Alpha Series Lighting

Glass Is Class Gen2

Real Glass. Real Class.

The next generation of watermelon lights.

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Glass Is Class Pickup Truck Watermelon LED Light Kit w/ Harness & Bracket

GIC Gen2 Pick-Up Truck Kits

Complete Kit Assembly

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Glass is class

GIC Gen2 Watermelon Lights

Individual Watermelons

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Red Glass is Class watermelon lights with Alpha Series Lighting recessed bunk adapter buckets installed on a 2023 Kenworth W990

Watermelon Brackets & Accessories

Brackets, Wiring & Accessories

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Alpha Series Lighting

Universal Pick-Up Truck Watermelon Light Kit

Gen 2 makes that signature look easier to install with complete kits that combine a Gen 2 watermelon light, heavy-duty switched wiring harness, and stainless steel mounting bracket.

  • Voltage: 12V & 24V compatible
  • Power Draw: 23W
  • Bulb Based: H11-style fitment
  • Cooling: Active + passive hybrid system
  • Lens: Tempered glass, star pattern
  • Installation: Plugh-n-play with Deutsch DT connector
  • DOT: Intended for off-road and show use only. Always check local regulations before install.
  • 1 x Glass Is Class Gen 2 watermelon light (single or dual color)
  • 1 x Diode Dynamics DD4104 wiring harness with 3-way switch
  • 1 x Alpha Series A0007 304 stainless mounting bracket
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Add An Additional Glow

Use our Diode Dynamics extension cords to route Gen 2 watermelon lights farther from the relay harness or splitter without cutting, splicing, or building a custom extension.

This overhead view shows the crazy intensity of the Glass is Class watermelon lights installed on this Kenworth
Complete Light Assemblies

Glass Is Class Gen 2 Watermelon Lights

Premium Watermelon Lights for Serious Builds

Color options

Glass is Class Gen 2 Clear Lens / Amber LED Watermelon Light – Dual‑Function Marker & Signal

Glass is Class Gen 2 Clear Lens / Amber LED Watermelon Light – Dual‑Function Marker & Signal

From: USD 100.00
Glass is Class Gen 2 Clear Lens / White LED Watermelon Light – Crisp White Marker & Signal

Glass is Class Gen 2 Clear Lens / White LED Watermelon Light – Crisp White Marker & Signal

From: USD 100.00
Glass is Class Gen 2 Clear Lens / Red LED Watermelon Light – Dual‑Function Marker & Signal

Glass is Class Gen 2 Clear Lens / Red LED Watermelon Light – Dual‑Function Marker & Signal

From: USD 100.00
Glass is Class Duo Gen 2 Amber/Red Watermelon Light

Glass is Class Duo Gen 2 Amber/Red Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Amber/Purple Watermelon Light

Glass is Class Duo Gen 2 Amber/Purple Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Amber/White Watermelon Light

Glass is Class Duo Gen 2 Amber/White Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Amber/Green Watermelon Light

Glass is Class Duo Gen 2 Amber/Green Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Amber/Blue Watermelon Light

Glass is Class Duo Gen 2 Amber/Blue Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Red/Purple Watermelon Light

Glass is Class Duo Gen 2 Red/Purple Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Red/White Watermelon Light

Glass is Class Duo Gen 2 Red/White Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Red/Green Watermelon Light

Glass is Class Duo Gen 2 Red/Green Watermelon Light

From: USD 100.00
Glass is Class Duo Gen 2 Red/Blue Watermelon Light

Glass is Class Duo Gen 2 Red/Blue Watermelon Light

From: USD 100.00
Amber/Amber Glass is Class Gen 2 Watermelon Light – Dual‑Function AlphaFit G2 LED for Trucks

Glass is Class Gen 2 Amber Lens / Amber LED Watermelon Light – Dual‑Function Marker & Signal

From: USD 100.00
Glass is Class Gen 2 Amber Lens / White LED Watermelon Light – Dual‑Function Marker & Signal

Glass is Class Gen 2 Amber Lens / White LED Watermelon Light – Dual‑Function Marker & Signal

From: USD 100.00
Glass is Class Gen 2 Red Lens / Red LED Watermelon Light – High‑Intensity Marker & Brake/Turn

Glass is Class Gen 2 Red Lens / Red LED Watermelon Light – High‑Intensity Marker & Brake/Turn

From: USD 100.00
Glass is Class Gen 2 Red Lens / White LED Watermelon Light – Dual‑Color Marker & Signal

Glass is Class Gen 2 Red Lens / White LED Watermelon Light – Dual‑Color Marker & Signal

From: USD 100.00
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Individual bulbs & lenses

Gen 2 Bulbs & Glass Lenses

Build, Repair or Upgrade

Bulbs & Lenses Sold Separately

Already have a Glass Is Class housing? Customize or refresh your setup without replacing the complete light.

Pair your bulb with a genuine amber, red, or clear glass star lens to create the exact color and appearance your build needs.

AlphaFit LED Watermelon Light Bulb (Gen 2) | Amber

AlphaFit LED Watermelon Light Bulb (Gen 2) | Amber

USD 50.00
AlphaFit LED Watermelon Light Bulb (Gen 2) | White

AlphaFit LED Watermelon Light Bulb (Gen 2) | White

USD 50.00
AlphaFit LED Watermelon Light Bulb (Gen 2) | Red

AlphaFit LED Watermelon Light Bulb (Gen 2) | Red

USD 50.00
AlphaFit Duo LED Bulb – Dual-Color Watermelon Light Bulb (Gen 2) | Amber/Purple

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Purple

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Blue

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Blue

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Green

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Green

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/White

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/White

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Red

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Amber/Red

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/Purple

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/Purple

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/Blue

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/Blue

USD 50.00
AlphaFit Duo LED Bulb – Dual-Color Watermelon Light Bulb (Gen 2) | Red/Green

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/Green

USD 50.00
AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/White

AlphaFit Duo LED Watermelon Light Bulb (Gen 2) | Red/White

USD 50.00
Internal Breather Light Bracket for 15″ Donaldson Push‑Top Air Cleaner – Fits Peterbilt 389 & Kenworth W900
mount them your way

Watermelon Light Brackets

Brackets for Nearly Any Custom Installation

Stainless Steel Strength & Style

Choose from universal, flat, frame-mount, straight-down, and mirror-finish stainless steel bracket options for semi trucks, pick-up trucks, trailers, frame rails, and other custom mounting locations.

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60 Degree Mirror Mount Watermelon Light Bracket – Stainless Steel

60 Degree Mirror Mount Watermelon Light Bracket – Stainless Steel

USD 50.00
90 Degree Mirror Mount Watermelon Light Bracket – Stainless Steel

90 Degree Mirror Mount Watermelon Light Bracket – Stainless Steel

USD 50.00
90° Watermelon Light Frame Bracket – Clamp-On Mount

90° Watermelon Light Frame Bracket – Clamp-On Mount

USD 40.00
Dual Watermelon Light Frame Bracket – Clamp-On Mount

Dual Watermelon Light Frame Bracket – Clamp-On Mount

USD 60.00
Flush Mount Watermelon Light Bunk Plate Adapter

Flush Mount Watermelon Light Bunk Plate Adapter

USD 30.00
Kenworth Interior Watermelon Light Kit

Kenworth Interior Watermelon Light Kit

USD 175.00
Peterbilt 389 Interior Light Kit | SS Plates w/Dual Switches

Peterbilt 389 Interior Light Kit | SS Plates w/Dual Switches

USD 200.00
Peterbilt Fuel Tank Light Brackets (Pair)

Peterbilt Fuel Tank Watermelon Light Brackets (Pair)

USD 179.99
Internal Breather Light Bracket for 15″ Donaldson Push‑Top Air Cleaner – Fits Peterbilt 389 & Kenworth W900

Peterbilt 389/Kenworth W900 Internal Breather Light Bracket 15″ – Push‑Top Donaldson Compatible (Pair)

USD 149.99
Peterbilt 589 Internal Breather Light Bracket Pair – Push‑Top Donaldson Compatible

Peterbilt 589 Internal Breather Light Bracket – Push‑Top Donaldson Compatible (Pair)

USD 149.99
glass is class
Finish the install

Watermelon Light Accessories

The Small Parts That Complete the Build

Watermelon Light Accessories

Shop replacement gaskets, dielectric grease, extensions, splitters, switches, mounting hardware, replacement glass, and other accessories selected for watermelon light installations.

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DD4100 DT 4-Pin Splitter For Gen 2 Watermelon Lights

DD4100 DT 4-Pin Splitter For Gen 2 Watermelon Lights

USD 14.95
Why Choose This Extension For Glass is Class Gen 2? Clean lighting installs need clean wiring. The DD4098 1m DT 4-pin extension wire gives your Glass is Class Gen 2 setup extra reach when the light location is too far from the harness, splitter, or mounting point. This is especially useful for universal Gen 2 kits, custom bracket placements, mirror-mounted lighting, grille-area layouts, and other semi-truck or pickup installs where you want a plug-and-play wiring path instead of a cut-and-splice solution. Key Features & Benefits Adds 1 Meter Of Plug-And-Play Wiring Reach The DD4098 gives you 1 meter of extra DT 4-pin wiring length. That helps when your Gen 2 watermelon light needs to be mounted farther from the harness output or splitter connection. Supports Cleaner Gen 2 Light Placement Glass is Class Gen 2 lights now use a 4-pin DT connector, and this extension helps preserve that connectorized setup. Instead of forcing the light to fit wherever the harness reaches, the DD4098 gives you more freedom to route wiring cleanly. Male-To-Female DT 4-Pin Extension The DD4098 uses one male DT 4-pin connector and one female DT 4-pin connector. This lets it sit inline between compatible Gen 2 lights, splitters, and harness connections. Heavy-Duty 14AWG Wire The DD4098 uses 14AWG wire, making it a practical wiring accessory for lighting installs that need more than a thin universal jumper. Over-Molded Connector Design The over-molded DT connector design helps provide strain relief and protection from the elements around the connector body. This supports a cleaner installation and helps reduce exposed connection points. Performance / Compatibility / Use Case The DD4098 is best used when you need a shorter extension for compatible Glass is Class Gen 2 DT 4-pin lighting systems. It is a smart add-on for customers building a plug-and-play Gen 2 layout with the BTS universal kit, DD4104 relay switched harness, DD4100 splitter, and additional Gen 2 lights. Use cases include: Extending a Gen 2 light from a nearby splitter Routing wiring around a bracket, grille, bumper, or mirror mount Keeping the harness connection accessible Avoiding short wire runs that pull tight Reducing the need for cutting and splicing This extension does not add power by itself. It should be used inside a properly fused, compatible DT 4-pin lighting system. Installation / Fitment / Technical Details This extension is designed for compatible DT 4-pin wiring layouts. For Glass is Class Gen 2 installs, confirm that your lights and harness use matching DT 4-pin connectors before ordering. Technical details: Product type: DT 4-pin extension wire SKU: DD4098 Length: 1 meter Connector layout: 1 male DT connector and 1 female DT connector Wire size: 14AWG Connector type: DT 4-pin Operating voltage listed by Diode Dynamics: 9–16V Operating temperature listed by Diode Dynamics: -40C to 85C Installation time listed by Diode Dynamics: 5–10 minutes Tools listed by Diode Dynamics: None Modification listed by Diode Dynamics: None Listed shipped weight: 0.5 lb Important voltage note: Diode Dynamics lists this extension at 9–16V. For 24V Glass is Class Gen 2 builds, confirm the full harness and wiring setup before installing. Build Quality / Materials / Warranty / Trust Signals Diode Dynamics lists this extension with heavy-duty 14AWG wire, standard DT 4-pin connectors, over-molded connector bodies, and a 3-year replacement limited warranty. For BTS customers, the value is simple: this turns a generic DT extension into a practical Gen 2 watermelon light wiring add-on. It helps customers expand and route their Glass is Class Gen 2 installs without cutting into the harness. What’s Included 1x Diode Dynamics DD4098 DT 4-Pin Extension Wire, 1m G) Frequently Asked Questions About The DD4098 1m DT 4-Pin Extension Does the DD4098 work with Glass is Class Gen 2 watermelon lights? Yes, it is intended for compatible DT 4-pin Glass is Class Gen 2 wiring setups. Confirm your lights, harness, and splitter use matching DT 4-pin connectors before ordering. What is the DD4098 used for? The DD4098 adds 1 meter of extension length between compatible DT 4-pin wiring connections. It helps place Gen 2 lights farther from the relay harness or splitter. Is this extension plug-and-play? Yes, when used with compatible DT 4-pin connectors, the DD4098 is a plug-and-play extension wire. No cutting or splicing is required for a matching setup. Should I choose the 1m DD4098 or the 3m DD4099? Choose the DD4098 when the light is close but needs a little extra wire length. Choose the DD4099 when you need a longer run, such as routing across a vehicle, toward the rear, or through a larger custom lighting layout. Can I use multiple extensions together? Avoid stacking extensions without checking current draw, voltage drop, and harness limits. For longer layouts, choose the correct extension length and confirm the full setup before installation. Will this work with older Glass is Class lights? Older hardwired Glass is Class lights may not use the same DT 4-pin connector. This extension is intended for compatible Gen 2 DT 4-pin setups. Can I use this on a 24V truck? Do not assume this extension is 24V compatible. Diode Dynamics lists this extension at 9–16V, so 24V builds should be confirmed before installation.

DD4098 1m DT 4-Pin Extension For Gen 2 Watermelon Lights

USD 14.95
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DD4099 3m DT 4-Pin Extension For Gen 2 Watermelon Lights

DD4099 3m DT 4-Pin Extension For Gen 2 Watermelon Lights

USD 29.95
Heavy Duty Single Output 4-Pin Wiring Harness

Heavy Duty Single Output 4-Pin Wiring Harness

USD 39.95
Diode Dynamics D-Switch 8-Channel Switch Panel

Diode Dynamics D-Switch 8-Channel Switch Panel

USD 599.95

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