Dodge Ram Trailer Wiring Color Code (Must Know)
How do you feel when you encounter a trailer with no light when navigating? What about you driving a truck without trailer wiring lights? Extremely dangerous!
A Dodge ram trailer is an excellent truck to use On-Road and Off-Road, but the most important thing you should note is that it needs to have a proper trailer wiring light system to enable all indicating lights to work perfectly.
First, however, this article would brief you more about trailer wiring lights and codes.
Dodge ram trailer wiring code is a specific wire instruction that assists drivers in getting their trailer lights working before towing or navigating. While we have different colors of wire running in the system and it’s important to know the use of all. With color code, you receive guidance on using a certain wire from what it does.
What Do The Wire Colors Mean on a Trailer?
Wire colors in a trailer are meant for guidance on indicating wires in your trailer wiring system, such as their uses.
Specifically, the color code in your trailer aids the proper installation of wires which makes your trailer lights work perfectly.
With the wrong wire color inserted, you may burn your truck wiring system, so it’s important to know the color code for wiring your trailer.
Formerly, there were only four color cables in your trailer, but as innovation improved, more came in.
The four most used are White, Yellow, Green, and Brown.
These color cables have their purpose, and as I mentioned earlier, an improper installation can severely damage your vehicle wiring system.
Most users blow their fuses because they lack knowledge or make a little mistake that they could have easily avoided.
What Color Are the Wires for Trailer Lights?
Ideally, White, Yellow, Green, and Brown wires are for trailer lights.
However, with modifications, it may add many colors to its system, such as; Gray, Blue, Black, and Red.
Moreover, there are different types of trailer wiring pins: 4-pin, 5-pin, 6-pin, and 7-pin.
Most times, when people find it challenging to get through the right installation, they look for a trailer wiring diagram to help them out.
However, you mustn’t be a technician before you can wire your trailer before towing; all you need is the basics of each color code and its use in your truck.
You’d find more 4-pin wiring trailers than 7-pin wiring trailers, but don’t panic, as this article will show you the use of all the colors in any trailer wiring pin you encounter.
Below are the uses of each color code in any trailer wiring pin you come across:
#1. 4-Pin Wiring for Trailer
It’s very important to ensure proper trailer wiring light system installation to avoid confusing the road.
A mismatch of the cable will lead to the wrong indication on the road, which could lead to road accidents or confuse motorists also driving.
4-Pin wirings consist of Green, Yellow, Brown, and White. Here are the functions of the colored wires used on a 4-Pin wiring system:
- Brown: Taillights
- White: Ground
- Yellow: Brakes / Left turn
- Green: Right turn/ Brakes
#2. 5-Pin Wiring for Trailer
While we have the 4-Pin, we also have the 5-Pin. The 5-Pin wiring is just like that of the 4-Pin, but it has a new color cable which is blue; this aids for backup or reverse.
Not all trailers have a reverse, so you should know you’re dealing with the 5-Pin system once you see only this color added.
Below are what you should note when wiring trailer lights:
- White: Ground
- Yellow: Left turn / Brakes
- Brown: Taillights
- Green: Brakes / Right turn
- Blue: Backup / Reverse
#3. 6-Pin Wiring for Trailer
This model is an upgraded package entirely as the 6-Pin trailer comes with added features.
While the Blue color means reverse in a 5-Pin, here in 6-Pin, it is used for brakes.
However, the 6-Pin wiring comes with two added features which are Blue and Black color cables.
Check below to know why they are added:
- Blue: Electric Brakes
- Yellow: Brakes / Left turn
- Green: Brakes / Right turn
- Brown: Taillights
- Black: +12 volt
- White: Ground
#4. 7-Pin Wiring for Trailer
In 7-Pin wiring, you’d notice that most colors switched responsibility, so it’s important to know them well.
Below are wire colors you should know before wiring trailer lights:
- Brown: Taillights
- Red: Auxiliary Power
- Yellow: Left turn / Brakes
- Green: Right turn / Brakes
- Blue: Electric brakes
- White: Ground
- Black: Reverse lights
With this, you know why it is important to know the color codes before applying them.
As seen in 6-Pin and 7-Pin, you notice there was an addition of color and a switch of roles.
That is why you should know what trailer wiring pin you are using before checking the color code.
Two Package Wiring Color Codes
The two package wiring color codes involve Positive (+), Negative (-), and Neural (±).
The Positive wires are marked Red while the Negative wires are marked Black, and Neutral can either be White or Gray.
As said earlier, this is not just the only color cable for the two; some countries have specific colors you can research.
Red and Black colored wires are what led to the others we see today.
However, these two packages can mean different things in different trucks, plug-ins, or electronics; researching more for your specific need will be best. Here, I’ll discuss the Dodge Ram trailer.
What Color Codes for Dodge Ram Trailer Harness?
Color codes are very important in wiring your dodge ram trailer. Color codes indicate the use of a certain wire and what it lights in your truck.
Having a truck on the road without indicators can cause accidents. To prevent that, always wire your Ram trailer properly.
Below is the meaning of the color codes for the wires you’ll see in a Dodge Ram Trailer.
- Black: Ground
- Black with Orange stripe: Parking
- Yellow with Pink stripe: Left Turn
- White with Red stripe: 12 volt
- White with Pink stripe: Right Turn
- Blue: Trailer Brakes
- Purple with Black stripe: Backup light
What Are the Color Codes for 7-Way Wiring on Dodge Pickup?
Trailer wiring might be one of the most challenging parts of your towing setup. Wiring is not only for an electrician, but you can also wire your trailer.
Read below as I show you the color codes for 7-way wiring on your Dodge pickup:
- Green: Right turn / Brake light
- Yellow: Left turn / Brake light
- Brown: Tail / Running lights
- White: Ground wire
- Blue: Brake controller output
- Black: Battery hot lead
- Purple: Reverse lights
What Are the Wires in a 7-Wire Trailer Plug?
The seven wires in a 7-wire trailer plug are the blue, brown, white, yellow, black, green, and purple wires. However, wiring harness colors vary by industry.
SAE standard wiring varies from RV industry-standard wiring. Below are their various color codes;
#1. SAE Standard Wiring
- Blue: Brake controller output
- Brown: Tail / Running lights
- White: Ground wire
- Yellow: Left turn / Brake light
- Black: Battery hot lead
- Green: Right turn / Brake light
- Purple: Reverse lights
#2. RV Standard Wiring
- Red: Left turn/Brake light
- Green: Tail / Running lights
- Brown: Right turn / Brake light
- White: Ground wire
- Blue: Brake controller output
- Yellow: Reverse Lights
- Black: Battery hot lead
Summary
This article gave all you need to know about trailer wiring, codes, colors, and their effect on your truck.
Good wiring is paramount to avoiding accidents on the highway; when you fix the right cable for your truck, you protect motorists and yourself.
