GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E/4L65-E/4L70-E 🢒 Data Communication Component Views
Figure 1:

Behind the I/P
Object Number: 1934383 Size: LF
(1)Body Control Module (BCM)
(2)Auxiliary Body Control Module (XBCM) (Export)
Figure 2:

Below the Driver Knee Bolster
Object Number: 1860615 Size: LF
(1)I/P Trim
(2)Instrument Panel Cluster
(3)Data Link Connector (DLC)
Figure 3:

Below the I/P
Object Number: 1714212 Size: LF
(1)I/P Trim
(2)I/P Cluster Trim
(3)Floor Panel
(4)Junction Block - Left I/P
(5)Body Control Module (BCM)
(6)Transfer Case Shift Control Module
(7)Fuse Block - I/P
Figure 4:

Left Rear of the Chassis Frame
Object Number: 1858054 Size: LF
(1)Rear Bumper
(2)Junction Block - Rear Lamps
(3)Terminator Resistor
(4)Trailer Connector (UY7)