GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra - 4WD 🢒 Safety and Security 🢒 Immobilizer 🢒 Immobilizer Component Views
Figure 1:

Steering Column Components
Object Number: 1739403 Size: LF
(1)Turn Signal Multifunction Switch
(2)Ignition Lock Cylinder
(3)Tow/Haul Switch
(4)Steering Angle Sensor
(5)A/T Shift Lock Control Solenoid
(6)Theft Deterrent Control Module
(7)Ignition Switch
(8)Inflatable Restraint Steering Wheel Module Coil
Figure 2:

Near the Hood Latch
Object Number: 1858048 Size: LF
(1)Upper Tie Bar
(2)Hood Ajar Switch (AP3/AP8)
(3)Ambient Air Temperature Sensor - ISRVM