GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Express
🢒 Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Module Power, Ground, Serial Data and MIL
Master Electrical Component List
Powertrain Control Module Description
Control Module References
Engine Data Sensors - 5 Volt and Low Reference
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block
Ignition Switch - ACCY/RUN, RUN/START Bus Bars and IGN B Fuse
BTSI, BTSI/BU, O2A, O2B, PCM IGN 1, SPARE and TRLR BU Fuses
BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses
BRKS, CRANK, FR WPR, HVAC, IGN 0 and TBC ACC Fuses
G103, G104, G105, G106, G300 and G301
Data Link Connector (DLC) Schematics