Hands Free Vehicle Technologies

This harness worked for a 2005 Mercury Grand Marquis, but it was a bit weird... We had to plug both female plugs into the back of the radio, even though only the larger plug had a mate on the other end. This radio was not amplified, so there was not another female plug for the smaller male to connect with. But the radio had a male connection that was not being used, and that's where the smaller plug went. Weird. But we had to plug that in, to insure that sound came through - without it, no audio from the Parrot system. And when the audio did come out, it sounded great! All 4 speakers played the calls. So overall, after figuring out that all HFVT harness plugs needed to be connected (minus the one for which there was no mate), it worked great.