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

G104, L18, 1 of 2, All Except HO2S Circuit


Object Number: 646983  Size: FS
Master Electrical Component List
G104 (L65)
Figure 2:

G104, L65


Object Number: 646987  Size: FS
Master Electrical Component List
G105, L18, All except Ignition Coils
G104 (L18)
Figure 3:

G105, L18, 1 of 2, All Except Ignition Coils


Object Number: 646988  Size: FS
Master Electrical Component List
G105, 2 of 2, Ignition Coils
G104 (L65)
G105, 2 of 2, Ignition Coils
Figure 4:

G105, L18, 2 of 2, Ignition Coils


Object Number: 646989  Size: FS
Master Electrical Component List
G105 and G106 (L65)
G105, L18, All except Ignition Coils
G105, L18, All except Ignition Coils
Figure 5:

G105 and G106 (L65 Except Frame Ground)


Object Number: 646990  Size: FS
Master Electrical Component List
G102, G103, G106 (L65), G110, G111, G112 (Battery), and G115
G105, 2 of 2, Ignition Coils
G102, G103, G106 (L65), G110, G111, G112 (Battery), and G115
Figure 6:

G102, G103, G106 (L65, Frame), G110, G111, G112 (Battery), and G115


Object Number: 646991  Size: FS
Master Electrical Component List
G112 (Lights, Right Side)
G105 and G106 (L65)
G112 (Lights, Right Side)
G105 and G106 (L65)
Figure 7:

G112, Lights, Right Side


Object Number: 646993  Size: FS
Master Electrical Component List
G112 (Lights, Right Side)
G102, G103, G106 (L65), G110, G111, G112 (Battery), and G115
G102, G103, G106 (L65), G110, G111, G112 (Battery), and G115
Figure 8:

G113, Lights, Left Side


Object Number: 646994  Size: FS
Master Electrical Component List
G200
G112 (Lights, Right Side)
L18 Charging
Figure 9:

G200


Object Number: 646995  Size: FS
Master Electrical Component List
G202
G112 (Lights, Right Side)
Figure 10:

G202


Object Number: 646996  Size: FS
Master Electrical Component List
G203
G200
Figure 11:

G203


Object Number: 646997  Size: FS
Master Electrical Component List
G401 (all) and G404 (L65)
G202
Figure 12:

G401 (all) and G404 (L65)


Object Number: 646998  Size: FS
Master Electrical Component List
G404 (L18)
G203
Figure 13:

G404 (L18)


Object Number: 646999  Size: FS
Master Electrical Component List
G401 (all) and G404 (L65)