Product Overview
Watermelon lights are a signature part of classic truck lighting. The Double Fury 4 LED Glass Watermelon Light Kit upgrades that timeless look with modern dual-color LED technology.
Featuring a glass dome lens and high-output LED module, this light delivers dependable marker lighting with unique auxiliary lighting options.
Perfect for drivers who want traditional styling with modern LED performance.
Ideal 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 purple LEDs provide auxiliary lighting for custom or show applications.
Double Fury LED Module
Pre-installed United Pacific #39233 LED module delivers dependable LED performance.
Classic Glass Watermelon Lens
Glass dome lens creates the traditional watermelon-style marker light appearance.
Dynamic Secondary Override
Secondary LED automatically overrides the primary LED when activated.
Bright 4-LED Configuration
Four high-output LEDs provide strong visibility and illumination.
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: Purple
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Wiring: 4-wire hookup
Wiring Color Code
White = Ground (-)
Black = Primary Low (+)
Red = Primary High (+)
Yellow = Secondary (+)
Installation / Fitment / Technical Details
This light installs using a standard watermelon-style marker light mount.
The 4-wire connection 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 & Purple LED
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Pre-installed UP item #39233 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 purple LEDs road legal?
The amber LEDs are typically used for marker lighting, while the purple 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.






















