This 33 LED 4″ round Lumos S-Series light is designed for amber turn signal applications where a traditional amber lens look is preferred. The light features 33 super bright SMD-type LEDs, an energy-efficient solid-state circuit board, and a special reflective center design that creates a unique effect when powered on.
Built for 12V DC systems, this light uses epoxy-sealed electronics and a sonically sealed polycarbonate lens to help resist corrosion, moisture, and road exposure.
Key Features & Benefits
Amber LED / Amber Lens Turn Signal
This Lumos S-Series light is designed for amber turn signal use with a classic amber lens appearance.
Features include:
- Amber LED output
- Amber lens design
- 33 super bright SMD-type LEDs
- 4″ round light format
- Turn signal application
This is a strong replacement or upgrade for compatible truck and trailer turn signal setups that require an amber lens.
Lumos S-Series Reflective Design
The center of the light uses a special reflective design for a unique powered-on appearance.
Features include:
- Special reflective center design
- Unique illuminated effect
- Amber lens appearance
- Modern LED styling
- Distinctive Lumos S-Series look
This gives the light more visual character than a basic 4″ round LED lamp.
Sealed Electronics & Lens
The electronics are completely sealed in epoxy, and the polycarbonate lens is sonically sealed to the housing.
Protection details:
- Epoxy-sealed electronics
- Helps resist corrosion
- Helps resist moisture
- Polycarbonate lens
- Sonically sealed lens-to-housing construction
- IP67 water-resistant rating
This construction supports long-term exterior lighting performance in road, weather, and wash-down conditions.
12V Solid-State Circuit Board
The light uses an energy-efficient solid-state circuit board engineered for 12V DC systems.
Electrical details:
- Designed for 12V DC systems
- Energy-efficient solid-state circuit board
- High function amperage draw: 0.5A
- Low function amperage draw: 0.03A
- Rear housing with 3-pin female contact terminal
Confirm wiring and vehicle voltage before installation.
3-Pin Terminal Connection
This light uses a rear 3-pin female contact terminal.
Connection details:
- Rear 3-pin female contact terminal
- Recommended 3-pin male plug: item #34212
- Recommended 3-pin male plug: item #34216
- Recommended plugs are not included
Confirm plug compatibility before ordering or installation.
Performance, Compatibility & Use Case
Application & Use Case
Designed for:
- Semi truck turn signal lighting
- Trailer turn signal lighting
- 4″ round LED light replacement
- Amber signal light applications
- Fleet lighting maintenance
- Custom truck lighting builds
- Amber lens LED upgrades
- Commercial vehicle lighting repairs
Fitment depends on your existing 4″ light opening, mounting style, plug type, voltage, and wiring setup.
Installation & Technical Details
Installation Overview
This Lumos S-Series light is designed for compatible 4″ round turn signal applications.
Installation details:
- Product type: Turn signal light
- Series: Lumos S-Series
- Shape: Round
- Size: 4″
- LED count: 33 SMD-type LEDs
- LED color: Amber
- Lens color: Amber
- Lens material: Polycarbonate
- Electronics: Epoxy sealed
- Voltage: 12V DC
- High function draw: 0.5A
- Low function draw: 0.03A
- Connection: 3-pin female contact terminal
- Recommended plug: #34212 / #34216, not included
- Recommended grommet: #31515, not included
- Compliance: DOT/SAE, FMVSS 108
- Water resistance: IP67
- Warranty: 10 years
Professional installation is recommended for proper mounting, wiring, plug selection, and sealing.
Mounting Notes
This light is recommended for use with rubber push-in grommet item #31515.
Mounting notes:
- Rubber push-in grommet recommended
- Item #31515 not included
- Confirm grommet compatibility before installation
- Check light depth and opening size before mounting
The supplied product information does not list a mounting grommet as included.
Build Quality, Compliance & Warranty
Build Quality
This Lumos S-Series light is designed for exterior truck and trailer lighting use.
Build details include:
- 33 super bright SMD-type LEDs
- Special reflective center design
- Polycarbonate amber lens
- Sonically sealed lens-to-housing construction
- Epoxy-sealed electronics
- Energy-efficient solid-state circuit board
- Rear 3-pin female contact terminal
- IP67 water-resistant design
Compliance
This light is listed as:
- DOT/SAE compliant
- FMVSS 108 compliant
Proper installation is still required for safe and compliant use.
Warranty Coverage
This product includes a 10-year warranty.
What’s Included
Included:
- 1 × 33 LED 4″ Round Lumos S-Series Turn Signal Light With Amber LED/Amber Lens
Not included:
- 3-pin male plug
- Rubber push-in grommet
- Mounting hardware
- Additional wiring connectors
Recommended separately:
- 3-pin male plug item #34212
- 3-pin male plug item #34216
- Rubber push-in grommet item #31515
Frequently Asked Questions About 4″ Lumos S-Series Amber Turn Signal Lights
What color is this light?
This version has amber LEDs with an amber lens.
It is designed for amber turn signal applications.
How is this different from the clear lens version?
This version uses an amber lens over amber LEDs.
The clear lens version uses a clear lens with amber LED output.
How many LEDs does it have?
This light features 33 super bright SMD-type LEDs.
The LED layout works with the reflective center design to create a unique powered-on appearance.
What is the Lumos S-Series effect?
The Lumos S-Series uses a special reflective center design that creates a distinctive look when the light is powered on.
It gives the light a more custom appearance than a standard 4″ round LED lamp.
What voltage does this light use?
This light is engineered for 12V DC systems.
Confirm your vehicle or trailer voltage before installation.
What is the amperage draw?
The high function draw is listed at 0.5A.
The low function draw is listed at 0.03A.
What connector does this light use?
The rear housing uses a 3-pin female contact terminal.
Recommended 3-pin male plugs are item #34212 and #34216, but they are not included.
Is a grommet included?
No. A grommet is not listed as included.
The recommended rubber push-in grommet is item #31515.
Is this light water resistant?
Yes. This light is listed with an IP67 water-resistant rating.
The electronics are epoxy sealed, and the polycarbonate lens is sonically sealed to the housing.
Is this DOT and SAE compliant?
Yes. This light is listed as DOT/SAE and FMVSS 108 compliant.
Proper installation is still required.
