These H4 High Temp Ceramic Lamp Connector are great for building your own wiring harness for you rally light pod. Halogen lights are becoming harder to find with HID and now LED technology becoming popular. But a good high powered Halogen lamp is still hard to beat. The quality of light is still excellent in comparison to even the most cutting edge technology. The main advantages to the new technology are power consumption and heat reduction. These connectors will stand up to the heat.