GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Savana 🢒 Body and Accessories 🢒 Stationary Windows 🢒 Defogger Schematics
Figure 1:

Rear Window Defogger Relay
Object Number: 497701 Size: FS
Stationary Windows Components
Rear Window Defogger Circuit Description
Outside Rear View Mirrors, Rear Power Windows
LIGHTING and BATT Fuses
IGN A, IGN B Fuses, and Ignition Switch
CRUISE, HTR A/C, and BRAKE Fuses
Handling ESD Sensitive Parts Notice
Components through S202 and S205 to G201
G201
G400
Outside Rear View Mirrors, Rear Power Windows
Outside Rear View Mirrors, Rear Power Windows
Outside Rear View Mirrors, Rear Power Windows
Figure 2:

Outside Rear View Mirrors, Rear Power Windows
Object Number: 497711 Size: FS
Stationary Windows Components
Rear Window Defogger Circuit Description
Rear Window Defogger Relay
Rear Window Defogger Relay
Rear Window Defogger Relay
Rear Window Defogger Relay
G200
G400
G401