No, underglow lighting is illegal in Wisconsin unless explicitly permitted under state vehicle equipment statutes. Wisconsin Statutes § 347.26 prohibits non-essential vehicle lighting, including underglow, that is visible from the front, sides, or rear. Local municipalities, such as Milwaukee and Madison, enforce additional restrictions through municipal codes, with potential fines up to $200 for violations. Recent 2026 compliance discussions in the Wisconsin Department of Transportation (WisDOT) suggest no imminent changes to these prohibitions.
Key Regulations for Underglow Lighting in Wisconsin
- Visibility Restrictions: Underglow lighting must not be visible from the front, sides, or rear of the vehicle under Wis. Stat. § 347.26(1). This includes colors like red, blue, or amber, which are reserved for emergency vehicles.
- Color Limitations: Only white or amber lights are permitted on the front of vehicles, while red lights are strictly prohibited on the rear unless part of the vehicle’s original equipment.
- Local Enforcement: Municipalities such as Milwaukee and Madison may impose additional penalties, including vehicle impoundment for repeated offenses, as outlined in local ordinances.
Wisconsin’s vehicle equipment laws align with federal standards under 49 CFR § 571.108, which mandates that aftermarket lighting must not impair visibility or mimic emergency signals. Dealers and installers in Wisconsin must certify compliance with these regulations, as WisDOT conducts periodic inspections. Non-compliant lighting systems may void vehicle insurance policies, as insurers often cite equipment violations as grounds for claim denials.