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

Fuse Block - Underhood Bussing


Object Number: 1676489  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses: ABS, AMP, BATT2, COOLFAN, ECM/TCM, HORN, HVAC, MRRTD, W/S WASH
Figure 2:

Fuse Block - Underhood Fuses: ABS, AMP, BATT2, COOLFAN, ECM/TCM, HORN, HVAC, W/S Wash, and MRRTD


Object Number: 1659005  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses - BATT1, Fuse Block I/P Fuses - HEATED SEAT LH, HEATED SEAT RH, POWER LUMBAR LH/RH, Fuse Block I/P Circuit Breakers - Door Controls and Power Seats
Fuse Block - Underhood Bussing
Fuse Block - Underhood Bussing
Figure 3:

Fuse Block - Underhood Fuse: BATT1, Fuse Block - I/P Fuses; HEATED SEAT LH, HEATED SEAT RH, POWER LUMBAR LH/RH, Fuse Block - I/P Circuit Breakers; DOOR CONTROLS, and POWER SEATS


Object Number: 1480800  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuse - BATT1, Fuse Block I/P Fuses - AUXILIARY POWER, CIGAR LIGHTER, COLUMN LOCK MODL, FLDG TOP/TRUNK LATCH
Fuse Block Underhood Fuses: ABS, AMP, BATT2, COOLFAN, ECM/TCM, HORN, HVAC, MRRTD, W/S WASH
Fuse Block - Underhood Bussing
Fuse Block Underhood Fuse - BATT1, Fuse Block I/P Fuses - AUXILIARY POWER, CIGAR LIGHTER, COLUMN LOCK MODL, FLDG TOP/TRUNK LATCH
Figure 4:

Fuse Block - Underhood Fuse: BATT1, Fuse Block - I/P Fuses; AUXILIARY POWER, CIGAR LIGHTER, COLUMN LK MODULE, AND FLDG TOP/TRUNK LATCH


Object Number: 1686698  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses - BATT5, BCM Fuses - ACCA/DRIV DRSW, IGNITION SW/INTR SENS, ONSTAR, PARK BRAKE SOL A, TILT/TELE SW/MEM SEAT MOD
Fuse Block Underhood Fuses - BATT1, Fuse Block I/P Fuses - HEATED SEAT LH, HEATED SEAT RH, POWER LUMBAR LH/RH, Fuse Block I/P Circuit Breakers - Door Controls and Power Seats
Fuse Block Underhood Fuses - BATT1, Fuse Block I/P Fuses - HEATED SEAT LH, HEATED SEAT RH, POWER LUMBAR LH/RH, Fuse Block I/P Circuit Breakers - Door Controls and Power Seats
Figure 5:

Fuse Block - Underhood Fuse: BATT5, BCM Fuses - ACCA/DRIV DR SW, IGNITION SW/INTR SENS, ONSTAR, PARK BRAKE SOL A, and TILT/TELE SW/MEM SEAT MOD


Object Number: 1715329  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses: BATT3, STOP/BULPS, BCM Fuses: BTSI SOL/COL LOCK, PWR FLDG MIR-EXT/RET, RADIO/ANT/VICS, REAR FOG/ALDL TOPSW, REVERSE LPS
Fuse Block Underhood Fuse - BATT1, Fuse Block I/P Fuses - AUXILIARY POWER, CIGAR LIGHTER, COLUMN LOCK MODL, FLDG TOP/TRUNK LATCH
Fuse Block - Underhood Bussing
Figure 6:

Fuse Block - Underhood Fuses: BATT3 and STOP/B/U/LPS, BCM Fuses: BTSI SOL/COL LOCK, PWR FLDG MIR - EXT/RET, RADIO/ANT/VICS, REAR FOG/ALDL TOP SW, and REVERSE LPS


Object Number: 1480818  Size: FS
Master Electrical Component List
Control Module References
BCM Fuses: AC LATCH/PK BRK B, CLUSTER, DOOR LOCKS, HVAC/PWR SND, INTERIOR LIGHTS, ISRVM/HVAC, and TUTD SW/STRG COL SW
Fuse Block Underhood Fuses - BATT5, BCM Fuses - ACCA/DRIV DRSW, IGNITION SW/INTR SENS, ONSTAR, PARK BRAKE SOL A, TILT/TELE SW/MEM SEAT MOD
Fuse Block - Underhood Bussing
BCM Fuses: AC LATCH/PK BRK B, CLUSTER, DOOR LOCKS, HVAC/PWR SND, INTERIOR LIGHTS, ISRVM/HVAC, and TUTD SW/STRG COL SW
Figure 7:

BCM Fuses: AC LATCH/PK BRK B, CLUSTER, DOOR LOCKS, HVAC/PWR SND, INTERIOR LIGHTS, ISRVM/HVAC, and TUTD SW/STRG COL SW


Object Number: 1688318  Size: FS
Master Electrical Component List
Control Module References
BCM Fuses: ECM, GMLAN Devices, RPA/H/C SEAT and SDM/PSIR SW, Fuse Block Underhood Fuses - ABS/MRRTD, and ACC/TCM
Fuse Block Underhood Fuses: BATT3, STOP/BULPS, BCM Fuses: BTSI SOL/COL LOCK, PWR FLDG MIR-EXT/RET, RADIO/ANT/VICS, REAR FOG/ALDL TOPSW, REVERSE LPS
Fuse Block Underhood Fuses: BATT3, STOP/BULPS, BCM Fuses: BTSI SOL/COL LOCK, PWR FLDG MIR-EXT/RET, RADIO/ANT/VICS, REAR FOG/ALDL TOPSW, REVERSE LPS
BCM Fuses: ECM, GMLAN Devices, RPA/H/C SEAT and SDM/PSIR SW, Fuse Block Underhood Fuses - ABS/MRRTD, and ACC/TCM
Power and Grounding Schematic Icons
Figure 8:

BCM Fuses: ECM, GMLAN DEVICES, RPA / H/C SEAT, and SDM/PSIR SW, Fuse Block - Underhood Fuses: ABS/MRRTD, and ACC/TCM


Object Number: 1675005  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses: EMISSION, ETC, EVEN INJ, FUEL, O2SEN, and ODD INJ
BCM Fuses: AC LATCH/PK BRK B, CLUSTER, DOOR LOCKS, HVAC/PWR SND, INTERIOR LIGHTS, ISRVM/HVAC, and TUTD SW/STRG COL SW
BCM Fuses: AC LATCH/PK BRK B, CLUSTER, DOOR LOCKS, HVAC/PWR SND, INTERIOR LIGHTS, ISRVM/HVAC, and TUTD SW/STRG COL SW
Figure 9:

Fuse Block - Underhood Fuses: EMISSION, ETC, EVEN INJ, FUEL, O2 SEN, and ODD INJ


Object Number: 1658094  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses - LT HI BM, LTLO BM, RT HI BM, RT LO BM, Fuse Block I/P Fuses - RUN/ACCESSORY POWER, STEER WHEEL DIMMING and WIPER DWELL
BCM Fuses - ECM. GMLAN Devices, RPA/H/C SEAT and SDM/PSIR SW, Fuse Block Underhood Fuses - ABS/MRRTD, and ACC/TCM
Fuse Block - Underhood Bussing
Figure 10:

Fuse Block - Underhood Fuses: LT HI BM, LT LO BM, RT HI BM, RT LO BM, Fuse Block - I/P Fuses: RUN/ACCESSORY POWER, STEERING WHEEL DIMMING, and WIPER DWELL


Object Number: 1480839  Size: FS
Master Electrical Component List
Control Module References
Ignition Modes
Fuse Block Underhood Fuses: EMISSION, ETC, EVEN INJ, FUEL, O2SEN, and ODD INJ
Fuse Block - Underhood Bussing
Power and Grounding Schematic Icons
Power and Grounding Schematic Icons
Figure 11:

Ignition Modes


Object Number: 1686678  Size: FS
Master Electrical Component List
Control Module References
Fuse Block Underhood Fuses: LT HI BM, LT LO BM, RT HI BM, RT LO BM, Fuse Block I/P Fuses: RUN/ACCESSORY POWER, STEER WHEEL DIMMING and WIPER DWELL
Power and Grounding Schematic Icons
Power and Grounding Schematic Icons
Fuse Block Underhood Fuses - BATT5, BCM Fuses - ACCA/DRIV DRSW, IGNITION SW/INTR SENS, ONSTAR, PARK BRAKE SOL A, TILT/TELE SW/MEM SEAT MOD
Fuse Block Underhood Fuses - BATT5, BCM Fuses - ACCA/DRIV DRSW, IGNITION SW/INTR SENS, ONSTAR, PARK BRAKE SOL A, TILT/TELE SW/MEM SEAT MOD
Driver Controls