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What color on taillights are positive and negative

Old 10-14-2011, 03:12 PM
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Default What color on taillights are positive and negative

Tying to wire led strip lights inside bed and not sure of wires... Looked everywhere and unsuccessful.
Old 10-14-2011, 03:37 PM
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Anyone

TAIL LIGHTs
Positive color wire?

Negative color wire?
Old 10-14-2011, 03:41 PM
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You can go off of your 7 pin harenss under the truck, the 12v is orange, and the ground is white. But the constant 12 v needs the relay and fuse put in, and it's only hot with the truck on (or key forward)
Old 10-14-2011, 03:41 PM
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What color on taillights are positive and negative-image-214197991.jpg
Old 10-14-2011, 03:58 PM
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Originally Posted by 2010_FX4_Boston
Is this your tail light hook up? Cause none of them are hot unless you hit the brakes or the turn signals.
Old 10-14-2011, 04:26 PM
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Originally Posted by 2010_FX4_Boston
Tying to wire led strip lights inside bed and not sure of wires... Looked everywhere and unsuccessful.
Are you sure you want to tie into the tail lights or do you mean the cargo light?

Cargo light is located on driver's side of truck (front or back door). Its a gray wire with a violet stripe.
Old 10-14-2011, 04:55 PM
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I'm not really electrically savvy, just know simple basics. I know these will remain on once lights are on but dont draw much.

Until I know exactly how to tie them into a switch it will work for now. I do like that when a door is opened, say jumping out quick the lights activate and I'll be able to see at night under cover.

If anyone can draw me a diagram how to run both lights to a switch connected to a constant hot wire I'd greatly appreciate it.
I like that



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Old 10-14-2011, 05:15 PM
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Only way to get a true hot wire with a switch is to tap into the battery with an inline fuse. Or off the fuse box that has a constant hot.
Old 10-14-2011, 05:24 PM
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Originally Posted by 2010_FX4_Boston
Anyone

TAIL LIGHTs
Positive color wire?

Negative color wire?
Been only 25 minutes sport.

Violet with white stripe is positive.
Black with green stripe goes to ground.

Last edited by johnwill; 10-14-2011 at 05:34 PM.
Old 02-07-2012, 04:18 PM
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