Rhe tailgate light on the dashboard will not turn off

It can be faulty light switch or issue with wiring getting power from any other 12 volt source causing the problem.---------With related to these problems,there are few helpful links,that will definitely help you to reach till the cause of these problem:-----Click the link below:----------------1998 Mercury Sable: Dome Light will not Turn OFF? http://whoisbyme.blogspot.in/2012/06/1998-mercury-sable-dome-light-will-not.html
------------- Interior dome light and cargo light will not shut off?

http://howtobyme.blogspot.in/2012/02/interior-dome-light-and-cargo-light.html

-------------
2009 Ford Focus: Overhead Light wont turn OFF? http://whoisbyme.blogspot.in/2012/06/2009-ford-focus-overhead-light-wont.html
------------ 2003 Mercury Sable: Door Ajar Light and Dome Light Remains ON? http://whoisbyme.blogspot.in/2012/06/2003-mercury-sable-door-ajar-light-and.html
------------- Rear Tail light wiring diagram for 2000 Isuzu Rodeo?

http://technoanswers.blogspot.in/2012/02/rear-tail-light-wiring-diagram-for-2000.html

------------
1997 Nissan Sentra Tail light wiring diagram?

http://technoanswers.blogspot.in/2012/02/1997-nissan-sentra-tail-light-wiring.html

------------
What wire to connect to hook up trailer on Nissan Sentra? http://technoanswers.blogspot.in/2012/02/what-wire-to-connect-to-hook-up-trailer.html
-----------1994 Toyota Camry: Bypass Tail light Relay Circuit? http://whatisbyme.blogspot.in/2012/04/1994-toyota-camry-bypass-tail-light.html
----------2008 Toyota RAV4: Replace Tail light Lens Cover?

http://technoanswers.blogspot.in/2012/04/2008-toyota-rav4-replace-tail-light.html
----------
2003 Chevrolet S10 Tail light Fuse http://schematicsdiagram.blogspot.com/2012/11/2003-chevrolet-s10-tail-light-fuse.html
----------- Chevrolet Parking light and Tail lamp light Wiring diagram http://schematicsdiagram.blogspot.com/2012/11/chevrolet-parking-light-and-tail-lamp.html
----------- Car Tail Lights Not Working?

http://schematicsdiagram.blogspot.com/2011/12/car-tail-lights-not-working.html

-------------
Turn Signal Not working http://technoanswers.blogspot.com/2012/11/turn-signal-not-working.html
----------- Right turn signal not working on Pontiac Car?

http://schematicsdiagram.blogspot.com/2011/12/right-turn-signal-not-working-on.html

---------
Only one side indicator light working on car?

http://schematicsdiagram.blogspot.com/2011/12/only-one-side-indicator-light-working.html

-----------
Turn signals not working on 1987 Jeep Wagoneer? http://schematicsdiagram.blogspot.com/2011/12/turn-signals-not-working-on-1987-jeep.html

-----------
These will help.
Thanks.

Need more ifo