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3rd brake light wiring

FORD*DIEHARD

Contributor
Sr. Member
Joined
Sep 20, 2018
Messages
353
I am going to install these (lug nut brake lights in my swing out spare tire) that is offset to the passenger side so I do not want to hook up the lights to the blinker , I just want it connected to the brake light.

I have attached a photo of the pigtails that plug into the rear taillight lens. The female plug is the running lights and the male plug is for the blinker/brake light.

The wire harness for the lug nut lights have (02) separate white wires- power, and (02) black wires already with a flat connector-ground.

Where would be the best place to (splice the white wires into a wire just for brakes, I apologize ahead of time to the electricians out there if that is not the correct terminology).

If you have photos that show it even better.

Thank you in advance for your time/help,

Sonny
 

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Jebus

Full Member
Joined
Feb 13, 2011
Messages
303
Loc.
Longview, WA
The simplest method would be to run another wire back from the output of the brake light switch .
Any other way would require some form of electronic device to keep the left and right seperate...
 
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FORD*DIEHARD

FORD*DIEHARD

Contributor
Sr. Member
Joined
Sep 20, 2018
Messages
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Just making sure were talking about the same thing.

Run a wire from the top side from the brake light switch to the (02 white power wires to the lug nut lights?)

I was originally thinking of doing that but wasnt sure if there was a close place to connect the wire.

Thank you for your time/help,

Sonny
 

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Jebus

Full Member
Joined
Feb 13, 2011
Messages
303
Loc.
Longview, WA
Yep, the output of that switch. One is hot all the time. The other is the output. Dont hang a bunch of wire there close to the switch. It wont stay plugged in...
 

Jdgephar

Bronco Guru
Joined
Sep 25, 2012
Messages
1,517
The simplest method would be to run another wire back from the output of the brake light switch .
Any other way would require some form of electronic device to keep the left and right seperate...
2nd this. Just run a wire from the brake switch. I found a diagram to build a circuit with 3 relays and some diodes to make it work, but its still better to just run the one wire from the brake switch.

Sent from my SM-G981U using Tapatalk
 
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