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I don't have a 660, I have a 550. but the best place is to go to this site and you will learn many things about your new "toy" http://www.zumoforums.com/
According to specifications, the audio output on the 660 seems to be the same as my 550. Therefore the audio output from the unit needs to be connected to the Harmon radio’s aux jack port with an mp3 cable. You will then be able to hear through the speakers or helmets. Note that the mp3 cable must have male connectors on both ends and aux must be selected on the radio.
1. Yes
2. Don't know
3. Yes
4. I believe you can use blue tooth to answer and talk on the phone but only with the headset
5.) Aux port works well, don't know how else you can wire it in.
5. There is a retro to add another Aux to the back of the radio so you can hook it in inside the fairing. It means getting inside the radio, installing the new port and cutting some wires. If you feel like trying this go here.
5. There is a retro to add another Aux to the back of the radio so you can hook it in inside the fairing. It means getting inside the radio, installing the new port and cutting some wires. If you feel like trying this go here.
I just did that mod and it works great. I have a 660 and mounted mine on the fairing. No exposed wires, looks clean. I don't have a helmet mic or bluetooth so I can't comment on those.
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