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Discussion Starter #1 (Edited)
Wires in Nav III

I'm replacing a Nav III with a Zumo 660 and I notice on the Nav II wiring there are three wires on the GPS side of the power lead plug - red, black and purple. I'm assuming black is ground, but what is the difference between Red and Purple? Any ideas? Thanks guys!
 

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Discussion Starter #2
Cancel that - I found the answer. Red is 12V+, Black is ground, Purple is speed connection for variable speed volume (Zumo doesn't use this).
 

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A little tricky sadly. Audio out would need to go to an Aux in somewhere if you mean you want to connect it to your stereo. If you don't have an Aux-in you have a few choices - first is to get the aux-in cable from a dealer, if I recall correctly about $30, but likely will need an inline amp. Other option is to replace the 6-stack player with an ipod adapter and get the optional aux-in cable with that. I'm doing the latter but haven't done it yet so not sure how good it is. What I'll be doing is the ipod adapter path but put a "Y with switch" in it to wire to my Starcom1 intercom so that I can also hear it in my helmet and switch off the link to the stereo (leaving just the ipod playing). A bit convoluted sadly.
 

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I too am trying to connect up my audio out from the Zumo 660 into the BMW Com System. I had to cut the wiring harness in order to be able to connect it to my BMW Wiring harness I previously used for my Street Pilot and then my 550. The headphone jack line (audio out) has four (4) wires: yellow, orange, brown and purple. Can anyone tell me what the various wires are for? I just want to come out with mono out of the GPS. I was able to do that on the 550 but I just can't seem to get it to work for the 660 wiring. Your help would be appreciated.
 

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Rowie,

I did the same with my 660. That is, I connected it through a Dice Silverline Pro with a 3.5mm male / male extension cable, and it works perfectly with my BMW ComSystem. The only drawback is that I have to select the CD changer to get GPS or mp3 audio into the headset / speakers, and that includes the GPS verbal directions. But, the sound is excellent. If you're listening to AM/FM you won't get the verbal directions with it set up this way. I personally don't mind switching if I want to get audio turn by turn.

Bill Edwards
Boerne, TX
 
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