GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Monte Carlo 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Sunroof Schematics
Figure 1:

Sunroof (w/o U68)
Object Number: 810152 Size: FS
Master Electrical Component List
Sunroof Description and Operation
Sunroof [w/U68]
CLSTR/BCM, DK LK, LEFT IP, LT HTD ST/BCM, and PWR MIR
G203 [1 of 2]
Figure 2:

Sunroof (U68)
Object Number: 810157 Size: FS
Master Electrical Component List
Sunroof Description and Operation
Sunroof [w/oU68]
CLSTR/BCM, DK LK, LEFT IP, LT HTD ST/BCM, and PWR MIR
G203 [1 of 2]