Product Overview
Watermelon lights have long been a signature feature of classic truck lighting. The Double Fury 4 LED Glass Watermelon Light Kit upgrades that traditional look with modern LED technology.
Featuring a glass dome lens and dual-color LED module, this light delivers dependable marker lighting while offering a custom auxiliary lighting option.
Ideal for drivers who want traditional styling paired with modern LED performance.
Perfect for:
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Semi trucks
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Custom trucks
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Show trucks
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Trailers
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Auxiliary lighting installations
Key Features & Benefits
Dual-Color LED Lighting System
Primary amber LEDs provide marker lighting. Secondary green LEDs provide auxiliary lighting for custom or show applications.
Double Fury LED Module
Pre-installed United Pacific #39231 LED module ensures dependable LED performance.
Classic Glass Watermelon Lens
Glass dome lens creates the iconic watermelon-style truck marker light appearance.
Dynamic Secondary Override
Secondary LED automatically overrides the primary LED when activated.
Bright 4-LED Configuration
Four high-output LEDs deliver strong illumination and improved visibility.
Performance / Compatibility / Use-Case
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Voltage: 12V DC
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LED Count: 4 LEDs
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Primary LED Color: Amber
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Secondary LED Color: Green
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Wiring: 4-wire hookup
Wiring Color Code
White = Ground (-)
Black = Primary Low (+)
Red = Primary High (+)
Yellow = Secondary (+)
The amber LED function complies with DOT / SAE FMVSS 108 standards according to manufacturer specifications.
Installation / Fitment / Technical Details
This light installs using a standard watermelon-style marker light mount.
The 4-wire harness allows independent control of the auxiliary lighting function.
Professional installation is recommended if unfamiliar with vehicle wiring systems.
Build Quality / Warranty
Constructed with:
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Glass watermelon dome lens
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Double Fury LED module
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Sealed electronics
Designed for durability in truck lighting environments.
Warranty: 3-year manufacturer warranty.
What’s Included
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1 × Double Fury 4 LED Glass Watermelon Light – Amber & Green LED
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Pre-installed UP item #39231 LED module
Frequently Asked Questions
What is a watermelon truck light?
A watermelon light is a dome-style truck marker light commonly used on trucks and trailers for visibility and classic styling.
What does dual-color lighting mean?
Dual-color lighting allows the light to operate with two different LED colors that can be activated separately.
Are the green LEDs road legal?
The amber LEDs are typically used for marker lighting, while the green LEDs are intended for auxiliary or show lighting depending on local regulations.
What voltage does this light operate on?
This light operates on 12V DC vehicle electrical systems.
Is this light waterproof?
The LED module is sealed to help protect against moisture and environmental exposure.
What warranty is included?
This product includes a 3-year manufacturer warranty.
