GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 TrailBlazer - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Schematics
Figure 1:

Left
Object Number: 743743 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Right
B+ Bus - Rear Fuse Block
Data Link Connector and SP205
SP306
I/P Dimming Supply - 1of 2
G302 - 1 of 2, G303 and G304
Right
Figure 2:

Right
Object Number: 890697 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Left
B+ Bus - Rear Fuse Block
Data Link Connector and SP205
SP306
I/P Dimming Supply - 1of 2
G302 - 1 of 2, G303 and G304
Left