Operation CHARM: Car repair manuals for everyone.

Electrical Diagrams

Diagram 28-1:







Battery Junction Box
Central Junction Box
Fuse 4
Fuse 8
Fuse 9
Mass Air Flow Sensor
Powertrain Control Module
Powertrain Control Module Power Relay



Diagram 28-2:







Battery Junction Box
Fuse 17
Fuel Pump Relay
Heated Oxygen Sensor #11
Heated Oxygen Sensor #21
Powertrain Control Module



Diagram 28-3:







Battery Junction Box
Camshaft Position Sensor
Fuse 25
Natural Gas Vehicle Module
Powertrain Control Module



Diagram 28-4:







4R100 Transmission
Cylinder Head Temperature Sensor
Digital Transmission Range Sensor
Output Shaft Speed Sensor
Powertrain Control Module
Throttle position sensor
Turbine Shaft Speed Sensor



Diagram 28-5:







Central Junction Box
Coil On Plug #1
Coil On Plug #2
Coil On Plug #3
Coil On Plug #4
Coil On Plug #5
Coil On Plug #6
Coil On Plug #7
Coil On Plug #8
Natural Gas Vehicle Timer
Radio Capacitor #1
Radio Capacitor #2
Fuse 8
Powertrain Control Module



Diagram 28-6:







4R100 Transmission
Fuel Injector #1
Fuel Injector #2
Fuel Injector #3
Fuel Injector #4
Fuel Injector #5
Fuel Injector #6
Fuel Injector #7
Fuel Injector #8
Natural Gas Vehicle Module



Diagram 28-7:







Crankshaft Position Sensor
Idle Air Control Valve
Powertrain Control Module



Diagram 28-8:







Data Link Connector
Instrument Cluster
Malfunction Indicator Lamp
Powertrain Control Module



Diagram 28-9:







Extended Range Fuel Tank Valve
Forward AFT-Axle Fuel Tank Valve
Fuel Rail Cutoff Valve
Fuel Tank Sender
Instrument Cluster
Instrumentation Engine Coolant Temperature Sensor
Inertia Fuel Shutoff Switch
Midship Fuel Tank Valve
Natural Gas Vehicle Module
Powertrain Control Module
Rear AFT-Axle Fuel Tank Valve



Diagram 28-10:







Fuel Rail Temperature Sensor
Injection Pressure Sensor
Powertrain Control Module



Diagram 28-11:







Fuel Tank Pressure Sensor
Fuel Tank Temperature Sensor
Natural Gas Vehicle Module
Natural Gas Vehicle Timer