Connects2 CT10VL06 - Volvo C30 C70 S40 V50 Parrot SOT T-Harness Cable Wiring Lead Manufacturer Model Note Year From Year To Headunit Connection Volvo C30 High Performance Audio System 2004 N//A Volvo C70 High Performance Audio System 2004 N//A Volvo S40 High Performance Audio System 2004 N//A Volvo V50 High Performance Audio System 2004 N//A Installation: Most installation is carried out at the original connection behind the original car stereo, in some instance, where the car has an amplified system, the installation is carried out at the factory amplifier.The lead connects between the car ISO Harness lead and the connector provided with the car kit. The power connection is taken from the cars orginal wiring, for cars that do not have ignition feed supply, it will be necessary to source an ignition feed directly from the car fuse box. If the installation is carried out in the boot / trunk of the vehicle, then you will need an extension cable to allow for the device to be re-located to the front of the car.