inputs.text: excellent bluetooth adapter existing jvc stereo systehem - installation process incredibly simple need wirecutters electrical tape ground electrical wires colors coordinate existing wires wire harness behind jvc stereo systehem existing black bluewhitestriped wires already connected harness stereo systehem rehemove old electrical tape two wires holding harnesss wire stereofs wire together twist two wires along coordinating jvc bluetooths wire ie black harness black stereo black bluetooth wrap electrical tape brown wire harness free not connected stereo systehem strip twist itconnect jvc bluetooths brown wire next plug auxillarybluetooth port back basically 35 audio cable drehemeled small opening side dashboard ran bluetooth wires thehem attached adapter dashboard via supplied doublesided tape entire installation took 30 minutes following diagrams first time simple clean bluetooth interface flawless soundcall quality excellent no echos using phones speakers settings highly recommended