Wiring Diagrams
8w-30-2:
Fuse 3 (PDC)
Fuse 9 (JB)
G105
Joint Connector No. 2
Junction Block
Power Distribution Center
Powertrain Control Module
8w-30-3:
Automatic Shut Down Relay
Engine Control Module
Fuse 6 (PDC)
Fuse 9 (JB)
Joint Connector No. 2
Junction Block
Power Distribution Center
Powertrain Control Module
8w-30-4:
Battery Temperature Sensor
Fuel Pump Module
Fuel Pump Relay
G100
Joint Connector No. 1
Powertrain Control Module
8w-30-5:
Automatic Shut Down Relay
Brake Lamp Switch
Joint Connector No. 1
Joint Connector No. 2
Leak Detection Pump
Power Distribution Center
Powertrain Control Module
8w-30-6:
Camshaft Position Sensor
Powertrain Control Module
Transmission Control Relay
Transmission Output Shaft Speed Sensor
Vehicle Speed Control Servo
8w-30-7:
Overdrive Switch
Powertrain Control Module
Transmission Solenoid Assembly
8w-30-8:
Brake Lamp Switch
Clockspring No. 1
Joint Connector No. 1
Powertrain Control Module
Vehicle Speed Control/Horn Switch
8w-30-9 (GAS):
Engine Coolant Temperature Sensor
Idle Air Control Motor
Powertrain Control Module
8w-30-10 (GAS):
Intake Air Temperature Sensor
Manifold Absolute Pressure Sensor
Powertrain Control Module
8w-30-11 (GAS):
Fuel Pump Module
Fuel Pump Relay
Fuse 3 (PDC)
Fuse 9 (JB)
Joint Connector No. 2
Junction Block
Power Distribution Center
Powertrain Control Module
8w-30-12 (GAS):
Controller Anti-Lock Brake
Crankshaft Position Sensor
Duty Cycle Evap/Purge Solenoid
Engine Oil Pressure Sensor
Generator
Junction Block
[1][2]Park/Neutral Position Switch
Powertrain Control Module
8w-30-13 (GAS):
A/C Compressor Clutch Relay
A/C Heater Control
A/C High Pressure Switch
A/C Low Pressure Switch
Powertrain Control Module
Throttle Position Sensor
Transmission Solenoid Assembly
8w-30-14 (GAS):
Airbag Control Module
Central Timer Module
Controller Anti-Lock Brake
Data Link Connector
Instrument Cluster
Joint Connector No. 7
Overhead Console
Powertrain Control Module
Radio
8w-30-15 (GAS):
Data Link Connector
Fuse 12 (JB)
G105
Joint Connector No. 7
Junction Block
Powertrain Control Module
8w-30-16:
Automatic Shut Down Relay
Fuse K (PDC)
G105
Joint Connector No. 2
Oxygen Sensor 1/1 Upstream
Oxygen Sensor 1/2 Downstream
Power Distribution Center
Powertrain Control Module
8w-30-18:
Automatic Shut Down Relay
Fuel Injector No. 1
Fuel Injector No. 3
Fuel Injector No. 5
Fuel Injector No. 7
Joint Connector No. 2
Power Distribution Center
Powertrain Control Module
8w-30-19:
Automatic Shut Down Relay
Fuel Injector No. 2
Fuel Injector No. 4
Fuel Injector No. 6
Fuel Injector No. 8
Joint Connector No. 2
Power Distribution Center
Powertrain Control Module
8w-30-20:
Automatic Shut Down Relay
Ignition Coil
Joint Connector No. 2
Power Distribution Center
Powertrain Control Module
8w-30-26 (DIESEL):
Accelerator Pedal Position Sensor
Engine Control Module
8w-30-27 (DIESEL):
Cummins Bus (+)
Cummins Bus (-)
Engine Control Module
Fuse 3 (PDC)
G107
Joint Connector No. 2
Power Distribution Center
8w-30-28 (DIESEL):
Engine Control Module
Fuel Injection Pump
Fuel Pump Relay
G105
8w-30-29 (DIESEL):
Camshaft Position Sensor
Crankshaft Position Sensor
Engine Control Module
Intake Air Temperature Sensor
8w-30-30 (DIESEL):
Camshaft Position Sensor
Engine Control Module
Engine Oil Pressure Sensor
Manifold Absolute Pressure Sensor
8w-30-31 (DIESEL):
Engine Control Module
Engine Coolant Temperature Sensor
Fuel Transfer Pump
G105
G107
Instrument Cluster
PTO Switch
Water In Fuel Sensor
8w-30-32 (DIESEL):
Battery
Engine Control Module
G105
Intake Air Heater
Intake Air Heater Relay No. 1
Intake Air Heater Relay No. 2
8w-30-33 (DIESEL):
Engine Control Module
Fuel Heater
Fuel Heater Relay
Fuse 7 (PDC)
Fuse 9 (JB)
G102
G107
Joint Connector No. 1
Junction Block
Power Distribution Center
Powertrain Control Module
8w-30-34 (DIESEL):
Engine Control Module
Fuel Injection Pump
Fuel Pump Relay
Fuse 3 (PDC)
G102
Joint Connector No. 1
Joint Connector No. 2
Power Distribution Center
8w-30-35 (DIESEL):
Controller Anti-Lock Brake
Generator
[1][2]Park/Neutral Position Switch
Powertrain Control Module
8w-30-36 (DIESEL):
A/C Heater Control
A/C High Pressure Switch
A/C Low Pressure Switch
Engine Control Module
Powertrain Control Module
Transmission Solenoid Assembly
8w-30-37 (DIESEL):
Airbag Control Module
Central Timer Module
Controller Anti-Lock Brake
Data Link Connector
Engine Control Module
Instrument Cluster
Joint Connector No. 7
Overhead Console
Radio
8w-30-38 (DIESEL):
Data Link Connector
Engine Control Module
Fuse 12 (JB)
G107
Joint Connector No. 7
Junction Block
8w-30-39 (DIESEL):
Accelerator Pedal Position Sensor
Camshaft Position Sensor
Engine Control Module
Engine Coolant Temperature Sensor
Engine Oil Pressure Sensor
Intake Air Temperature Sensor
Manifold Absolute Pressure Sensor
Water In Fuel Sensor
NOTE: To view sheets referred to in these diagrams, see Complete Body and Chassis Diagrams Electrical Diagrams.