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Modifying a Garmin Streetpilot i3 SatNav for my bike.

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mr_pete
Trackday Trickster



Joined: 04 Apr 2006
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PostPosted: 15:47 - 22 Jul 2006    Post subject: Modifying a Garmin Streetpilot i3 SatNav for my bike. Reply with quote

TomTom Rider = £400 = no thankyou!
Garmin i3 = £129 = acceptable! (but no headphone connection)

Challenge : fit headphone connector so I can ride and enjoy!

I've posted the pics and description of all this over on LiveJournal - the link to the post is here : https://community.livejournal.com/uk_bikers/286579.html

If anyone else decides to have a go, let me know Smile
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mattish
Spanner Monkey



Joined: 09 Aug 2005
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PostPosted: 16:08 - 24 Jul 2006    Post subject: Reply with quote

Nice mod, but bear in mind by adding the extra speaker (headphone) in parallel with the original you will be taking the impediance down and stand a chance of blowing up the amplifer in the gps unit if turned up full Shocked
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mr_pete
Trackday Trickster



Joined: 04 Apr 2006
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PostPosted: 17:22 - 24 Jul 2006    Post subject: Reply with quote

mattish wrote:
Nice mod, but bear in mind by adding the extra speaker (headphone) in parallel with the original you will be taking the impediance down and stand a chance of blowing up the amplifer in the gps unit if turned up full Shocked


Am I heavily untechnical, so can you explain that in muppet proof terms? Smile

The unit has 6 volume settings (0, 1, 2, 3, 4 & 5) - and I'm not sure if thats as high as it (could) get. I had it on "3" on the test run to work today and it was perfectly audible Smile

Would it be (technically) possible to add a switch to use one or the other?
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Mr Calendar



Joined: 14 Jun 2004
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PostPosted: 17:29 - 24 Jul 2006    Post subject: Reply with quote

mr_pete wrote:
...Would it be (technically) possible to add a switch to use one or the other?

You should be able to get a socket such that you wire the speaker via the socket (normally closed Confused). When you insert the plug the speaker is disconnected and the headphone is connected.

Sorry can't be of any further help, I just don't know the right terms for the part. Suggest a trip to Maplins or your local friendly electrical bits supplier.
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