Adapter for Truck Wiring To Wire Third Brake Light of Camper Shell

Question

Question:

Im trying to wire up my 3rd tail light on my leer camper shell. I tried doing it off the driver side tail light wiring but no matter what I do it cause the 3rd brake light to blink when using the driver side signals. So I googled how to wire this 3rd tail light and came across a few of this company a post that theres a blue wire used for the 3rd tail light. So I got under my truck and looked for th8s blue wire. But my truck dont have one just Brown black light green dark green and yellow. So what can I do to wire this 3rd tail light to my 2988 Chevy Silverado c1500 short bed regular cab 4.3 v6 truck?

asked by: Keith H

0

Expert Reply:

What you can do is use the converter box part # 118158 wired to either you taillight wiring or trailer wiring and you'll have a dedicated stoplight circuit on the red wire. If you ground the white wire and then run the green wire to the right turn circuit and the yellow to the left turn on the input side of the box the red wire on the output side of the box will have just the stoplight.

expert reply by: Jameson C

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Answer 1

If you take a look at the diagram I've provided for the Replacement Power Switch for RAM Electric Trailer Jack with Footplate #EJ-3520-PSW which goes to the Electric Jack w/ Footplate #EJ-3520-WBX, you'll be able to see how both of the…

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Answer 2

To activate a breakaway system such as #20099 you would just pull the pin out of the switch. With the pin removed the metal contacts inside can touch completing the circuit and supply 12 volt power from the breakaway battery to the trailer brakes. It…

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Answer 3

Unfortunately, your photo didn't come through, but we get asked this question fairly often. There is a bundle of wires under the brake pedal of your 2012 GMC Sierra that will have an orange wire that should be used to power the third brake light…

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Answer 4

You can use 7-way trailer wiring with the module part #PP20-702 to provide power to the third brake light of your camper shell/cap. Basically the stop/turn circuits of the trailer wiring need to run to the yellow wires of this module and then the…

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Answer 5

If you absolutely do not want to splice into the vehicle you could use the trailer connector to power the third brake light on a truck bed camper but the issue with using the trailer connector is that the stop/turn circuits are combined. Therefore,…

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Answer 6

It looks like you're on the right track. The #PP20-702 module will separate the brake signal out from the turn signals and the #277-000143 can be plugged into the 7-way in your truck bed and will provide access to the turn signal circuits for the…

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Answer 7

The 12V wire at the vehicle-end trailer connector being hot even when the truck is off can vary depending on the application. For all aftermarket hardwiring installations of a 7-Way wiring harness, the 12V wire will be hot at all times, even when the…

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Answer 8

In order to wire this up the way you want, and also be able to disconnect it easily, I suggest using the Hopkins 4-Pole Flat Wiring Extension - 120" Long #HM48235 and the 3rd Brake Light Logic Module #PP20-702. I would start by cutting the…

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Answer 9

The dark blue wire that you found actually coming from your Sierra 2500's 7-Way connector carries the signal for the trailer's electric brakes. You won't want to tap into this wire for the third brake light on your topper because of the…

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Answer 10

The 3rd Brake Light Logic Module part #PP20-702 is the solution to your problem. It's very cost effective and easy to install. The module simply takes the stop/turn signal from the vehicle whether that's the right or left side and separates…

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Answer 11

The first thing you want to do is check above the spare tire on your 2014 GMC Sierra 1500 for a wire loom and there may be a light blue wire that is the lead for your third brake light; you do need to verify this with the use of a circuit tester such…

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Answer 12

Yes, you can use the factory trailer connector on your 2015 Nissan Titan to power the third brake light on your Leer camper shell. That said, they don't make a plug and play harness for this so you will need to do some wiring but no splicing into…

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