GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Cigar Lighter/Power Outlet Schematics
Figure 1:

Base
Object Number: 1198104 Size: FS
Master Electrical Component List
UQ7 Except Y91
B+ Bus Bar - 1 of 2
INFO, CGR LTR
LBEC 1, LBEC 2, MBEC 1
G200 - 1 of 3
G200 - 2 Of 3
G200 - 1 of 3
G410 - 1 Of 3
G410 - 1 Of 3
Figure 2:

UQ7 - Except Y91
Object Number: 834281 Size: FS
Master Electrical Component List
Y91 Only
Base
B+ Bus Bar - 1 of 2
INFO, CGR LTR
LBEC 1, LBEC 2, MBEC 1
G200 - 1 of 3
G200 - 2 Of 3
G200 - 1 of 3
G410 - 1 Of 3
G410 - 1 Of 3
Figure 3:

Y91 Only
Object Number: 834283 Size: FS
Master Electrical Component List
UQ7 Except Y91
B+ Bus Bar - 1 of 2
LBEC 1, LBEC 2, MBEC 1
INFO, CGR LTR
G200 - 2 Of 3
G200 - 1 of 3
G200 - 1 of 3
G410 - 1 Of 3
G410 - 1 Of 3