VOLVO S80 V40 V70 AMPLIFIED WIRING HARNESS PC9-414 AUTOLEADS PC9-414Amplifier Bypass Wiring Harness Adaptor For VOLVOUse this adaptor to replace the head unit and run through existing Factory fitted amplifier. You will still need the harness adaptor relevant to your Vehicle, but only plug the power connector in which leads to ISO connector with Black Red and Yellow wires, not the speaker connector. Use a new head unit with RCA Phono outputs for Front and Rear with medium output level, not high output.This adaptor will enable you to replace your factory fitted head unit with an aftermarket model.It converts the cars power and speaker plug into a standard ISO connection, suitable for all aftermarket head units (Alpine, Clarion, JVC, Kenwood, Pioneer, Sony etc).You simply plug one end of the adaptor into your cars original wiring harness, and the other end into the new head unit. No cutting of wires is necessary.Fits vehicle models including: Volvo C70 : 2001 to 2006 All Amplifed HU models Volvo S40 : 2000 to 2004 with Amplified Dolby System Volvo S70 : 2000 Onwards With Amplified Dolby System Volvo S80 : 2004 Onwards with Amplifed Dolby System Volvo V70 : 2004 Onwards with Amplified Dolby System Amplified Head UnitsThe above list of vehicles is a general guide and cannot be guaranteed in all cases.To ensure compatibility, we recommend that the vehicle connector pictured above is compared to the actual connector on your vehicleFor further information on this product please use the eBay message system and we will reply promptly.