Ground problems are the leading cause of trailer electrical and lighting failures. Endurance Ground is the fix for common lighting problems including lights flickering, lights not working, wrong lights blinking and rusty grounds. Trailers are continuously exposed to the harsh conditions. Protect your trailer ground with Endurance for years of hassle-free use. WARNING: This product can expose you to chemicals including DEHP, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov -