GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
TrailBlazer - 2WD
🢒 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
Fuse Block - Underhood, IGN 1 Relay
OBD II Symbol Description Notice
B+ Bus - Underhood Fuse Block
ACCY/RUN and RUN/START Bus Bars
ACCY/RUN/START, RUN, and START Bus Bars
COILS, AIR, EAP, TBC 1, PCM B, LOW HDLP-RT, LOW HDLP-LT, HI HDLP-LT, and HI HDLP-RT Fuses
IGN E, TBC IGN 1, BACKUP, BTSI, and TRLR B/U Fuses
IGN 0, TBC IG, TBC ACC, FRT WPR, and RAIN Fuses
IGN E, TBC IGN 1, BACKUP, BTSI, and TRLR B/U Fuses
IGN 0, TBC IG, TBC ACC, FRT WPR, and RAIN Fuses
Power, Ground, Serial Data, and MIL
G108
Power, Ground, Data Link Connector, and SP205
