Wiring harness M-B Sprinter W907 to Rear spoiler

Wiring harness M-B Sprinter W907 to rear spoiler. Wiring harness for rear spoiler sidelights and workinglights. This kit is for years 6/2018- and newer cars. Turn working lights on when returning gear is turned on, includes switch to innerpillar to back. Extra wiring for extra switch for example to dashboard coupling. Wiring harness isn't necessary, but get working light installation much easier.