GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Body 🢒 Instrument Panel, Gages, and Console 🢒 Audible Warnings Schematics
Figure 1:
Object Number: 1449223 Size: FS
Master Electrical Component List
Audible Warnings Description and Operation
Back Up Alarm Circuit
IGN A Fuse and Ignition Switch
Park Lamps and Illumination Fuses
Lighting and Battery Fuses
Stop/Haz, Radio Batt, Aux Pwr, and Cig Ltr Fuses
G200
G200
G202
G104, L18, 1 of 2, All Except HO2S Circuit
Figure 2:

Back Up Alarm Circuit
Object Number: 690861 Size: FS
Master Electrical Component List
Audible Alarms Circuit
IGN A Fuse and Ignition Switch
Stop Lamps and Turn/Hazard Lamps Controls
Backup Lamps Circuit