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

Fuse Block - Underhood Bussing


Object Number: 1217190  Size: FS
Master Electrical Component List
Underhood Fuse Block Fuse - IBCM 1 Fuse, Body Control Module Fuses - AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN Sensor, RADIO Fuses and the Ignition Switch
Figure 2:

Fuse Block - Underhood - IBCM 1 Fuse, BCM - AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN SENSOR, RADIO FUSES, and Ignition Switch


Object Number: 1217342  Size: FS
Master Electrical Component List
AUX PWR #2, BACKUPLP, CIG/AUX, HTD MIR, HTD ST, RBEC 1, RKE/XM/DVD/UGD, RR DEFOG, SUN RF Fuses, BACKUP LP and DEFOG Relays
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Power and Grounding Schematic Icons
Figure 3:

AUX PWR #2, BACK UP LP, CIG/AUX, HTD MIR, HTD ST, RBEC 1, RKE/XM/DVD/UGD, RR DEFOG, SUN RF Fuses, BACK UP LP, and RR DEFOG Relays


Object Number: 1217196  Size: FS
Master Electrical Component List
DRV ST, EMISSION 2, FUEL, PARK LPS, RBEC 2, RUN RLY, TRUNK Fuses, and FUEL, PARK LPS, TRUNK Relays, BCM - HVAC BLOWER, HVAC HEAD ECC Fuses
Underhood Fuse Block Fuse - IBCM 1 Fuse, Body Control Module Fuses - AIRBAG (BATT), CLUSTER/THEFT, HVAC CTRL (BATT), IGN Sensor, RADIO Fuses and the Ignition Switch
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Figure 4:

DRV ST, EMISSION 2, FUEL, PARK LPS, RBEC 2, RUN RLY, TRUNK Fuses and FUEL, PARK LPS, and TRUNK Relays, BCM - HVAC BLOWER, HVAC HEAD ECC Fuses, and HVAC BLOWER HIGH and RUN Relays


Object Number: 1217222  Size: FS
Master Electrical Component List
Fuse Block - Underhood - ABS, EPS, LH HIGH LH LOW PCM, RH HIGH, RH LOW Fuses
AUX PWR #2, BACKUPLP, CIG/AUX, HTD MIR, HTD ST, RBEC 1, RKE/XM/DVD/UGD, RR DEFOG, SUN RF Fuses, BACKUP LP and DEFOG Relays
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Figure 5:

Fuse Block - Underhood - ABS, EPS, LH HIGH, LH LOW, PCM, RH HIGH, and RH LOW Fuses


Object Number: 1217230  Size: FS
Master Electrical Component List
Fuse Block - Underhood - ABS, IGN, INJ, PCM IGN, TRANS Fuses and RUN/CRANK Relay
DRV ST, EMISSION 2, FUEL, PARK LPS, RBEC 2, RUN RLY, TRUNK Fuses, and FUEL, PARK LPS, TRUNK Relays, BCM - HVAC BLOWER, HVAC HEAD ECC Fuses
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Figure 6:

Fuse Block - Underhood - ABS, IGN1, INJ, PCM IGN 1, TRANS Fuses, and RUN/CRANK Relay


Object Number: 1217240  Size: FS
Master Electrical Component List
Fuse Block - Underhood - IBCM R/C Fuse, BCM - AIRBAG (IGN), EPS, and RUN/CRANK Fuses
Fuse Block - Underhood - ABS, EPS, LH HIGH LH LOW PCM, RH HIGH, RH LOW Fuses
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Fuse Block - Underhood - IBCM R/C Fuse, BCM - AIRBAG (IGN), EPS, and RUN/CRANK Fuses
Figure 7:

Fuse Block - Underhood - IBCM (R/C) Fuse, BCM - AIR BAG (IGN), EPS, and RUN/CRANK Fuses


Object Number: 1217269  Size: FS
Master Electrical Component List
Fuse Block - Underhood - EMISSION 1, ETC Fuses, and A/C Clutch, P0WERTRAIN Relays
Fuse Block - Underhood - ABS, IGN, INJ, PCM IGN, TRANS Fuses and RUN/CRANK Relay
Fuse Block - Underhood - ABS, IGN, INJ, PCM IGN, TRANS Fuses and RUN/CRANK Relay
Power and Grounding Schematic Icons
Figure 8:

Fuse Block - Underhood - EMISSION 1, ETC Fuses, and A/C CLUTCH, POWERTRAIN Relays


Object Number: 1217245  Size: FS
Master Electrical Component List
Fuse Block - Underhood - IBCM 2 Fuse, BCM - DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, WIPERS SW Fuses and ACCESSORY Relay
Fuse Block - Underhood - IBCM R/C Fuse, BCM - AIRBAG (IGN), EPS, and RUN/CRANK Fuses
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
Figure 9:

Fuse Block - Underhood - ICBM 2 Fuse, BCM - DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, WIPER SW Fuses, and ACCESSORY Relay


Object Number: 1217264  Size: FS
Master Electrical Component List
BCM - ONSTAR, PEDAL and POWER MIRRORS Fuses
Fuse Block - Underhood - EMISSION 1, ETC Fuses, and A/C Clutch, P0WERTRAIN Relays
Fuse Block Underhood Bussing
Fuse Block Underhood Bussing
BCM - ONSTAR, PEDAL and POWER MIRRORS Fuses
Figure 10:

BCM - ONSTAR, PEDAL, and POWER MIRRORS Fuses


Object Number: 1217277  Size: FS
Master Electrical Component List
Fuse Block - Underhood - IBCM 2 Fuse, BCM - DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, WIPERS SW Fuses and ACCESSORY Relay
Fuse Block - Underhood - IBCM 2 Fuse, BCM - DOOR LOCK, INTERIOR LIGHTS, POWER WINDOWS, ROOF/HEAT SEAT, WIPERS SW Fuses and ACCESSORY Relay