Partsam Slim Square LED Trailer Tail Light Pair — Smoke Lens, 15 Red + 4 White LEDs, IP67 Submersible, 12V 3-Wire

Partsam slim square LED trailer lights are waterproof, submersible 5-function tail lights with 15 red and 4 white LEDs, a smoke lens, and three-wire connections for stop/turn/tail/side clearance and license illumination. Built for trailers that face wet, marine, or rough-road conditions, these slim square lights combine a low-profile ABS housing with a PMMA smoke lens and a sealed PCB to resist water intrusion (IP67). The lamp assembly contains 15 red 5050 SMD diodes for tail, stop and turn duties plus 4 white LEDs dedicated to license and reverse-esque visibility. The compact footprint and screw-and-gasket pack make mounting and sealing straightforward on trailers under 80" and many utility vehicles.

How do these lights handle wet and submerged conditions?

The Partsam lights use a sealed circuit board and waterproof housing rated for IP67, meaning they resist immersion to a limited depth and protect the diodes and circuitry from moisture. The PMMA lens and ABS body are made for corrosion resistance in salt and freshwater environments when installed correctly.

• IP67-rated sealing protects internal PCB and LEDs from water intrusion.
• PMMA (acrylic) smoke lens resists yellowing and salt spray.
• ABS housing offers impact and corrosion resistance.
• Supplier includes screws and gaskets for watertight mounting.

What wiring and functions should I expect when installing?

These lights use a three-wire system: white for ground, brown for continuous low-brightness tail/running/side clearance/license functions, and yellow/green for full-brightness stop and turn signals. Confirm polarity and secure splices or connectors before final sealing to prevent electrical faults in marine or submerged use.

• White = ground/negative connection.
• Brown = low-brightness tail/running/clearance/license output.
• Yellow/green = high-brightness stop and turn output.
• Test functions on a bench before permanent installation to verify wiring.

Will these lights fit my trailer or vehicle?

The slim square design is intended as a universal fit for trailers and vehicles under 80" and many larger vehicles like tractors, dump trucks, and buses when mounting space and bolt pattern align. Check the light’s dimensions and mounting hole placement against your trailer’s bracket and ensure wiring runs are compatible with three-wire inputs.

• Designed for boat trailers, utility trailers, and many commercial vehicles.
• Compact square profile suits tight mounting spaces and recessed pockets.
• Use included screws and gaskets or existing hardware if compatible.
• Confirm electrical system compatibility (12V DC) before installation.

How bright and visible are these LEDs for safety and compliance?

The light cluster uses 15 red 5050 SMD LEDs for primary tail, stop and turn roles and 4 white LEDs for license illumination, providing crisp visibility and distinct signal outputs. While brightness supports visibility in wet and daylight conditions, check local regulations for photometric requirements if strict compliance is required.

• 5050 SMD diodes produce strong, consistent red output for signal clarity.
• Separate white LEDs illuminate license plate area cleanly.
• Distinct low/high brightness circuits help differentiate tail vs. brake signals.
• Smoke lens offers a subtle look while maintaining light transmission.

Who is this for These Partsam slim square lights suit boat owners, trailer operators, fleet managers, and DIYers who need a low-profile, submersible tail light with multiple functions. Choose them if you need a waterproof, durable solution for towing in wet conditions, want separate license illumination, and prefer straightforward three-wire wiring for reliable stop, turn and running lights.

FAQ

Q: Are these lights fully submersible?

A: Yes, they’re sealed to IP67 standards for temporary immersion; ensure wiring seals are properly made before submersion.

Q: What voltage and wiring do they use?

A: They run on 12V DC with three wires: white ground, brown low-bright tail, and yellow/green for brake/turn high-bright.