (PDC)....................... 8W-50-5
Fuse F (PDC).................. 8W-50-3, 10, 11
Fuse G (PDC)................ 8W-50-10, 11, 12
G100........................... 8W-50-7, 12
G102........................... 8W-50-5, 13
G201.................. 8W-50-2, 4, 6, 9, 10, 11
G302.............................. 8W-50-8
Headlamp Beam Select Switch...... 8W-50-4, 6, 9,
10, 13
Headlamp Switch........... 8W-50-2, 3, 4, 10, 11
Ignition Switch...................... 8W-50-3
Instrument Cluster............ 8W-50-2, 6, 9, 13Component Page
Joint Connector No. 1............ 8W-50-4, 5, 13
Joint Connector No. 5........... 8W-50-3, 10, 11
Joint Connector No. 6............... 8W-50-2, 3
Joint Connector No. 8............... 8W-50-2, 3
Junction Block.......... 8W-50-2, 3, 6, 7, 8, 9, 12
Left Fog Lamp................... 8W-50-10, 11
Left Headlamp...................... 8W-50-5
Left Outboard Clearance Lamp.......... 8W-50-8
Left Outboard Headlamp............ 8W-50-4, 6
Left Outboard Identification Lamp....... 8W-50-8
Left Park/Turn Signal Lamp............ 8W-50-7
Overhead Console.................... 8W-50-2
Park Brake Switch.................. 8W-50-12
Power Distribution Center...... 8W-50-3, 4, 5, 10,
11 , 1 2
Quad High Beam Relay........... 8W-50-5, 6, 13
Right Fog Lamp................. 8W-50-10, 11
Right Headlamp..................... 8W-50-5
Right Outboard Clearance Lamp........ 8W-50-8
Right Outboard Headlamp........... 8W-50-4, 6
Right Outboard Identification Lamp...... 8W-50-8
Right Park/Turn Signal Lamp........... 8W-50-7
Security Relay...................... 8W-50-13
Trailer Tow Relay.................... 8W-50-7
BR/BE8W-50 FRONT LIGHTING 8W - 50 - 1

8W-52 TURN SIGNALS
Component Page
Aftermarket Trailer Tow Connector...... 8W-52-4
Brake Lamp Switch.................. 8W-52-2
Combination Flasher................. 8W-52-2
Fuse 4 (PDC)....................... 8W-52-2
Fuse 10 (JB)........................ 8W-52-2
G100............................ 8W-52-3, 4
G201.............................. 8W-52-2
Headlamp Switch.................... 8W-52-3
Ignition Switch...................... 8W-52-2Component Page
Joint Connector No. 6................. 8W-52-2
Junction Block.................... 8W-52-2, 3
Left Park/Turn Signal Lamp............ 8W-52-3
Left Tail/Stop/Turn Signal Lamp......... 8W-52-4
Power Distribution Center............. 8W-52-2
Right Park/Turn Signal Lamp........... 8W-52-3
Right Tail/Stop/Turn Signal Lamp....... 8W-52-4
Trailer Tow Connector................. 8W-52-4
Turn Signal/Hazard Switch......... 8W-52-2, 3, 4
BR/BE8W-52 TURN SIGNALS 8W - 52 - 1

Component Page
Clutch Pedal Position Switch (M/T)..... 8W-80-35
Controller Antilock Brake C1.......... 8W-80-35
Controller Antilock Brake C2 (ABS)..... 8W-80-35
Crankshaft Position Sensor (Gas 8.0L) . . . 8W-80-36
Crankshaft Position Sensor
(Gas Except 8.0L)................. 8W-80-36
Cummins Bus (Diesel)............... 8W-80-36
Cup Holder Lamp................... 8W-80-36
Data Link Connector................. 8W-80-36
Daytime Running Lamp Module........ 8W-80-37
Dome Lamp....................... 8W-80-37
Driver Airbag...................... 8W-80-37
Driver Cylinder Lock Switch........... 8W-80-37
Driver Door Ajar Switch (Base)......... 8W-80-38
Driver Door Ajar Switch (Premium)..... 8W-80-38
Driver Door Lock Motor.............. 8W-80-38
Driver Door Window/Lock Switch....... 8W-80-38
Driver Heated Seat Cushion........... 8W-80-38
Driver Heated Seat Switch............ 8W-80-39
Driver Lumbar Motor................ 8W-80-39
Driver Power Seat Front Vertical Motor
(Club Cab)....................... 8W-80-39
Driver Power Seat Front Vertical Motor
(Standard Cab)................... 8W-80-39
Driver Power Seat Horizontal Motor
(Club Cab)....................... 8W-80-39
Driver Power Seat Horizontal Motor
(Standard Cab)................... 8W-80-40
Driver Power Seat Rear Vertical Motor
(Club Cab)....................... 8W-80-40
Driver Power Seat Rear Vertical Motor
(Standard Cab)................... 8W-80-40
Driver Power Seat Switch (Club Cab).... 8W-80-40
Driver Power Seat Switch
(Standard Cab)................... 8W-80-41
Driver Power Window Motor........... 8W-80-41
Electric Brake Provision.............. 8W-80-41
Engine Control Module (Diesel)........ 8W-80-41
Engine Coolant Temperature Sensor
(Diesel)......................... 8W-80-42
Engine Coolant Temperature Sensor
(Gas)........................... 8W-80-43
Engine Oil Pressure Sensor (Diesel)..... 8W-80-43
Engine Oil Pressure Sensor (Gas)....... 8W-80-43
EVAP/Purge Solenoid................ 8W-80-43
Front Washer Pump................. 8W-80-43
Fuel Heater (Diesel)................. 8W-80-43
Fuel Injection Pump (Diesel)........... 8W-80-44
Fuel Injector No. 1.................. 8W-80-44
Fuel Injector No. 2.................. 8W-80-44
Fuel Injector No. 3.................. 8W-80-44
Fuel Injector No. 4.................. 8W-80-44
Fuel Injector No. 5.................. 8W-80-45
Fuel Injector No. 6.................. 8W-80-45
Fuel Injector No. 7 (5.2L/5.9L/8.0L)..... 8W-80-45Component Page
Fuel Injector No. 8 (5.2L/5.9L/8.0L)..... 8W-80-45
Fuel Injector No. 9 (8.0L)............. 8W-80-45
Fuel Injector No. 10 (8.0L)............ 8W-80-46
Fuel Pump Module (Gas)............. 8W-80-46
Fuel Tank Module (Diesel)............ 8W-80-46
Fuel Transfer Pump (Diesel)........... 8W-80-46
G300............................. 8W-80-46
Generator......................... 8W-80-47
Glove Box Lamp And Switch........... 8W-80-47
Headlamp Switch C1................ 8W-80-47
Headlamp Switch C2................ 8W-80-47
Heated Mirror Switch................ 8W-80-48
High Note Horn.................... 8W-80-48
Idle Air Control Motor................ 8W-80-48
Ignition Coil (3.9L/5.2L/5.9L).......... 8W-80-48
Ignition Coil 4 Pack (8.0L)............ 8W-80-48
Ignition Coil 6 Pack (8.0L)............ 8W-80-49
Ignition Switch C1.................. 8W-80-49
Ignition Switch C2.................. 8W-80-49
Instrument Cluster C1............... 8W-80-49
Instrument Cluster C2............... 8W-80-50
Intake Air Heater Relays (Diesel)....... 8W-80-50
Intake Air Temperature Sensor (Diesel) . . 8W-80-50
Intake Air Temperature Sensor (Gas).... 8W-80-50
Joint Connector No. 1 (In PDC)........ 8W-80-50
Joint Connector No. 2 (In PDC)........ 8W-80-51
Joint Connector No. 5................ 8W-80-52
Joint Connector No. 6................ 8W-80-52
Joint Connector No. 7................ 8W-80-53
Joint Connector No. 8................ 8W-80-53
Junction Block C1................... 8W-80-54
Junction Block C2................... 8W-80-54
Junction Block C3................... 8W-80-54
Junction Block C4................... 8W-80-55
Junction Block C5................... 8W-80-55
Junction Block C6................... 8W-80-55
Junction Block C7................... 8W-80-55
Junction Block C8................... 8W-80-56
Junction Block C9................... 8W-80-56
Leak Detection Pump (Gas)........... 8W-80-56
Left Back-Up Lamp.................. 8W-80-57
Left Fog Lamp..................... 8W-80-57
Left Front Door Speaker (Premium)..... 8W-80-57
Left Front Door Speaker (Standard)..... 8W-80-57
Left Front Fender Lamp
(Dual Rear Wheels)................ 8W-80-57
Left Front Wheel Speed Sensor (ABS) . . . 8W-80-58
Left Headlamp..................... 8W-80-58
Left License Lamp.................. 8W-80-58
Left Outboard Clearance Lamp......... 8W-80-58
Left Outboard Headlamp............. 8W-80-58
Left Outboard Identification Lamp...... 8W-80-59
Left Park/Turn Signal Lamp........... 8W-80-59
Left Power Mirror................... 8W-80-59
8W - 80 - 2 8W-80 CONNECTOR PIN-OUTSBR/BE

4WD SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G107 18BK/GY 4WD SWITCH SENSE
2 Z1 18BK GROUND
A/C COMPRESSOR CLUTCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 C3 18DB/BK A/C COMPRESSOR CLUTCH RELAY OUTPUT
2 Z11 18BK/WT GROUND
A/C-HEATER CONTROL - BLACK 7 WAY
CAV CIRCUIT FUNCTION
1 Z3 12BK/OR GROUND
2 C7 12BK/TN HIGH SPEED BLOWER MOTOR CONTROL
3 C6 14LB M2 SPEED BLOWER MOTOR CONTROL
4 C5 16LG M1 SPEED BLOWER MOTOR CONTROL
5 C4 16TN LOW SPEED BLOWER MOTOR CONTROL
6 C90 22LG/WT A/C SELECT INPUT
7 E2 22OR PANEL LAMPS FEED
A/C HEATER TEMPERATURE SELECT-5WAY
CAV CIRCUIT FUNCTION
1- -
2 Z2 22BK/LG GROUND
3 C82 22YL/OR TEMPERATURE SELECT
4 F15 22DB FUSED IGNITION SWITCH OUTPUT (RUN)
5- -
A/C HIGH PRESSURE SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 C90 18LG/WT A/C SELECT INPUT
2 C22 18DB A/C SWITCH SENSE
8W - 80 - 4 8W-80 CONNECTOR PIN-OUTSBR/BE

A/C LOW PRESSURE SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 C20 18BR A/C SWITCH SENSE
2 C22 18DB A/C SWITCH SENSE
ACCELERATOR PEDAL POSITION SENSOR (DIESEL)-6WAY
CAV CIRCUIT FUNCTION
1 K104 18BK/LB SENSOR GROUND
2 H105 18LG/DB IDLE VALIDATION SWITCH NO. 2
3 H102 18LB/BK ACCELERATOR PEDAL POSITION SENSOR SIGNAL
4 H103 18BK/YL ACCELERATOR PEDAL POSITION SENSOR GROUND
5 H101 18DB/WT ACCELERATOR PEDAL POSITION SENSOR SUPPLY
6 H104 18BR/OR IDLE VALIDATION SWITCH NO. 1
AFTERMARKET TRAILER TOW CONNECTOR-7WAY
CAV CIRCUIT FUNCTION
1 Z13 12BK GROUND
2 B40 12LB TRAILER TOW BRAKE B(+)
3 L76 12BK/OR TRAILER TOW RELAY OUTPUT
4 A6 12RD/OR FUSED B(+)
5 L63 16DG/RD LEFT TURN SIGNAL
6 L62 16BR/RD RIGHT TURN SIGNAL
7 L1 18VT/BK BACK-UP LAMP FEED
AIRBAG CONTROL MODULE - 23 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 Z6 18BK/PK GROUND
5 R43 18BK/LB DRIVER AIRBAG LINE 2
6 R45 18DG/LB DRIVER AIRBAG LINE 1
7 R142 18BR/YL PASSENGER AIRBAG LINE 1
8 R144 18VT/YL PASSENGER AIRBAG LINE 2
9- -
10 - -
11 - -
12 - -
13 - -
14 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
15 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
16 - -
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 5