GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Park Avenue 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Rear Parking Assist Schematics
Figure 1:

Power and Ground
Object Number: 660992 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Sensors and Display
Battery Feed to Left and Right Underhood Fuse Blocks
OXY SEN and SBM LCM Fuses
ABS, PCM, HZDT/SG, F/PMP, LP PK and B/U LAMP Fuses
Backup Lamps
Gages
G400 - 1 of 2
Inside Rearview Mirror Schematics
Figure 2:

Sensors and Display
Object Number: 660995 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Power and Ground