This adapter is required when replacing your factory fitted radio with an aftermarket radio. It will convert the original vehicle power & speaker wiring connectors to a standard ISO connector. Simply plug one end of the adapter into your cars wiring harness and the other into your new radio.Features & BenefitsPlug and play, no cutting of wires requiredConverts car specific power/speaker connector to a universal ISO connectorPlease check the connections in the vehicle match the harness you are purchasing