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Which wire is power for parking lights

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This is driving me nuts not a single Brown wire on my headlights switch and the one I tapped into isn't turning my cab lights on. Can anyone point me in the right direction here? 2006 gmc sierra sle. 5eef7466d72a2958e2461720b23dd41c.jpg13a152ab300432af63c355c16f646209.jpg


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It's a gray/black wire. That controls the parking lights off the bcm. I used a similar method for my backup camera.


Correction. That is the negative side

Edited by Chris
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  • 3 years later...
On 3/19/2020 at 9:25 PM, Hawkboy.nathan said:

Trying to wire the lights to automatic locks 


There's not a member here that has a clue as to what vehicle you're trying to do this in.  Mind giving us a clue or do you want us to just guess?

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