GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Vibe - FWD 🢒 Accessories 🢒 Entertainment 🢒 Navigation System Schematics
Figure 1:

Navigation Radio -- U1A
Object Number: 785490 Size: FS
Master Electrical Component List
Navigation System Description and Operation
Navigation Radio - U1A and Remote CD Changer
Horn, Dome, Main, Amp Fuses
Horn, Dome, Main, Amp Fuses
Horn, Dome, Main, Amp Fuses
Ignition Switch (1 of 2)
Illumination Lamps
Park Lamps
Figure 2:

Navigation Radio - U1A and Remote CD Changer
Object Number: 1251261 Size: FS
Master Electrical Component List
Navigation System Description and Operation
Navigation Radio - U1A
Tachometer, Speedometer and Headlamps ON Indicator
Back Up Lamps
SP201 and G201
SP201 and G201