Keep your rig looking tidy with round Optronics trailer lights. Options include LED marker lights and stop/turn/tail choices, with some offering a white reverse, so you can match originals or bump up brightness. For LED swaps, add a load resistor only if you get hyperflash; mount resistors where they can shed heat, and seal grommets with caulk to help stop water from sneaking past the housing.
Yes, users report very bright output for running and brake lights, and some include white reverse. Small 3/4" markers are compact yet very bright for added visibility. In harsh conditions like MI winters with road salt, LED lights have kept working perfectly over a year—still confirm your wiring and seals.
Often you can try Optronics LED lights without load resistors first. If you get hyperflash or the LEDs don't have enough draw, add a resistor to each affected circuit. Resistors dissipate heat through the body—do not wrap them with insulation. They can be placed in a battery or junction box to manage heat and wiring.
Seal around the grommet and light assembly with caulk. The leak is often at the grommet, so focus there first. Check if any other lights are leaking as a comparison. The LED module can be water tight, but water can still pass the led/grommet edging if it's not sealed well.
Measure the hole or lens to match size. Common choices include 3/4" mini clearance/marker and 4" round stop/turn/tail. For 4" round, decide on flush/grommet mount or flange mount, and pair it with the correct rubber grommet and a wiring pigtail to fit your setup.
They can be an exact replacement and match OEM lights when you match size and style. Check the lens diameter, like about 4 in, and any numbers on the lens such as SAE markings. If you're replacing front cap or marker lights, verify the 3/4" diameter on minis to ensure a perfect fit.
Clearance Lights
Interior Lights
License Plate Lights
Reflectors
Tail Lights
Utility Lights
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