Be sure to let us know what bulb size you are using in the buyers checkout;.This is very important as each bulb size uses a different relay. Our relay wiring harness solves common issues such as bulbs flickering or shutting off.This listing is for a brand new HID Fuse Relay Harness. This harness is used to protect your HID bulbs, as well as solve the flickering light issue that some vehicles experience with aftermarket HID Kits. These Digital Relay Harnesses are designed to fix issues that result from low electrical current from cars, and the single light turning on during startup. Relay Wiring Harness Specs: - 40 Amp Relay - Includes a 20 Amp Fuse - Spans both driver and passenger side headlights - Designed to be water-resistent - Draws a stable current from the battery to better power your headlights - Wires are protected by a heat shield as well as heat shrink for protection - Easy Plug-N-Play InstallationWords of advice: Be aware of purchasing similar products from other vendors. Many are located in foreign countries, making they'rewarranty difficult to service. Also shipping can take months and can cost as much as the purchase itself. Warranty Information We check all items before sending them out, if you received a broken or defective item please contact us immediately for return / exchange instructions. Buyer pays all shipping / handling charges. Capacitors come with a 12 months warranty covering factory defects.