Choose red round trailer lights for a clean, familiar look. The round shape lines up with circular cutouts and grommets, and the red color works for brake and turn signals. If you're switching to leds, you may not need load resistors; try without first, and add one per affected circuit only if you get hyperflash.
You may not need them. Try the LEDs first and only add resistors if you get hyperflash or a circuit won't activate. Use one resistor per affected circuit. Resistors dissipate heat through their body, so don't wrap them with insulation; placing them in a battery or junction box can help manage mounting and airflow.
Seal around the grommet and the light assembly with caulk to improve water proofness. If you find leaks after heavy rain or spraying, focus on the grommet area since it may need sealing. Check nearby lights to see if any others leak and address those the same way.
Confirm the light's size so it fits your existing grommet, flange, or protective collars for a direct replacement. For wiring, some 3-wire lights use white as ground, black for running, and red for stop/turn; a 2-wire trailer can ground through the mounting hardware. If wires aren't labeled, identify them before final hookup.
LED options can be very bright for running and brake/turn. Some lights also include a white reverse function—confirm if that feature is listed. If replacing older lights, check that the output meets your visibility needs and that the size matches for a clean, OEM-style look.
Yes, some red round LED trailer lights can run on 12-volt and 24-volt towing vehicles. Verify the voltage range in the specs before ordering. If you're mixing vehicles, test the lights with each tow rig. If a circuit won't activate, add a load resistor to increase draw.
Clearance Lights
Reflectors
Tail Lights
Trailer Lights Parts or Accessories
Filters
