Question about Garmin Nuvi 660 GPS Receiver

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Hard wiring the Nuvi 660

I want to hardwire my Garmin Nuvi 660 in to the car stereo. I would preferably have the Nuvi interrupt the stereo's music for navigation and handsfree mobile phone calls.

Does anyone have the Nuvi output wiring diagram or know of a connector unit like the c550's VIB 10? I would also want to recieve the FM Traffic (the VIB 10 cuts that off).

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  • Troynuvi Nov 20, 2007

    LogJam electronics sell a P.I.E. unit for $55 which looks to be just the job. Unfortunately I cannot find a UK distributer and LogJam only seem to ship within the US, see It states that the unit remains with the auxiliary input for 10 second after use which seems a little excessive but is definitely on the right track.

    There are other distributors charging $90 or so plus $45 postage!!

    I'll let you know if I find one in the UK

  • Anonymous Mar 12, 2014

    Can I purchase a new wire harness? I hard-wired a unit a couple years ago in my truck. The wire connections fried the unit... I've not purchased a new Nuvi1300,,, but thinking I will need to replace the entire wire harness as well? Any thoughts on where I can purchase the wire harness? I bought the replacement Unit on line... how would I know what part number to search for?



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Make sure you use the proper kit for hardwiring. The Garmin DC adapter setp down the voltage from 12vdc to 5vdc. If you don't get the right kit you could fried your unit.

Posted on Jan 31, 2008


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