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Wiring Guide For The Furrion RV Side Camera W/ Night Vision  

Updated 07/13/2026 | Published 10/16/2021

Question:

The furrion side camera has 4 wires -camera red wire, traffic lamp Brown wire, trigger signal yellow wire and ground black wire. Which wires are connected together to hot wire and which wires to ground?

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Expert Reply:

For your LED Marker Light RV Side Cameras w/ Night Vision for Furrion Vision S Systems # FOS05TASF you will want to follow the wiring as provided below:

RED: Connects to positive wire on running lights circuit.

BROWN: Will connect to the positive wire on your vehicle's running lights circuit.

BLACK: Ground wire

YELLOW: Is the trigger wire, and is only used in LED versions.

expert reply by:
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Bryce D
Wire color code instructions
Wire color code instructions
(click to enlarge)
Trigger signal use
Trigger signal use
(click to enlarge)
Ronald M. profile picture

Ronald M.

7/8/2024

I only have 4 wires on my marker lights cant figure out how to wire 4.

Bryce D. profile picture

Bryce D.

7/9/2024

@RonaldM If you have the Furrion side marker cameras, then the RED will connect to the positive wire on running lights circuit, the BROWN will connect to the positive wire on your vehicle's running lights circuit, the BLACK is your ground wire, and your YELLOW is the trigger wire,
Russell profile picture

Russell

12/14/2025

When you say "YELLOW: Is the trigger wire, and is only used in LED versions." Does this refer to the LED marker light?

Stephen profile picture

Stephen

12/15/2025

Hi Bryce, Why connect both the red and brown wires to the running lights circuit? Is the brown wire specifically for the running lights and the red wire specifically to power the camera? Can the red wire be connected to a trailer hot wire so that the camera can be active at all times for security monitoring when disconnected from the tow vehicle? Furrion/Lippert tout the cameras as security monitoring devices when parked, but per your reply, the cameras will not be useable when the tow vehicle is disconnected, or connected with the running lights turned on, which no one would do.

Jesse M. profile picture
Etrailer Expert

Jesse M.

12/15/2025

@Stephen Hi Stephen, great questions. The reason both the red and brown wires tie into the running light circuit is because that’s the way Furrion designed the side marker cameras to receive power. The red wire feeds the camera itself, and the brown wire feeds the marker light portion of the assembly. Since the system is built so the camera activates only when the marker lights have power, wiring both to the running light circuit keeps everything operating as intended. Connecting the red wire to a constant hot line sounds appealing for security, but it creates issues because the camera isn’t designed for always-on operation and the internal electronics rely on the same circuit that powers the marker light. Furrions “security mode” refers to when the tow vehicle remains connected and the marker light circuit stays energized, not an independent battery powered system after disconnect. If a true always-on camera setup is the goal, the best option is an external power source and a dedicated camera system designed for 24/7 monitoring like the new Vision S+.
Stephen profile picture

Stephen

12/15/2025

@JesseM. Thanks Jesse, so it is doable with the Vision S+? That is what I am looking to purchase as the upgrade to the Vision S. Again, no one is going to leave their running lights on all the time when parked. If so, the camera would still be subjected to an always-on scenario. And I don’t see any issues affecting the camera itself if it is powered on all the time.
Jesse M. profile picture
Etrailer Expert

Jesse M.

12/15/2025

@Stephen Yes the Vision S+ can be used as an observation camera or backup camera.
Dan S. profile picture

Dan S.

2/11/2026

i have the furion side cameras on my new brinkley rv wired brown and red to running lights positive and black ground to black i have running lights and the blue light is on the camera showing power My issue is when paring i dont get a blinking parring light I have tried everything pusing button for 1 second 2,3,5,8,10,15 seconds and still no blinking light please help me thanks

Stephen profile picture

Stephen

7/12/2026

This post is lacking information that I hopefully will explain better. I have a 2020 Forest river that was prewired for Furrion S not S+. I purchased the S+ anyways for the better quality images. The shark fin camera mounts and plugs in easy and is straight forward and a prewired Forest River camper. The 2 side marker light cameras took a bit of head scratching. The marker lights on my camper had only 2 wires. Running light + and ground. The confusing part is the instructions and also this website kept using the phrase (used only if equipped with LED) Well both the cameras and the camper are equipped with LED and that has nothing to do with anything that I can tell. After a bit of research and figuring I determined that if I wanted to use it as a security cams while inside the camper, I would need to run a hot + wire to the marker light/camera location and connect it to the POS+ wire on the cameras. This would make the cameras active full time. If I wanted to have the marker lights on the camera use the turn signal feature OR if I wanted to set the monitor up in the truck to switch to a full screen side view when the turn signal is activated, I would have to run an addition turn signal wire to each of the side cameras. For me, I am not concerned about security, so I just connected the + marker light wire on the camper to both the pos+ and the marker light (red and brown) wire on the camera and every time I turned on the running lights in my truck the camera's are activated along with the marker lights that are integrated with the side view cameras. The yellow trigger wire on the camera's was not connected. I just taped it and tucked it in the hole. In the future I may add the hot pos+ wire for security monitoring but see no reason for the turn signal/trigger wire to ever be used since I am pulling a fifth wheel and the location of the camera and light is forward the rear turn signal on my truck. I hope this is helpful to someone.

Jerry B. profile picture
Etrailer Expert

Jerry B.

7/13/2026

@Stephen Thanks for your feedback and your additional instruction. That will definitely be useful!

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