GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 TopKick C-Series (Crew) C4/C5 🢒 Body and Accessories 🢒 Doors 🢒 Power Window Schematics
Figure 1:

Window Switches and Motors-Reg Cab
Object Number: 795082 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Power Window Switches and Motor - Crew Cab
IGN 4 and HDLP Fuses, ELECTRIC BRAKE (C4/C5), BRAKE LAMP (C6/C7/C8), AND PWR WINDOW Circuit Breakers, RADIO, DRL, and MARKER Fuses/Circuit Breakers
Panel, Door Switches
G102 - 1 of 2
Figure 2:

Window Switches and Motors-Crew Cab
Object Number: 795087 Size: FS
Master Electrical Component List
Power Windows Description and Operation
Power Window Switches and Motor - Reg Cab
IGN 4 and HDLP Fuses, ELECTRIC BRAKE (C4/C5), BRAKE LAMP (C6/C7/C8), AND PWR WINDOW Circuit Breakers, RADIO, DRL, and MARKER Fuses/Circuit Breakers
Panel, Door Switches
G102 - 1 of 2