Now you can replace your cracked or deteriorated Door Courtesy Light Wire Harness professionally with this perfect reproduction from Scott Drake. This 1964.5-66 Mustang Door Courtesy Light Wire Harness is just like the original, with authentic styled grommets, plugs, connectors, and braided loom. This is a direct plug in for the under dash door light switch. Comes equipped with an addition wire for the Deluxe Remote Mirror Kit with LED Indicators (C5ZZ-17696-LED). This is a complete harness for one door. Note: Also required when doing a Pony Interior conversion.