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Upgrading to LED makes a noticeable difference in brightness and reliability. This 4" round Optronics light uses 10 LEDs behind a red lens to clearly display brake, tail, and turn signals. It glows for tail lights, brightens for brakes, and flashes for turns—all while drawing very little power. At 12.8V, it uses just 0.413 amps for stop/turn and 0.026 amps for tail light functions. That’s plenty of visibility with almost no strain on your wiring or power system.
If your trailer ever sees rain or the boat ramp, this light is ready for it. The polycarbonate housing and lens are sealed together to make it completely waterproof and submersible. You don’t have to worry about water getting inside and ruining the LEDs or corroding the connections. It’s built to handle the same conditions that cause traditional bulbs to fail, keeping your lighting dependable even after repeated dunking.
Installing this light is straightforward thanks to its recessed mount design and built-in black flange. The overall diameter with flange is 5-1/2", and the mounting holes are spaced 4-1/4" apart center-to-center. It fits openings about 4-1/4" to 4-1/2" in diameter, giving you a snug, professional look without extra hardware showing. Hardware isn’t included, so you can choose fasteners that best suit your setup.
Poor electrical connections can ruin even the best lights, so this one comes prepared with a weathertight connector designed to block out moisture where it matters most. To complete the wiring, you’ll need adapter AL45PWTB (sold separately) to connect it to standard 3-prong plugs. For layout flexibility, pick up either a right-angle pigtail (A47PB) or straight pigtail (A45PB), both sold separately. Once connected, you’ll have a solid, sealed link that keeps your light working reliably through any weather.
You can count on this light meeting all federal and Canadian lighting requirements right out of the box. It’s DOT compliant and built to the standards of FMVSS 108 and CMVSS 108, so you know your trailer lighting will stay safe and legal wherever you go.
Customer Satisfaction Score:
93% were satisfied with this product
7% of customers were not satisfied
Ratings & Reviews
Brooke M.
10/13/2021
Thank you for the review! Our customer service team should be reaching out to you in the near future.
Do you have a question about this Trailer Light?
Info for this part was:
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Heather A.
9/12/2017
You are correct, this LED Trailer Tail Light requires a pigtail to wire it in. Part # AL45PWTB to fit industry standard 3 prong plugs or part # A45PMB for the hardwire version.
Helpful Links
Accessories-and-Parts/Optronics/A45PMB.html
Accessories-and-Parts/Optronics/AL45PWTB.html