GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Yukon XL - 4WD 🢒 Accessories 🢒 Rear Parking Assist 🢒 Rear Parking Assist Schematics
Figure 1:

Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
Object Number: 1245304 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Rear Object Sensor Control Module and Object Sensors
Ignition Switch - ACC/RUN/START, ACC/RUN, and RUN/START Bus Bars
Indicators
O2A, O2B, TBC IGN 1, SEO IGN Fuses
Backup Lamps
Interior Lights and LED Dimming Control
I/P Dimming Supply Voltage - 5 of 7
LED Dimming Supply Voltage - 1 of 2
G410 - 1 of 3
G410 - 1 of 3
G306
G203 - 1 of 3
Figure 2:

Rear Object Sensor Control Module and Object Sensor
Object Number: 1245305 Size: FS
Master Electrical Component List
Object Detection Description and Operation
Rear Object Sensor Control Module, RPA Display, RPA Disable Switch
G410 - 1 of 3
G306