GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
HUMMER
🢒
2004
🢒
H2
🢒 PCM Power, Grounding, Serial Data, and MIL
PCM Power, Grounding, Serial Data, and MIL
PCM Power, Grounding, Serial Data, and MIL
Master Electrical Component List
Powertrain Control Module Description
5 Volt and Low Reference Busses
OBD II Symbol Description Notice
G104 and G106
ETC/ECM, PCM I, INJ 1, and INJ 2 Fuses
ETC/ECM, PCM I, INJ 1, and INJ 2 Fuses
B+Bus
PCM B, TREC, IPC/DIC, TBC BATT, SEO B1, SEO B2, and HVAC/ECAS Fuses
WS WPR, SEO ACCY, RR WPR, TBC ACCY, TBC IGN 0, and IGN 0 Fuses
WS WPR, SEO ACCY, RR WPR, TBC ACCY, TBC IGN 0, and IGN 0 Fuses
WS WPR, SEO ACCY, RR WPR, TBC ACCY, TBC IGN 0, and IGN 0 Fuses
WS WPR, SEO ACCY, RR WPR, TBC ACCY, TBC IGN 0, and IGN 0 Fuses
Power, Ground, DLC, and Splice Pack SP205
G102 and G103
G102 and G103
G104 and G106
