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Discussion Starter · #1 ·
i have a 2007 regular cab 3500 dually duramax,, the extra switch in the dash by the airbag switch, wheres the end of the wireing?? someone said mybe behind the drivers rear pillar???
 

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It should be up in the ceiling / headliner .
 

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some times you can find it behind the third break light sometimes you have to drop the back of the head liner ... Ive also found it in the B pillar behind the door.
 
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