Reading Body Tail Light Harness for 2024+ GM HD with LED Lights

Direct plug and play solution to connect a Reading body to a GM 2500/3500 when removing the bed. Only for use on 2024 + GM 2500 & 3500 vehicles equipped with OEM LED TAIL LIGHTS ONLY. Fixes “hyperflash” due to mismatch of LED and incandescent bulbs. NOTE: Not for use with Factory Box Delete or Chassis Body vehicles or on trucks with LED tail lights. For trucks that have INCANDESCENT taillights, choose the 003-523-RD