Technical Support Troubleshooting Before we get started with any troubleshooting for electrical components, please refer to your switch’s electrical schematic to ensure proper connections. EZ Switch Diagram Rotary Switch Diagram Tech Tips How to Test a 12VDC Tarp Motor (Recently Updated)EZ Switch Wiring DiagramHow to Measure Radius Corners of a TrailerHow to Patch a TarpRotary Switch Wiring DiagramFlip Tarp Remote Wiring 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 Name Email Message 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