Home | E Z Wiring | Florida USA At EZ Wiring, we strive to bring you the best harness for the best price. Our harnesses are universal and can fit just about any application. We use top quality gxl cross linked polyethylene jacketed wire to resist heat, oil and water. Every wire in each kit is labeled every 5 inches to make your installation as easy as possible.Ford Car DashAt EZ Wiring, we strive to bring you the best wiring harness for the best price. Our EZ Wiring Harness | eBay EZ Wiring Harness EZ12. All EZ wiring kits use GXL 125 high temp cross linked polyethylene jacketed wire that is grease, oil, gas, and acid resistant. Each wire is labeled every 5” Its entire length a..