Restoquad's HARN-6 adapter is designed to work in conjunction HARN-1. The plug and play street legal harness.
-HARN-6 includes the black connector to power the Restoquad LED taillight's integrated rear turn signals.
-HARN-6 includes the necessary connectors for the external V2 Rear Turn signals
Note - Without this harness adapter, there is no way to power the turn signals on the LED rear taillight.