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

Underhood Fuse Block - Battery Feeds


Object Number: 1257005  Size: FS
Master Electrical Component List
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block - Battery Feeds
Figure 2:

Underhood Fuse Block - Battery Feeds


Object Number: 1257006  Size: FS
Master Electrical Component List
Underhood Fuse Block - ABS, BCM BATT, IllUM RT, and ILLUM LT Fuses
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block - Battery Feeds
Figure 3:

Underhood Fuse Block - ABS, BCM BATT, ILLUM RT, and ILLUM LT Fuses


Object Number: 1257013  Size: FS
Master Electrical Component List
Underhood Fuse Block - ILLUM RT Fuse
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block - ILLUM RT Fuse
Underhood Fuse Block - Battery Feeds
Figure 4:

Underhood Fuse Block - ILLUM RT Fuse (continued)


Object Number: 1461089  Size: FS
Master Electrical Component List
Underhood Fuse Block - HVAC, BLWR, S/ROOF, and PWR SEAT Fuses
Underhood Fuse Block - ABS, BCM BATT, IllUM RT, and ILLUM LT Fuses
Underhood Fuse Block - ABS, BCM BATT, IllUM RT, and ILLUM LT Fuses
Figure 5:

Underhood Fuse Block - HVAC BLWR, S/ROOF, and PWR SEAT Fuses


Object Number: 1257015  Size: FS
Master Electrical Component List
Underhood Fuse Block - STOP LAMPS, HI BEAM PASSING, and ECM Fuses
Underhood Fuse Block - ILLUM RT Fuse
Underhood Fuse Block - Battery Feeds
Figure 6:

Underhood Fuse Block - STOP LAMPS, HI BEAM PASSING, and ECM Fuses


Object Number: 1257016  Size: FS
Master Electrical Component List
Underhood Fuse Block - HEADLAMP Relay, and LOW BEAM LT, LOW BEAM RT, and DRL Fuses
Underhood Fuse Block - Battery Feeds
Figure 7:

Underhood Fuse Block - HEADLAMP Relay and LOW BEAM LT, LOW BEAM RT, and DRL Fuses


Object Number: 1257017  Size: FS
Master Electrical Component List
Underhood Fuse Block - FOG LAMPS, PWR WNDW, PWR MIR, and HORN Fuses
Underhood Fuse Block - STOP LAMPS, HI BEAM PASSING, and ECM Fuses
I/P Fuse Block - WPR, TCM BTSI, BCM ABS, CLSTR AUTO A/C and WSWA Fuses
Underhood Fuse Block - Battery Feeds
Figure 8:

Underhood Fuse Block - FOG LAMPS, PWR WNDW, PWR MIR, and HORN Fuses


Object Number: 1257019  Size: FS
Master Electrical Component List
Underhood Fuse Block - INT LTS Fuse
Underhood Fuse Block - HEADLAMP Relay, and LOW BEAM LT, LOW BEAM RT, and DRL Fuses
Underhood Fuse Block - Battery Feeds
Driver Power Window
Horns
Figure 9:

Underhood Fuse Block - INT LTS Fuse


Object Number: 1257020  Size: FS
Master Electrical Component List
Underhood Fuse Block (2.0L) - ENG MAIN Relay and ENG2 Fuse
Underhood Fuse Block - FOG LAMPS, PWR WNDW, PWR MIR, and HORN Fuses
Underhood Fuse Block - Battery Feeds
Figure 10:

Underhood Fuse Block (2.0L) - ENG MAIN Relay and ENG2 Fuse


Object Number: 1257021  Size: FS
Master Electrical Component List
Underhood Fuse Block (2.5L) - ENG MAIN Relay and ENG2 Fuse
Underhood Fuse Block - INT LTS Fuse
Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses
Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses
Underhood Fuse Block - Battery Feeds
Underhood Fuse Block (2.5L) - ENG MAIN Relay and ENG2 Fuse
Figure 11:

Underhood Fuse Block (2.5L) - ENG MAIN Relay and ENG2 Fuse


Object Number: 1376471  Size: FS
Master Electrical Component List
Underhood Fuse Block - Fuel Pump Relay, FUEL and ECM Fuses
Underhood Fuse Block (2.0L) - ENG MAIN Relay and ENG2 Fuse
Underhood Fuse Block - STOP LAMPS, HI BEAM PASSING, and ECM Fuses
Underhood Fuse Block - HEADLAMP Relay, and LOW BEAM LT, LOW BEAM RT, and DRL Fuses
Underhood Fuse Block (2.0L) - ENG MAIN Relay and ENG2 Fuse
Figure 12:

Underhood Fuse Block - Fuel Pump Relay, FUEL and ECM Fuses


Object Number: 1257022  Size: FS
Master Electrical Component List
Underhood Fuse Block - ENG1, COOL FAN HIGH, and COOL FAN LOW Fuses
Underhood Fuse Block (2.5L) - ENG MAIN Relay and ENG2 Fuse
Underhood Fuse Block - Battery Feeds
Figure 13:

Underhood Fuse Block - ENG1, COOL FAN HIGH, and COOL FAN LOW Fuses


Object Number: 1257025  Size: FS
Master Electrical Component List
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - Fuel Pump Relay, FUEL and ECM Fuses
Underhood Fuse Block (2.5L) - ENG MAIN Relay and ENG2 Fuse
Figure 14:

Underhood Fuse Block - A/C and IP Fuse, BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses


Object Number: 1257027  Size: FS
Master Electrical Component List
Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses
Underhood Fuse Block - ENG1, COOL FAN HIGH, and COOL FAN LOW Fuses
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
Figure 15:

Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses


Object Number: 1257028  Size: FS
Master Electrical Component List
I/P Fuse Block - WPR, TCM BTSI, BCM ABS, CLSTR AUTO A/C and WSWA Fuses
Underhood Fuse Block - A/C and IP Fuse BATT, I/P Fuse Block - RADIO CRUISE, AUTO HVAC CLSTR, and DLC Fuses
Underhood Fuse Block - Battery Feeds
I/P Fuse Block - WPR, TCM BTSI, BCM ABS, CLSTR AUTO A/C and WSWA Fuses
Figure 16:

I/P Fuse Block - WPR, TCM BTSI, BCM ABS, CLSTR AUTO A/C, and WSWA Fuses


Object Number: 1257032  Size: FS
Master Electrical Component List
Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses
Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses
Underhood Fuse Block - IGN1 Fuse, Ignition Switch, I/P Fuse Block - LTR, HTD SEAT, CLK, RADIO, AIR BAG, BCK/UP CRUISE, and ECM Fuses
Figure 17:

Underhood Fuse Block - IGN2 Fuse, Ignition Switch, I/P Fuse Block - AUTO A/C BCM, HVAC EPS, ABS and HTD MIR Fuses


Object Number: 1257033  Size: FS
Master Electrical Component List
I/P Fuse Block - WPR, TCM BTSI, BCM ABS, CLSTR AUTO A/C and WSWA Fuses
Underhood Fuse Block - Battery Feeds