GMC 2010 Sierra Owner's Manual page 209

Disconnecting the Rear Vision Camera
To disconnect the camera:
1. Remove the license plate.
2. Disconnect the camera connectors from the
chassis harness, located behind the license plate,
by pressing on the release tab on each connector.
A. Chassis harness connector
B. Release tab
C. Camera connector
3. Plug the two exposed chassis harness connectors
together to prevent contamination.
A. Chassis harness connector
B. Release tab
4. Feed the wiring harness through the pickup box,
then plug the camara connectors together to
prevent contamination.
5. Remove the tailgate. See Tailgate on page 3 14
for more information.
6. Re install the license plate.
Reverse this procedure to reinstall the rear vision
camera and make sure the grommet and connection is
secure.
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