GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Shift Controls and Stop Lamp Switch


Object Number: 1778135  Size: FS
Master Electrical Component List
Electronic Component Description (M30/M32/M70)
Control Module References
Pressure Controls, Temperature, and VSS
Automatic Transmission Schematic Icons
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A, and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC, and HVAC 1 Fuses
Ignition Switch - START, RUN, and ACC/RUN/START BUS BARS, IGN A, and CRNK Fuses
4WD, BRK, CRUISE, HTR/AC, and HVAC 1 Fuses
4WD, BRK, CRUISE, HTR/AC, and HVAC 1 Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
IGN 0, RR WPR, SEO ACCY, TBC ACCY, TBC IGN 0, and WS WPR Fuses
4WD, BRK, CRUISE, HTR/AC, and HVAC 1 Fuses
Figure 2:

Pressure Controls, Temperature, and VSS


Object Number: 1778143  Size: FS
Master Electrical Component List
Electronic Component Description (M30/M32/M70)
Control Module References
PNP Switch, 4WD Signal, Tow/Haul, Serial Data, and Indicator
Shift Controls and Stop Lamp Switch
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Figure 3:

PNP Switch, 4WD Signal, Tow/Haul, Serial Data, and Indicator


Object Number: 1778147  Size: FS
Master Electrical Component List
Electronic Component Description (M30/M32/M70)
Control Module References
Auxiliary Pump Controls (HP2)
Pressure Controls, Temperature, and VSS
Automatic Transmission Schematic Icons
G203 - 2 of 2
Power, Ground, DLC and Splice Pack SP205
G103 and G106 - Gas
Figure 4:

Auxiliary Pump Controls (HP2)


Object Number: 1778154  Size: FS
Master Electrical Component List
Electronic Component Description (M33 Only)
Control Module References
PNP Switch, 4WD Signal, Tow/Haul, Serial Data, and Indicator
Automatic Transmission Schematic Icons
COOL PUMP, HYBRID O2A, HYBRID O2B, IGN B, and PWR MAINT Fuses
ABS, AUX HTR PMP, ESCM, HCM-B, MBEC1, RTD, STUD 1, STUD 2, TRANS PUMP, and VSES/ECAS Fuses and RT DOOR and SEAT Circuit Breakers
COOL PUMP, HYBRID O2A, HYBRID O2B, IGN B, and PWR MAINT Fuses
G104, G107, and G110