Headlight Dim Dip Relay for Land Rover Defender 90/110/130 300Tdi/Td5/Tdci YWC10050L. GENUINE PRIDE PARTS. 1 x Relay (EP7506 / YWC10050L). Suitable for Land Rover Defender 90/110/130 vehicles from chassis number: HA705857 with 300Tdi, Td5 or Puma/Tdci engines.