Metra 70-1119 Wiring Harness for Select 1985-1992 Volvo Vehicles Plugs into car harness at radio Power/4 speaker 9-Pin plug Compatible with select 1985 - 1992 Volvo vehicles Plugs into car harness at radio Power/4 Speaker 9-pin plug Allows for the installation of an aftermarket radio using the existing factory wiring and connectors