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

Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses


Object Number: 1862298  Size: FS
Master Electrical Component List
Auxiliary Underhood Fuse Block - (Diesel)
EF6, EF7, EF39, Fuses
EF33 Fuse
Figure 2:

Auxiliary Underhood Fuse Block - Diesel


Object Number: 1867519  Size: FS
Master Electrical Component List
EF33 Fuse
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
Figure 3:

EF33 Fuse


Object Number: 1868862  Size: FS
Master Electrical Component List
EF6, EF7, EF39, Fuses
Auxiliary Underhood Fuse Block - (Diesel)
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
EF6, EF7, EF39, Fuses
Figure 4:

EF6, EF7, EF39 Fuses


Object Number: 1862300  Size: FS
Master Electrical Component List
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
EF33 Fuse
EF33 Fuse
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
G101, G106, G107
Figure 5:

EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29 Fuses


Object Number: 1862302  Size: FS
Master Electrical Component List
EF17, EF21, EF23, EF35, EF36, EF37 Fuses
EF6, EF7, EF39, Fuses
EF6, EF7, EF39, Fuses
EF17, EF21, EF23, EF35, EF36, EF37 Fuses
EF8, EF4 Fuses, Ignition Switch, F1, F2, F3, F4, F5, F6, F7, F10, F11, F12, F13, F14, F16, F17, F18, F20, F21, F23 Fuses
F8, F9, F15, F22 Fuses
G103, G105, G201
G104
Figure 6:

EF17, EF21, EF23, EF35, EF36, EF37 Fuses


Object Number: 1862303  Size: FS
Master Electrical Component List
EF26, EF28, EF34, Fuses
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
EF26, EF28, EF34, Fuses
F4, F13, F20, F21 Fuses
Figure 7:

EF26, EF28, EF34 Fuses


Object Number: 1862306  Size: FS
Master Electrical Component List
F8, F9, F15, F22 Fuses
EF17, EF21, EF23, EF35, EF36, EF37 Fuses
EF17, EF21, EF23, EF35, EF36, EF37 Fuses
G103, G105, G201
Figure 8:

F8, F9, F15, F22 Fuses


Object Number: 1862308  Size: FS
Master Electrical Component List
EF8, EF4 Fuses, Ignition Switch, F1, F2, F3, F4, F5, F6, F7, F10, F11, F12, F13, F14, F16, F17, F18, F20, F21, F23 Fuses
EF26, EF28, EF34, Fuses
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
Figure 9:

EF8, EF4 Fuses, Ignition Switch, F1, F2, F3, F4, F5, F6, F7, F10, F11, F12, F13, F14, F16, F17, F18, F20, F21, F23 Fuses


Object Number: 1862309  Size: FS
Master Electrical Component List
F10, F16, F17 Fuses
F8, F9, F15, F22 Fuses
EF2, EF4, EF8, EF15, EF20, EF22, EF24, EF25, EF29, Fuses
F10, F16, F17 Fuses
Figure 10:

F10, F16, F17 Fuses


Object Number: 1862313  Size: FS
Master Electrical Component List
F1, F2, F3, F11, F18 Fuses
EF8, EF4 Fuses, Ignition Switch, F1, F2, F3, F4, F5, F6, F7, F10, F11, F12, F13, F14, F16, F17, F18, F20, F21, F23 Fuses
SIR Schematic Icons
EF8, EF4 Fuses, Ignition Switch, F1, F2, F3, F4, F5, F6, F7, F10, F11, F12, F13, F14, F16, F17, F18, F20, F21, F23 Fuses
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
SIR Schematic Icons
Figure 11:

F1, F2, F3, F11, F18 Fuses


Object Number: 1862314  Size: FS
Master Electrical Component List
F4, F13, F20, F21 Fuses
F10, F16, F17 Fuses
Alternator, EF1, EF3, EF5, EF18, EF19, EF27, EF30, EF33 Fuses
Figure 12:

F4, F13, F20, F21 Fuses


Object Number: 1862316  Size: FS
Master Electrical Component List
F5, F6, F7, F14 Fuses
F1, F2, F3, F11, F18 Fuses
EF17, EF21, EF23, EF35, EF36, EF37 Fuses
Figure 13:

F5, F6, F7, F14 Fuses


Object Number: 1862331  Size: FS
Master Electrical Component List
F19 Fuse
F4, F13, F20, F21 Fuses
Figure 14:

F19 Fuse


Object Number: 1862333  Size: FS
Master Electrical Component List
F5, F6, F7, F14 Fuses