Technical Support Technical Support Before we get started with any troubleshooting for electrical components, please refer to your switch’s electrical schematic to ensure proper connections.EZ Switch DiagramRotary Switch Diagram Click here to be taken to our troubleshooting for electrical components page or call 800-249-0297 Custom Tarp Design Tarps Replacement & Direct Crosses Get in Touch Send (800) 249-0297 Tarping Systems for Construction & Landscaping, Refuse & Recycling, and Agriculture & Specialty Emailsales@ustarp.com | technicalsupport@ustarp.comAddressPO Box 935South Haven, MI 49090Hours8 AM – 5 PM | Monday – Friday