LED Trailer Lights: 4-LED Side Marker Light Set
Led Trailer Lights are a two-piece side marker light set with four LEDs per lamp, a listed 12 V and 24 V operating range, ABS housing, a PC lens, an IP67 rating, and a two-wire connection. Confirm the lamp color, dimensions, mounting location, wiring, and legal requirements for your trailer before ordering.
These led trailer lights are intended for compatible trailer, truck, RV, or utility-vehicle side-marker applications. Fitment, brightness, water resistance, wiring compatibility, mounting position, and compliance depend on the selected product option, vehicle voltage, lamp placement, trailer configuration, local rules, and installation quality.

Led Trailer Lights Features
These led trailer lights are listed as side-marker or warning-light accessories for compatible vehicle and trailer applications. The product configuration includes a two-wire connection, four LEDs per lamp, an ABS housing, a PC lens, and a listed IP67 ingress-protection rating.
- Two-piece light set: Listed package includes two LED side-marker lamps.
- Four LEDs per lamp: Listed four-LED configuration for each light.
- 12 V and 24 V range: Listed operating-voltage compatibility; confirm vehicle wiring before installation.
- ABS housing: Listed housing material.
- PC lens: Listed lens material.
- IP67 rating: Listed ingress-protection rating; inspect seals, wiring, and housing condition after installation.
- Two-wire connection: Listed wiring configuration for compatible vehicle electrical systems.
Led Trailer Lights Placement and Color
Side-marker light placement and color requirements vary by vehicle type, trailer length, width, location on the trailer, and local regulations. Confirm whether the selected lamp color is appropriate for the intended mounting position before installation.
For trailers in the United States, federal lighting rules distinguish front, midpoint, and rear marker positions. For example, required trailer side-marker lamps are generally amber near the front and red near the rear, while longer trailers may require additional intermediate amber side-marker lamps. Review FMVSS 108 side-marker lamp requirements.
| Check | What to Verify | Why It Matters |
|---|---|---|
| Voltage | Confirm the vehicle or trailer electrical system and the intended 12 V or 24 V connection. | Incorrect wiring or voltage can damage the lights or electrical system. |
| Lamp Color | Confirm the selected lamp color and whether it is permitted for the desired trailer location. | Marker-lamp color requirements may differ by front, side, midpoint, and rear position. |
| Mounting Position | Check lamp height, location, visibility, clearance, mounting surface, and cable path. | Required-lamp placement and visibility can be regulated for trailers and commercial vehicles. |
| Wiring | Confirm polarity, wire routing, connectors, fuse protection, and insulation from moisture or abrasion. | Poor wiring can lead to lamp failure, corrosion, shorts, or vehicle electrical issues. |
| Existing Equipment | Confirm that the installation will not cover, disable, relocate, or interfere with required lamps, reflectors, plates, wiring, or safety equipment. | Aftermarket lighting must not make required vehicle lighting equipment inoperative. |
How to Install Led Trailer Lights
Install led trailer lights only while the vehicle or trailer electrical system is powered off. Confirm the mounting location, applicable lamp color, wiring polarity, connection method, and vehicle voltage before drilling, splicing wires, or attaching the lamps.
- Park the trailer or vehicle on a stable surface and disconnect power before working on wiring.
- Confirm the intended lamp position and verify local requirements for marker-light location and color.
- Test-fit the lamp on a stable mounting surface and mark the mounting points.
- Route the two wires away from sharp edges, moving components, heat sources, suspension travel, tires, and road debris.
- Connect the wiring according to the product instructions and vehicle wiring diagram.
- Protect wire connections from moisture, vibration, abrasion, and strain.
- Secure the lamp, restore power, and test the lights while parked before using the trailer on public roads.
Consult a qualified automotive or trailer electrical technician if you are not experienced with 12 V or 24 V wiring, trailer-light circuits, fuse protection, or regulated lamp placement.
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Led Trailer Lights Technical Specifications
| Attribute | Listed Specification |
|---|---|
| Product Type | LED side-marker or warning-light set |
| Package Quantity | 2 LED lamps |
| LED Quantity | 4 LEDs per lamp |
| Listed Voltage Range | DC 12 V and 24 V |
| Housing Material | ABS, according to the product listing |
| Lens Material | PC, according to the product listing |
| Listed Ingress Rating | IP67, according to the product listing |
| Wiring | 2-wire connection |
| Intended Application | Compatible trailer, truck, RV, utility vehicle, or side-marker applications; verify local requirements before installation |
What Is Included
Review the selected product option and checkout details before ordering. Package contents may vary by selected variation or supplier batch.
- 2 LED trailer lights: Four-LED side-marker lamps with the listed housing and lens materials.
Do not assume mounting screws, bolts, gaskets, connectors, fuse components, wiring extensions, installation tools, or printed instructions are included unless they are listed for the selected option at checkout.
Frequently Asked Questions
Are these led trailer lights waterproof?
The product listing indicates an IP67 ingress-protection rating. Water resistance can depend on the lamp housing, lens condition, wire connections, seals, mounting surface, installation quality, and product condition. Inspect the lights and connections regularly.
Will these led trailer lights work on my truck or trailer?
The listed voltage range is DC 12 V and 24 V, but fitment depends on the vehicle electrical system, wiring configuration, lamp color, mounting location, local regulations, and the selected product option. Confirm compatibility before ordering.
Can these led trailer lights replace required side-marker lamps?
Do not assume so. Required trailer lighting must meet applicable requirements for color, placement, visibility, photometry, mounting, and other factors. Confirm that the selected lamps are appropriate for the required vehicle position and local regulations before using them as replacement equipment.
What wiring is required for these led trailer lights?
The product listing describes a two-wire connection. Confirm the wiring polarity, voltage, fuse protection, connection method, and trailer wiring diagram before installation. Consult a qualified technician if you are not experienced with vehicle electrical work.
Do these led trailer lights include installation hardware?
Only the two lamps are confirmed in the listed package. Review the selected option and checkout details to confirm whether mounting hardware, gaskets, screws, connectors, or wiring accessories are included.
Can I use these led trailer lights as headlights or driving lights?
No. These are listed as side-marker or warning-light accessories. They should not be used as a replacement for required headlights, tail lights, brake lights, turn signals, reflectors, or other mandated vehicle lighting equipment.
Safety and Installation Advice
Install led trailer lights only while the vehicle or trailer is parked and powered off. Confirm lamp color, mounting position, visibility, and wiring before drilling or connecting power. Keep wires clear of moving parts, tires, suspension, brakes, sharp edges, heat sources, cargo, and road-exposed areas where damage may occur.
Aftermarket lighting must not cover, disable, reduce, relocate, or make required lighting equipment inoperative. Federal guidance explains that aftermarket supplemental lighting is subject to restrictions when it affects required original lighting equipment. Review NHTSA guidance on aftermarket supplemental lighting.
Test all trailer lights while parked before towing or driving. If a lamp fails, flickers, becomes damaged, or creates an incorrect color or mounting condition, do not rely on it until the issue is corrected.
















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