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  #1  
Old 05-16-2011, 05:30 PM
whozleft whozleft is offline
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Default Tapping into third brake light

I have a cap on my truck and would like to find out where I can tap into the third brake light wiring in order to power the brake light on the cap.

Has anyone done this? If so where did you grab the power at? I guess I didn't really want to pull directly from the light itself and then have a wire hanging between the cap and rear of cab. I thought maybe there was a place to tap into and then run the wiring underneath somewhere.

Thanks for any help.

Gary
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Old 05-16-2011, 08:23 PM
TerrenceStuart TerrenceStuart is offline
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Default Re: Tapping into third brake light

why not just tap into one of your tail light brake lights? thats what they do when installing toppers at accessory shops.
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Old 05-16-2011, 08:30 PM
klinger86 klinger86 is offline
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Default Re: Tapping into third brake light

Quote:
Originally Posted by machine090767 View Post
why not just tap into one of your tail light brake lights? thats what they do when installing toppers at accessory shops.
x's 2 probably gonna be cheaper cuz you dont have to have as much wire and probably alot quicker.... you could even put some quick disconnects close to the tails so if you needed to take the topper off to haul something...
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Old 05-16-2011, 08:34 PM
tpl593 tpl593 is offline
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Default Re: Tapping into third brake light

the third brakelight for the truck wire goes right by my driver seat so i split it off so it still runs to the 3rd brake light on the truck and then just ran with in addition all the way under the bed and into the cap

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the ground i just used as the ground for the tail lights
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Old 05-17-2011, 01:45 AM
STL STL is offline
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Default Re: Tapping into third brake light

I would tap into a wire at the brake light. Less wire to run.
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Old 05-17-2011, 03:19 AM
whozleft whozleft is offline
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Default Re: Tapping into third brake light

I have it tapped into the left rear brake light now. The problem is that when I hit the left turn signal the brake light also flashes. I was trying to bypass the turn signal/brake light portion.

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Quote:
Originally Posted by tpl593 View Post
the third brakelight for the truck wire goes right by my driver seat so i split it off so it still runs to the 3rd brake light on the truck and then just ran with in addition all the way under the bed and into the cap

----------

the ground i just used as the ground for the tail lights
Do you remember what color the wire was by any chance?
Thanks
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Old 05-17-2011, 04:19 AM
Pbav8tor Pbav8tor is offline
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Default Re: Tapping into third brake light

If you are going to tap into the brake light you need a Logic Box to block turn signal. Check them out on this page. http://www.truckoutfittersplus.com/s...ake_lights.htm
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Last edited by Pbav8tor; 05-17-2011 at 04:22 AM.
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  #8  
Old 05-17-2011, 05:16 AM
Clinton Clinton is offline
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Default Re: Tapping into third brake light

Quote:
Originally Posted by STL View Post
I would tap into a wire at the brake light. Less wire to run.
x2, this is the way to go
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