relay DODGE RAM 2002 Service Owners Manual

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-47 AUDIO SYSTEM
Component Page
Central Timer Module.................8w-47-4
Clockspring.........................8w-47-4
Data Link Connector..................8w-47-2
Fuse 4 (JB).........................8w-47-7
Fuse 5 (JB).........................8w-47-3
Fuse 8 (JB).........................8w-47-2
Fuse 12 (JB)........................8w-47-2
Fuse F (PDC)........................8w-47-3
G100........................8w-47-2, 4, 7, 8
Headlamp Switch....................8w-47-3
Instrument Cluster...................8w-47-3
Joint Connector No. 5...............8w-47-2, 3
Joint Connector No. 6.............8w-47-4, 7, 8
Joint Connector No. 7...............8w-47-2, 4Component Page
Joint Connector No. 8.................8w-47-3
Junction Block...................8w-47-2, 3, 7
Left Front Door Speaker.........8w-47-5, 7, 8, 9
Left Rear Speaker..................8w-47-6, 9
Left Remote Radio Switch..............8w-47-4
Left Tweeter........................8w-47-8
Power Distribution Center..............8w-47-3
Radio................8w-47-2, 3, 4, 5, 6, 7, 8, 9
Radio Choke Relay.................8w-47-7, 8
Right Front Door Speaker........8w-47-5, 7, 8, 9
Right Rear Speaker.................8w-47-6, 9
Right Remote Radio Switch.............8w-47-4
Right Tweeter.......................8w-47-8
BR/BE8W-47 AUDIO SYSTEM 8W - 47 - 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-53 WIPERS
Component Page
Central Timer Module............... 8W-53-2, 3
Fuse 6 (JB)......................... 8W-53-3
G100............................ 8W-53-2, 3
Intermittent Wiper Switch............. 8W-53-2
Joint Connector No. 2................. 8W-53-3Component Page
Joint Connector No. 6................. 8W-53-2
Junction Block...................... 8W-53-3
Windshield Washer Pump.............. 8W-53-2
Wiper Motor...................... 8W-53-2, 3
Wiper Motor Relay................. 8W-53-2, 3
BR/BE8W-53 WIPERS 8W - 53 - 1

8W-54 TRAILER TOW
Component Page
Aftermarket Trailer Tow Connector . . 8W-54-2, 3, 4
Back-Up Lamp Switch................ 8W-54-3
Brake Lamp Switch.................. 8W-54-3
Electric Brake Provision............... 8W-54-3
Fuse 5 (PDC)....................... 8W-54-3
Fuse 8 (PDC)..................... 8W-54-2, 3
G100.............................. 8W-54-4
G102.............................. 8W-54-2
G201.............................. 8W-54-3Component Page
Headlamp Switch.................... 8W-54-2
Joint Connector No. 1............... 8W-54-2, 3
Joint Connector No. 2............... 8W-54-2, 3
Joint Connector No. 6................. 8W-54-3
Park/Neutral Position Switch........... 8W-54-3
Power Distribution Center........... 8W-54-2, 3
Trailer Tow Connector............. 8W-54-2, 3, 4
Trailer Tow Relay.................... 8W-54-2
Turn Signal/Hazard Switch............. 8W-54-4
BR/BE8W-54 TRAILER TOW 8W - 54 - 1

8W-62 POWER MIRRORS
Component Page
G201.............................. 8W-62-3
G300............................ 8W-62-2, 3
Heated Mirror Relay.................. 8W-62-3
Heated Mirror Switch................. 8W-62-3Component Page
Joint Connector No. 5................. 8W-62-3
Left Power Mirror.................. 8W-62-2, 3
Power Mirror Switch.................. 8W-62-2
Right Power Mirror................. 8W-62-2, 3
BR/BE8W-62 POWER MIRRORS 8W - 62 - 1

8W-63 POWER SEATS
Component Page
Circuit Breaker 2.................. 8W-63-2, 3
Driver Heated Seat Cushion.......... 8W-63-6, 8
Driver Heated Seat Switch............. 8W-63-5
Driver Lumbar Motor................. 8W-63-3
Driver Power Seat Front Vertical
Motor......................... 8W-63-2, 3
Driver Power Seat Horizontal Motor.... 8W-63-2, 3
Driver Power Seat Rear Vertical Motor . . 8W-63-2, 3
Driver Power Seat Switch............ 8W-63-2, 3
Fuse 1 (JB)....................... 8W-63-5, 7
Fuse 2 (JB)....................... 8W-63-5, 7
G201............................ 8W-63-5, 7
G300........................ 8W-63-3, 4, 6, 8
G301.............................. 8W-63-2Component Page
Heated Seat Relay................. 8W-63-5, 7
Joint Connector No. 5............... 8W-63-5, 7
Joint Connector No. 8............... 8W-63-5, 7
Junction Block................ 8W-63-2, 3, 5, 7
Passenger Heated Seat Cushion..... 8W-63-4, 6, 8
Passenger Heated Seat Switch.......... 8W-63-7
Passenger Lumbar Motor.............. 8W-63-4
Passenger Power Seat Front Vertical
Motor........................... 8W-63-4
Passenger Power Seat Horizontal Motor . . . 8W-63-4
Passenger Power Seat Rear Vertical
Motor........................... 8W-63-4
Passenger Power Seat Switch........... 8W-63-4
Seat Heat Interface Module...... 8W-63-5, 6, 7, 8
BR/BE8W-63 POWER SEATS 8W - 63 - 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

Component Page
Left Rear Fender Lamp
(Dual Rear Wheels)................ 8W-80-59
Left Rear Speaker (Premium 2 Door).... 8W-80-59
Left Rear Speaker (Premium 4 Door).... 8W-80-60
Left Rear Speaker (Standard 2 Door).... 8W-80-60
Left Rear Speaker (Standard 4 Door).... 8W-80-60
Left Remote Radio Switch............. 8W-80-60
Left Speed Control Switch............ 8W-80-60
Left Tail/Stop/Turn Signal Lamp........ 8W-80-61
Left Tweeter (Premium).............. 8W-80-61
Left Visor/Vanity Lamp............... 8W-80-61
Low Note Horn..................... 8W-80-61
Manifold Absolute Pressure Sensor
(3.9L/5.2L/5.9L)................... 8W-80-61
Manifold Absolute Pressure Sensor
(8.0L).......................... 8W-80-62
Manifold Air Pressure Sensor (Diesel).... 8W-80-62
Multi-Function Switch............... 8W-80-62
Output Speed Sensor................ 8W-80-63
Overdrive Switch................... 8W-80-63
Overhead Console (Base).............. 8W-80-63
Overhead Console (Highline)........... 8W-80-63
Oxygen Sensor 1/1 Left Bank Up
(5.9L HD/8.0L)................... 8W-80-63
Oxygen Sensor 1/1 Left Bank Up
(California)...................... 8W-80-64
Oxygen Sensor 1/1 Upstream
(A/T Except 8.0L)................. 8W-80-64
Oxygen Sensor 1/1 Upstream
(M/T Except 8.0L)................. 8W-80-64
Oxygen Sensor 1/2 Downstream
(3.9L/5.2L)....................... 8W-80-64
Oxygen Sensor 1/2 Left Bank Down
(California)...................... 8W-80-64
Oxygen Sensor 1/2 Pre-Catalyst (8.0L) . . . 8W-80-65
Oxygen Sensor 1/3 Post Catalyst (8.0L) . . 8W-80-65
Oxygen Sensor 2/1 Right Bank Up (5.9l HD)
(5.2L/5.9L/8.0L California).......... 8W-80-65
Oxygen Sensor 2/2 Right Bank Down
(California)...................... 8W-80-65
Park/Neutral Position Switch (A/T)...... 8W-80-65
Passenger Airbag................... 8W-80-66
Passenger Airbag On/Off Switch C1..... 8W-80-66
Passenger Airbag On/Off Switch C2..... 8W-80-66
Passenger Cylinder Lock Switch........ 8W-80-66
Passenger Door Ajar Switch........... 8W-80-66
Passenger Door Lock Motor........... 8W-80-66
Passenger Door Window/Lock Switch.... 8W-80-67
Passenger Heated Seat Cushion........ 8W-80-67
Passenger Heated Seat Switch......... 8W-80-67
Passenger Lumbar Motor............. 8W-80-67
Passenger Power Seat Front Vertical Motor
(Club Cab)....................... 8W-80-68
Passenger Power Seat Horizontal Motor
(Club Cab)....................... 8W-80-68Component Page
Passenger Power Seat Rear Vertical Motor
(Club Cab)....................... 8W-80-68
Passenger Power Seat Switch (Club Cab) . 8W-80-68
Passenger Power Window Motor........ 8W-80-68
Power Mirror Switch................. 8W-80-69
Power Outlet....................... 8W-80-69
Powertrain Control Module C1 (Diesel) . . . 8W-80-69
Powertrain Control Module C1 (Gas).... 8W-80-70
Powertrain Control Module C2 (Diesel) . . . 8W-80-71
Powertrain Control Module C2 (Gas).... 8W-80-71
Powertrain Control Module C3 (Diesel) . . . 8W-80-72
Powertrain Control Module C3 (Gas).... 8W-80-73
Radio C1.......................... 8W-80-74
Radio C2.......................... 8W-80-74
Radio C3.......................... 8W-80-74
Radio Choke Relay.................. 8W-80-74
Rear Wheel Speed Sensor (ABS)........ 8W-80-74
Right Back-Up Lamp................ 8W-80-75
Right Fog Lamp.................... 8W-80-75
Right Front Door Speaker (Premium).... 8W-80-75
Right Front Door Speaker (Standard).... 8W-80-75
Right Front Fender Lamp
(Dual Rear Wheels)................ 8W-80-75
Right Front Wheel Speed Sensor (ABS) . . 8W-80-76
Right Headlamp.................... 8W-80-76
Right License Lamp................. 8W-80-76
Right Outboard Clearance Lamp....... 8W-80-76
Right Outboard Headlamp............ 8W-80-76
Right Outboard Identification Lamp..... 8W-80-77
Right Park/Turn Signal Lamp.......... 8W-80-77
Right Power Mirror.................. 8W-80-77
Right Rear Fender Lamp
(Dual Rear Wheels)................ 8W-80-77
Right Rear Speaker (2 Door Premium) . . . 8W-80-77
Right Rear Speaker (4 Door Premium) . . . 8W-80-78
Right Rear Speaker (Standard 2 Door) . . . 8W-80-78
Right Rear Speaker (Standard 4 Door) . . . 8W-80-78
Right Remote Radio Switch........... 8W-80-78
Right Speed Control Switch........... 8W-80-78
Right Tail/Stop/Turn Signal Lamp...... 8W-80-78
Right Tweeter (Premium)............. 8W-80-79
Right Visor/Vanity Lamp.............. 8W-80-79
Seat Belt Switch (Club Cab)........... 8W-80-79
Seat Belt Switch (Standard Cab)....... 8W-80-79
Seat Heat Interface Module........... 8W-80-79
Speed Control Servo................. 8W-80-80
Tailgate Lamp (Dual Rear Wheels)...... 8W-80-80
Throttle Position Sensor (Gas)......... 8W-80-80
Trailer Tow Connector................ 8W-80-80
Transmission Solenoid Assembly........ 8W-80-80
Underhood Lamp................... 8W-80-81
Washer Fluid Level Switch............ 8W-80-81
Water In Fuel Sensor (Diesel).......... 8W-80-81
Wiper Motor....................... 8W-80-81
BR/BE8W-80 CONNECTOR PIN-OUTS 8W - 80 - 3

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