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2008 Chevrolet Silverado 2500

The document provides detailed electrical schematics and component lists for the 2008 Chevrolet Silverado 2500, focusing on engine control modules, ignition controls, fuel systems, and various sensors. It includes information on power, ground, and serial data connections, as well as fuse identification for different systems. Additionally, it outlines the descriptions and references for various control modules related to engine performance and diagnostics.

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0% found this document useful (0 votes)
617 views13 pages

2008 Chevrolet Silverado 2500

The document provides detailed electrical schematics and component lists for the 2008 Chevrolet Silverado 2500, focusing on engine control modules, ignition controls, fuel systems, and various sensors. It includes information on power, ground, and serial data connections, as well as fuse identification for different systems. Additionally, it outlines the descriptions and references for various control modules related to engine performance and diagnostics.

Uploaded by

medicaluv
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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YOUR CURRENT VEHICLE

2008 Chevrolet Silverado 2500

Engine Controls Schematics

Engine Controls Schematics

Module Power, Ground and Serial Data

Master Electrical Component List

Engine Control Module Description

Control Module References

5-Volt and Low Reference

Ignition II/III Voltage

RUN/CRANK BUS - ECM-IGN and TRANS IGN 1 Fuses


ECM-BATT, HDLP WASH, HVAC BATT, IPC, LTR, S/ROOF and TCM-BATT Fuses

Electrical Center Identification Views

PWR/TRN BUS - ECM/THROT CONT and ENG Fuses

PWR/TRN BUS - DSL ECM, FUEL HTR, O2-A SNSR and O2-B SNSR Fuses

PWR/TRN BUS - INJ-A and INJ-B Fuses

Accessory Wakeup Serial Data

High Speed Bus - 1 of 4 (except MEX)

G106 (4.3L) and G103

5-Volt and Low Reference

Master Electrical Component List

Engine Control Module Description

Control Module References

Engine Data Sensors - Pressure and Temperature

Module Power, Ground and Serial Data

Engine Data Sensors– Pressure and Temperature


Master Electrical Component List

Engine Control Module Description

Control Module References

Engine Data Sensors - Heated Oxygen Sensors

5-Volt and Low Reference

Module Power, Ground and Serial Data

PWR/TRN BUS - ECM/THROT CONT and ENG Fuses

G106 (4.3L) and G103

Engine Data Sensors– Heated Oxygen Sensors


Master Electrical Component List

Engine Control Module Description

Control Module References

Engine Data Sensors - Throttle Controls

Engine Data Sensors - Pressure and Temperature

Module Power, Ground and Serial Data

PWR/TRN BUS - DSL ECM, FUEL HTR, O2-A SNSR and O2-B SNSR Fuses

Engine Data Sensors– Throttle Controls


Master Electrical Component List

Throttle Actuator Control (TAC) System Description

Control Module References

Ignition Controls - Ignition System Coils 1, 3, 5 and 7

Engine Data Sensors - Heated Oxygen Sensors

Ignition Controls– Ignition System Coils 1, 3, 5 and 7


Master Electrical Component List

Electronic Ignition System Description

Control Module References

Ignition Controls - Ignition System Coils 2,4, 6 and 8

Engine Data Sensors - Throttle Controls

Module Power, Ground and Serial Data

PWR/TRN BUS - INJ-A and INJ-B Fuses

G102, G107 (4.3L), G104, G108

Ignition Controls– Ignition System Coils 2, 4, 6 and 8


Master Electrical Component List

Electronic Ignition System Description

Control Module References

Ignition Controls - Sensors

Ignition Controls - Ignition System Coils 1, 3, 5 and 7

Module Power, Ground and Serial Data

PWR/TRN BUS - INJ-A and INJ-B Fuses

G102, G107 (4.3L), G104, G108

Ignition Controls– Sensors


Master Electrical Component List

Electronic Ignition System Description

Control Module References

Fuel Pump Controls (except LMG/LY6/LC9)

Ignition Controls - Ignition System Coils 2,4, 6 and 8

Module Power, Ground and Serial Data

PWR/TRN BUS - ECM/THROT CONT and ENG Fuses

Master Electrical Schematic Icons

Fuel Pump Controls (except LMG/LY6/LC9)


Master Electrical Component List

Fuel System Description

Control Module References

Fuel Pump Controls (LMG/LY6/LC9)

Ignition Controls - Sensors

Module Power, Ground and Serial Data

RUN/CRANK BUS - ECM-IGN and TRANS IGN 1 Fuses

FSCM, ITBC and RDO Fuses

Serial Data Communication Enable

High Speed Bus - 2 of 4 (except MEX)

G300

Master Electrical Schematic Icons

Fuel Pump Controls (LMG/LY6/LC9)


Master Electrical Component List

Fuel System Description

Control Module References

Fuel Controls - Fuel Injectors

Fuel Pump Controls (except LMG/LY6/LC9)

Electrical Center Identification Views

A/C CMPRSR, FRT WASH, FUEL PUMP, HORN, HTD MIR, REAR DEFOG and STRTR Fuses

G102, G107 (4.3L), G104, G108

Gages

Ignition II/III Voltage

RUN/CRANK BUS - ECM-IGN and TRANS IGN 1 Fuses

G300

Fuel Controls– Fuel Injectors


Master Electrical Component List

Fuel System Description

Control Module References

Fuel Controls - EVAP Controls

Fuel Pump Controls (LMG/LY6/LC9)

Module Power, Ground and Serial Data

PWR/TRN BUS - INJ-A and INJ-B Fuses

Fuel Controls– EVAP Controls


Master Electrical Component List

Evaporative Emission Control System Description

Control Module References

Controlled/Monitored Subsystem References

Fuel Controls - Fuel Injectors

Module Power, Ground and Serial Data

PWR/TRN BUS - ECM/THROT CONT and ENG Fuses

Gages

Controlled/Monitored Subsystem References


Master Electrical Component List

Engine Control Module Description

Control Module References

Fuel Controls - EVAP Controls

Gas

Transmission Range Signals and Driver Shift Request

A/C Compressor Controls

Stop Lamp Controls and CHMSL

Transfer Case Control Schematics

Charging (Gas)

Starting

Module Power, Ground, Serial Data and Stop Lamps Signal

Engine Oil Level (Early Production)

Gages

Module Power, Ground, Serial Data, Pump Motor and Brake Switch ( JL4)

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