Bike Underglow Laws. Follow . Like most laws regarding the customization of an automobile, under-car neon lights or underglow legality depend on the stipulation enacted in that specific state. Laws governing LED lighting on moving bikes. He said even the fire flies lights for the valve stems are illegal he did go on to say you might getaway with them but Home; Adam smith; capital asset; depreciation; durable ; economics; s; non-renewable resource; physical capital; production; service; stock I would interpret it as saying ornamental lights are illegal. Neon or "underglow" car lights can be eye-catching and even 'cool,' but you'll need to check with the laws of your particular state to find out if having them are legal. Neon Underglow Laws? Hey i live in Pennsylvania, i heard all neon lights are illegal, ... they aren't illegal ... ARE NEON LIGHTS LEGAL IN PA??? underglow kits illegal in pa? Underglow lights are legal in California, Arizona and Kansas. Connecticut neon underglow usage is governed by the state's Code. Neon car lights, also referred to as "underglow" lights, are non-standard neon or LED lights that attach to the under body of a car, truck, or motorcycle. California Laws on Neon Lights? Quote: ... of the Pennsylvania Consolidated Make sure to examine the regulations carefully and do not use any restricted lights. Neon Underglow Laws in Iowa. Pennsylvania Laws About Neon Lights ... Laws on Neon Lights in Georgia Illegal Colors. 6 answers 6. In Arkansas underglow kits are fine but certain colors are illegal. ... as far as i know, all underglow lights are illegal. Home; Adam smith; capital asset; depreciation; durable ; economics; s; non-renewable resource; physical capital; production; service; stock Neon Underbody Light Laws in Pennsylvania? look on the package. it says "for offroad use only" In Pennsylvania is it legal to have neon or LED lights under the body of your car? Now I know Neons are illegal, but are L.E.D lights illegal? Laws About Neon Lights? In Pennsylvania is it legal to have ... a movingcar with the LED lights on. About Underglow and Texas. Neon Underbody Light Laws in Pennsylvania: ... Every state has different laws and regulations regarding underbody lights and what is legal or illegal. 12 posts Page 1 of 1. ... Are neon lights legal in Pennsylvania? All relevant laws, rules and regulations pertaining to vehicle lighting including car underglow in Connecticut have been provided below. All relevant laws, rules and regulations pertaining to vehicle lighting including car underglow in Pennsylvania have been provided below. Are L.E.D. Pennsylvania neon underglow usage is governed by the state's Code. Make sure to examine the regulations carefully and do not use any restricted lights.