Partsam LED Watermelon Marker Light Amber/Red - Glass Lens, Zinc-Alloy Post Mount 12V

Partsam Glass Watermelon Dual-Revolution LED marker light is a 12V, post-mount amber/red double-face signal lamp in a zinc-alloy housing designed for trucks and trailers.

This heavy-duty marker light delivers bright, dual-color signaling for turn, stop and marker duties while resisting water and road debris. The glass lens and high-powered LEDs produce a distinctive starburst pattern that improves on-road visibility, and the zinc-alloy bezel with chrome-plate housing gives corrosion resistance and a polished finish. The unit’s three-wire hookup and adjustable post mount make it straightforward to fit on common North American heavy vehicles including Peterbilt and Freightliner models.

How does this lamp improve visibility at night and in poor weather?

The light’s glass lens sharpens LED output into defined rays so other drivers see clearer amber or red signaling. High-output LEDs and a reflective bezel create a focused starburst, increasing perceived brightness without extra amperage draw. IP65-rated protection helps maintain brightness even when exposed to rain, dust or road spray.

• Glass lens concentrates light into sharp, visible lines
• High-powered LEDs form a strong starburst pattern
• IP65 housing keeps moisture and dust out
• Zinc-alloy and chrome plating resist corrosion

What wiring and mounting steps are needed for installation?

Installation uses a simple three-wire system — ground plus two signal circuits — and a single M12 bolt for secure post mounting. The wires are color-coded for an intuitive connection: white is ground, black is the dim/marker circuit and red is the full-intensity brake/turn feed. The post mount rotates for 90° or 180° adjustment so you can aim the lens for optimal visibility after mounting.

• Three-wire hookup: white = ground, black = dim/marker, red = full intensity
• M12 bolt for stable post-mount installation
• 90°/180° adjustable orientation to fine-tune beam direction
• Plug-and-play fit on many 12V truck electrical systems

Is this light compatible with my truck or trailer?

The Partsam glass watermelon marker is made for 12V commercial vehicles and matches common mounting and electrical standards used on Peterbilt, Freightliner and similar semis. It can be used on bumpers, grilles, roofs, tailgates, trailer rears and under-cab locations. Check your existing post mount size and wiring harness to confirm a direct swap; the M12 bolt and three-wire layout suit most aftermarket applications.

• Designed for 12V truck and trailer systems
• Fits Peterbilt, Freightliner and comparable heavy-duty models
• Versatile placement: bumper, roof, grille, trailer rear
• M12 bolt and color-coded wiring simplify swaps

Who this is for: drivers, fleet managers and owners who need a rugged, visually distinct LED marker/turn lamp that stands up to daily highway use. If you want a corrosion-resistant zinc-alloy housing, a clear glass lens for crisp light lines, and a straightforward three-wire installation for 12V semi trucks or trailers, this unit is built to replace or upgrade factory markers without complex rewiring. Ideal for maintenance crews, owner-operators and anyone upgrading exterior lighting for improved road presence and durability.