
8W-18 BUS COMMUNICATIONS
Component Page
Cummins Bus....................... 8W-18-4
Data Link Connector................ 8W-18-2, 3
Engine Control Module.............. 8W-18-3, 4
Fuse 12 (JB)...................... 8W-18-2, 3
G105.............................. 8W-18-2
G107.............................. 8W-18-4Component Page
G200............................ 8W-18-2, 3
Joint Connector No. 5............... 8W-18-2, 3
Joint Connector No. 7............... 8W-18-2, 3
Junction Block.................... 8W-18-2, 3
Powertrain Control Module........... 8W-18-2, 3
BR/BE8W-18 BUS COMMUNICATIONS 8W - 18 - 1

8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch Relay.... 8W-30-14, 38, 39
A/C-Heater Control............... 8W-30-14, 39
A/C High Pressure Switch.......... 8W-30-14, 39
A/C Low Pressure Switch.......... 8W-30-14, 39
Accelerator Pedal Position Sensor....... 8W-30-30
Airbag Control Module............ 8W-30-40, 15
Automatic Shut Down Relay . . . 8W-30-3, 17, 18, 19,
22, 23, 24, 25, 26, 27, 28
Battery Temperature Sensor............ 8W-30-4
Battery........................... 8W-30-35
Brake Lamp Switch.............. 8W-30-7, 8, 37
Camshaft Position Sensor........... 8W-30-5, 32
Capacitor......................... 8W-30-28
Central Timer Module C2.......... 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
Duty Cycle EVAP/Purge Solenoid....... 8W-30-13
Engine Control Module . . 8W-30-3, 7, 29, 30, 31, 32,
33, 34, 35, 36, 37, 39, 40, 41
Engine Coolant Temperature Sensor . . . 8W-30-9, 34
Engine Oil Pressure Sensor......... 8W-30-33, 13
Fuel Heater Relay................... 8W-30-36
Fuel Heater........................ 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, 22
Fusible Link....................... 8W-30-35
G100............................. 8W-30-12
G102.......................... 8W-30-36, 37
G105..................... 8W-30-2, 16, 20, 21Component Page
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 4-Pack................. 8W-30-28
Ignition Coil 6-Pack................. 8W-30-28
Ignition Coil....................... 8W-30-25
Instrument Cluster............ 8W-30-15, 34, 40
Intake Air Heater Relay No. 1......... 8W-30-35
Intake Air Heater Relay No. 2......... 8W-30-35
Intake Air Heater................... 8W-30-35
Intake Air Temperature Sensor...... 8W-30-10, 32
Joint Connector No. 1 . . . 8W-30-4, 7, 12, 36, 37, 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
Manifold Air Pressure Sensor.......... 8W-30-33
Output Speed Sensor................. 8W-30-5
Overdrive Switch.................... 8W-30-6
Overhead Console................ 8W-30-40, 15
Oxygen Sensor 1/1 Left Bank Up . . . 8W-30-18, 22, 20
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, 22,
20
Oxygen Sensor 2/2 Right Bank Down.... 8W-30-20
Oxygen Sensor Downstream Relay...... 8W-30-19
Park/Neutral Position Switch....... 8W-30-13, 38
Power Distribution Center . . 8W-30-2, 3, 11, 17, 18,
22, 23, 24, 25, 26, 27, 28, 29, 36, 37
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, 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-31 TRANSMISSION CONTROL SYSTEM
Component Page
Controller Antilock Brake.............. 8W-31-5
Fuse I (PDC)........................ 8W-31-2
G100.............................. 8W-31-5
G107.............................. 8W-31-5
G200.............................. 8W-31-4
Generator.......................... 8W-31-2
Instrument Cluster................... 8W-31-5
Joint Connector No. 3................. 8W-31-5Component Page
Joint Connector No. 4................. 8W-31-5
Leak Detection Pump................. 8W-31-2
Output Speed Sensor................. 8W-31-4
Overdrive Switch.................... 8W-31-4
Power Distribution Center............. 8W-31-2
Powertrain Control Module......... 8W-31-2, 3, 4
Transmission Control Relay.......... 8W-31-2, 3
Transmission Solenoid Assembly....... 8W-31-2, 3
BR/BE8W-31 TRANSMISSION CONTROL SYSTEM 8W - 31 - 1

8W-33 VEHICLE SPEED CONTROL
Component Page
Brake Lamp Switch.................. 8W-33-2
Clockspring......................... 8W-33-3
Engine Control Module................ 8W-33-4
G100.............................. 8W-33-2
Joint Connector No. 1................. 8W-33-4Component Page
Joint Connector No. 4................. 8W-33-2
Left Speed Control Switch............. 8W-33-3
Powertrain Control Module........... 8W-33-2, 4
Right Speed Control Switch............ 8W-33-3
Speed Control Servo.................. 8W-33-2
BR/BE8W-33 VEHICLE SPEED CONTROL 8W - 33 - 1

8W-34 REAR WHEEL ANTILOCK BRAKES
Component Page
Brake Lamp Switch.................. 8W-34-3
Brake Pressure Switch................ 8W-34-3
Controller Antilock Brake............ 8W-34-2, 3
Engine Control Module................ 8W-34-3
Fuse 3 (JB)......................... 8W-34-2
Fuse 11 (PDC)....................... 8W-34-2
G100.............................. 8W-34-3
G101.............................. 8W-34-2
G107.............................. 8W-34-2
G200.............................. 8W-34-3Component Page
Instrument Cluster................... 8W-34-2
Joint Connector No. 1................. 8W-34-3
Joint Connector No. 3................. 8W-34-2
Joint Connector No. 4................. 8W-34-3
Joint Connector No. 7................. 8W-34-2
Junction Block...................... 8W-34-2
Power Distribution Center............. 8W-34-2
Powertrain Control Module............. 8W-34-3
Rear Wheel Speed Sensor.............. 8W-34-2
BR/BE8W-34 REAR WHEEL ANTILOCK BRAKES 8W - 34 - 1

8W-35 ALL WHEEL ANTILOCK BRAKES
Component Page
Brake Lamp Switch.................. 8W-35-4
Brake Pressure Switch................ 8W-35-4
Controller Antilock Brake.......... 8W-35-2, 3, 4
Engine Control Module................ 8W-35-4
Fuse 3 (JB)......................... 8W-35-2
Fuse 11 (PDC)....................... 8W-35-2
G100.............................. 8W-35-4
G101.............................. 8W-35-3
G107.............................. 8W-35-3
G200.............................. 8W-35-4
Instrument Cluster................... 8W-35-3Component Page
Joint Connector No. 1................. 8W-35-4
Joint Connector No. 3................. 8W-35-3
Joint Connector No. 4................. 8W-35-4
Joint Connector No. 7................. 8W-35-3
Junction Block...................... 8W-35-2
Left Front Wheel Speed Sensor......... 8W-35-2
Power Distribution Center............. 8W-35-2
Powertrain Control Module............. 8W-35-4
Rear Wheel Speed Sensor.............. 8W-35-2
Right Front Wheel Speed Sensor........ 8W-35-2
BR/BE8W-35 ALL WHEEL ANTILOCK BRAKES 8W - 35 - 1

8W-39 VEHICLE THEFT SECURITY SYSTEM
Component Page
Central Timer Module C1.............. 8W-39-4
Central Timer Module C2.......... 8W-39-2, 3, 4
Clockspring......................... 8W-39-3
Daytime Running Lamp Module......... 8W-39-2
Driver Cylinder Lock Switch............ 8W-39-4
Driver Door Ajar Switch............... 8W-39-4
Fuse G (PDC)....................... 8W-39-2
Fuse H (PDC)....................... 8W-39-3
G100.............................. 8W-39-3
G102.............................. 8W-39-2
G300.............................. 8W-39-4
Headlamp Beam Select Switch.......... 8W-39-2
High Note Horn..................... 8W-39-3
Horn Relay......................... 8W-39-3Component Page
Horn Switch........................ 8W-39-3
Joint Connector No. 1............... 8W-39-2, 3
Joint Connector No. 3................. 8W-39-3
Joint Connector No. 6................. 8W-39-3
Joint Connector No. 8................. 8W-39-4
Left Outboard Headlamp.............. 8W-39-2
Low Note Horn...................... 8W-39-3
Overhead Console.................... 8W-39-4
Passenger Cylinder Lock Switch......... 8W-39-4
Passenger Door Ajar Switch............ 8W-39-4
Power Distribution Center........... 8W-39-2, 3
Right Outboard Headlamp............. 8W-39-2
Security Relay....................... 8W-39-2
BR/BE8W-39 VEHICLE THEFT SECURITY SYSTEM 8W - 39 - 1

8W-40 INSTRUMENT CLUSTER
Component Page
Data Link Connector................. 8W-40-4
Daytime Running Lamp Module....... 8W-40-2, 7
Engine Control Module................ 8W-40-2
Fuse 5 (JB)......................... 8W-40-5
Fuse 14 (JB).................. 8W-40-2, 3, 4, 7
Fuse 17 (JB)........................ 8W-40-2
Fuse F (PDC)....................... 8W-40-5
G100............................ 8W-40-4, 6
G200............................ 8W-40-2, 6
G201.......................... 8W-40-2, 5, 7
G300.............................. 8W-40-3
G301.............................. 8W-40-3
Headlamp Beam Select Switch.......... 8W-40-7
Headlamp Switch.................... 8W-40-5
High Beam Indicator................. 8W-40-7
Instrument Cluster......... 8W-40-2, 3, 4, 5, 6, 7
Integrated Electronic Module........... 8W-40-3Component Page
Joint Connector No. 3................. 8W-40-6
Joint Connector No. 4............... 8W-40-4, 6
Joint Connector No. 5................. 8W-40-5
Joint Connector No. 7............... 8W-40-4, 6
Joint Connector No. 8................. 8W-40-5
Junction Block............... 8W-40-2, 3, 4, 5, 7
Left Turn Indicator................... 8W-40-7
Overdrive Switch.................... 8W-40-6
Park Brake Switch................... 8W-40-2
Power Distribution Center............. 8W-40-5
Powertrain Control Module............. 8W-40-6
Radio............................. 8W-40-5
Right Turn Indicator.................. 8W-40-7
Seat Belt Switch..................... 8W-40-3
Turn Signal/Hazard Switch............. 8W-40-7
Washer Fluid Level Switch............. 8W-40-4
BR/BE8W-40 INSTRUMENT CLUSTER 8W - 40 - 1