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

B+ Bus


Object Number: 1592827  Size: FS
Master Electrical Component List
Control Module References
ABS (40A), ABS (20A), ECM, LH HDLP, RADIO, RH HDLP, and TCM Fuses
Figure 2:

ABS (40A), ABS (20A), ECM, LH HDLP, RADIO, RH HDLP, and TCM Fuses


Object Number: 1592828  Size: FS
Master Electrical Component List
Control Module References
BCM (PWR), DASH, IP BATT 1, IP BATT 1A, LIGHTER, ONSTAR, PARK, PWR OUTLET, PWR WINDOWS, RADIO (ACC.), RADIO (BATT), SUN ROOF, and WIPER SW Fuses
B+ Bus
B+ Bus
Figure 3:

BCM (PWR), DASH, IP BATT 1, IP BATT 1A, LIGHTER, ONSTAR, PARK, PWR OUTLET, PWR WINDOWS, RADIO (ACC.), RADIO (BATT 1), SUN ROOF, and WIPER SW Fuses


Object Number: 1592829  Size: FS
Master Electrical Component List
Control Module References
BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and FUEL PUMP Relays
ABS (40A), ABS (20A), ECM, LH HDLP, RADIO, RH HDLP, and TCM Fuses
B+ Bus
Figure 4:

BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and Fuel Pump Relays


Object Number: 1592830  Size: FS
Master Electrical Component List
Control Module References
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
BCM (PWR), DASH, IP BATT 1, IP BATT 1A, LIGHTER, ONSTAR, PARK, PWR OUTLET, PWR WINDOWS, RADIO (ACC.), RADIO (BATT), SUN ROOF, and WIPER SW Fuses
B+ Bus
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
Figure 5:

Ignition Switch, RUN/CRANK Fuse, RUN/Crank (IGN1) Relay


Object Number: 1592831  Size: FS
Master Electrical Component List
Control Module References
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and FUEL PUMP Relays
BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and FUEL PUMP Relays
B+ Bus
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
G101
Figure 6:

ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses


Object Number: 1592832  Size: FS
Master Electrical Component List
Control Module References
AIR BAG/AOS, CLUTCH/BRAKE/AOS, and EPS/CRUISE Fuses
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
AIR BAG/AOS, CLUTCH/BRAKE/AOS, and EPS/CRUISE Fuses
Figure 7:

AIR BAG/AOS, CLUTCH/BRAKE/AOS, and EPS/CRUISE Fuses


Object Number: 1592833  Size: FS
Master Electrical Component List
Control Module References
AIR PUMP RLY, ECM/ETC, EMISS, IGN, and INJECTOR Fuses, AIR SOLENOID, POWERTRAIN Relays - 2.2L
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
Power and Grounding Schematic Icons
Power and Grounding Schematic Icons
Figure 8:

AIR PUMP RLY, ECM/ECT, EMISS, IGN and INJECTOR Fuse, AIR SOLENOID, POWERTRAIN Relays - 2.2L


Object Number: 1592834  Size: FS
Master Electrical Component List
Control Module References
COOLING FAN, ECM/ETC, EMISS, INJECTORS, and IGN Fuses, AFTER COOLER PUMP and POWERTRAIN Relays - 2.0L
AIR BAG/AOS, CLUTCH/BRAKE/AOS, and EPS/CRUISE Fuses
B+ Bus
Figure 9:

COOLING FAN, ECM/ETC, EMISS, INJECTORS, and IGN Fuses, AFTER COOLER PUMP and POWERTRAIN RELAYS - 2.0L


Object Number: 1592835  Size: FS
Master Electrical Component List
Control Module References
COOLING FAN2, ECM/ETC, EMISS, IGN and INJECTORS Fuses, POWERTRAIN Relay - 2.4L
AIR PUMP RLY, ECM/ETC, EMISS, IGN, and INJECTOR Fuses, AIR SOLENOID, POWERTRAIN Relays - 2.2L
B+ Bus
Figure 10:

Cooling FAN2, ECM/ETC, EMISS, IGN and INJECTORS Fuse, POWERTRAIN Relay - 2.4L


Object Number: 1592836  Size: FS
Master Electrical Component List
Control Module References
COOLING FAN, ECM/ETC, EMISS, INJECTORS, and IGN Fuses, AFTER COOLER PUMP and POWERTRAIN Relays - 2.0L
B+ Bus