How to Connect 4-Way Wiring to Trailer With Separate Signal and Brake Light Wires

Question

Question:

I have a separate blue wire for my brake lights. I am wiring up a 4 pin 4 wire connector. Do I need a jumper between blue and brown in order for my brake lights to work.

asked by: Jimmy

1

Separate Brake Light Wire
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Helpful Expert Reply:

Since your brake wire is separate from the turn signal you will need a converter. The Curt 2 to 3 Wire Tail Light Converter # C56196 will separate the turn signal and brake signal. Wire this into your 4-way on the trailer side and connect your blue wire to the red stop wire.

expert reply by: Robin H

1

Answer 1

Trailer spindles are welded directly to the axle so to remove one it just needs to be cut off completely using a torch or saw. Then to replace the spindle such as with the EZ Lube #TRU37FR that you were looking at it's extremely important that it…

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Answer 2

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 3

Since your trailer uses a combined wiring system where the stop and turn signals run on the same circuit, in order to add a third brake light to your trailer you would need to use a 2-Wire to 3-Wire Converter, like part #118158. This will convert the…

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Answer 4

You would not be able to charge your battery through the wiring on your 4-way trailer connector. Since your truck has a 7-way connector, you could maintain the power to the battery but not charge it. To begin, you would need to cut off your 4-way…

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Answer 5

I've never heard of an actual third brake light connector on a camper shell to plug in on a truck and we don't carry any parts to do that. The light generally needs to be hardwired into the truck's brake light circuit. The issue with this…

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Answer 6

How many pins does the connector have on your tow vehicle? If there are six total pins including the center pin you would want the part #BX88206. If instead there are 4 pins on the smaller connector you would want the part #BX88254.

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Answer 7

Typically, the wire colors are brown for running lights, green for right turn and brake lights, and yellow for left turn and brake lights. White is ground. To confirm this on a trailer you can trace the wires back to see where they terminate or take…

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Answer 8

While there is not an adapter for your new car with a 4-pole, we do still have exactly what you need. You are going to have to cut off the existing 4-pole and re-wire it to the: -RoadMaster 6-Wire Trailer Connector #RM-910030-7. You may also need a…

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Answer 9

For your 2021 Chevrolet Silverado you will have to splice into the factory wiring to use the 3rd Brake Light Logic Module #PP20-702 to connect the left and right turn signals, along with the green wire. You can also combine this harness #PP20-702…

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Answer 10

To add a third brake light to a trailer is pretty simple, but does require an adapter to convert the signal. Because trailer tail light systems combine the stop lamp and turn signals for each side onto a single circuit, you will need to use a…

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Answer 11

Hello Leonard, thanks for reaching out. On a typical 4-flat like the Tekonsha #118578, the yellow wire is for left turn signal and brake, then the green wire is for right turn brake. The way I remember it is the word yellow has the letter…

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Answer 12

I have a solution for you to hook up the Optronics LED Trailer License Plate Light w/ Bracket #LPL55CB to your 2021 Subaru Ascent without tapping into the wiring. You could install Hopkins Endurance Easy-Pull Harness w/ 4-Pole Flat Connector -…

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How to Connect 4-Way Wiring to Trailer With Separate Signal and Brake Light Wires

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