Good lighting makes all the difference when you’re out on the road. This Peterson Double Bullseye clearance and side marker light uses two 194 incandescent bulbs to throw out bright, even light through its red acrylic lens. Each premium bulb delivers up to 15,000 hours of life, giving you consistent visibility with minimal upkeep. With a total power draw of only 0.25 amps at 12V, it’s efficient while still cutting through the dark when visibility matters most.
No complex wiring here. The single-wire design powers the light while grounding through the mounting hardware, making installation clean and straightforward. It mounts on standard 3" centers with a surface-mount layout, so it sits flush without extra brackets or drilling for the wiring. It’s a simple setup that keeps things tidy and dependable once installed.
Seeing and being seen from every angle is key for safety. This light’s PC rating means it produces a 90-degree beam from either side of its centerline for a full 180 degrees of coverage. When properly mounted, it works as both a clearance and side marker light, so drivers can spot you from the front or side—ideal for staying visible in low-light or busy traffic conditions.
The sturdy rectangular housing measures 4" long by 2" tall and 1-1/8" thick and stands up well to everyday use. Its snap-on acrylic lens makes bulb changes quick while keeping moisture and debris away from the sockets. DOT compliance ensures it meets lighting standards for road use, so you can trust it to perform mile after mile without fuss.

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today we are looking at the Peterson Rectangular 2 Bulb Trailer Clearance Light, part number 425800. All the metal parts are tinted brass to prevent corrosion. It has a 2,500 hour bulb which is included. The light mounts on 3 inch centers. We can remove the lens and you can see it is a single wire design that grounds to the mounting hardware.
We can go ahead and supply power to it and see what it looks like when its lit up. Attach our ground to our mounting hardware and our power supply to our wire. Now I will go ahead and turn off the lights and show you what it looks like when it is lit up when it is dark. And there you have it for the Peterson Rectangular 2 Bulb Trailer Clearance Light, part number 425800.
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