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4 Common Reasons Your Motorcycle Taillights Aren’t Working

Two orange taillights and one red brake light on a black and yellow motorcycle. The motorcycle is parked.

Jared Witham |

Riding a motorcycle offers freedom, but safety should always be a top priority. Your taillights are among the simplest yet most crucial components for ensuring visibility and safety on the road, so you need to know what may cause them to be on the fritz. Explore some common reasons your motorcycle taillights aren’t working and use these practical solutions to get you back on the road safely.

1. Burnt-Out Bulbs

Burnt-out bulbs are the most straightforward explanation for nonfunctioning taillights. Over time, bulbs burn out from regular use, and your lights will dim or cease to work altogether.

Consult your motorcycle’s manual to determine the correct bulb type for replacement. Generally, it’s a quick fix involving unscrewing the taillight cover, removing the faulty bulb, and replacing it with a new one. Keep an extra bulb in your toolkit for unexpected outages; preparation is an important safety component.

2. Faulty Fuses

Fuses play a vital role in protecting your motorcycle’s electrical system. A blown fuse disrupts the circuit, causing the taillights to fail.

Locate the fuse box and inspect the fuses. The owner’s manual will indicate its exact position, but it’s typically found underneath the seat. A blown fuse will appear burnt or broken. Replace it with one of the same amperage. Having a few spare fuses on hand is a lifesaver on the road.

3. Wiring Issues

Wiring issues are trickier to diagnose. Over time, wires become loose, frayed, or corroded, leading to power disconnection to the taillights.

Inspect the wires connected to the taillights for any visible damage. If you notice any problems, you may need to re-solder connections or replace damaged wires. For those less familiar with electrical components, consult a professional to ensure a safe and effective repair.

4. Battery Problems

Your motorcycle’s battery powers all electrical components, including the taillights. If your battery is weak or fails to hold a charge, it may be the reason your motorcycle taillights aren’t working. After testing it with a multimeter, charge the battery and bring its voltage up to the recommended level in the motorcycle’s manual.

Inspect the battery for any dirt accumulation or rust. A battery on its last legs needs immediate replacement to avoid failure. Regular battery maintenance and checks prevent these issues and help you remain visible from vehicles in your rearview.

Ensure your rides are as safe as they are thrilling by regularly inspecting your motorcycle’s taillights and addressing any issues promptly. Maintenance goes a long way in keeping you visible and protected on the road. Contact your motorcycle experts for advice and service if you are unsure about any steps.

Eagle Lights has a large selection of lighting options, such as Harley Davidson rear LED lights. We want to ensure your ride is as bright and bold as you want it to be. Browse our stock today and keep your safety and appearance at its best on the road.

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