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GM Nav help

Old Sep 18, 2008 | 07:46 PM
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Default GM Nav help

Is there a way to override the "failsafe" that keeps me from making changes in my route on the Nav system while moving? I know Pioneer had this failsafe and there was an easy "jumper" that could be done so you can make changes on the fly. I'd hate to have a "cheap" Magellan that can do this and not be able to on my "expensive" factory unit.
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Old Sep 21, 2008 | 10:53 AM
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Originally Posted by Red98C5
Is there a way to override the "failsafe" that keeps me from making changes in my route on the Nav system while moving? I know Pioneer had this failsafe and there was an easy "jumper" that could be done so you can make changes on the fly. I'd hate to have a "cheap" Magellan that can do this and not be able to on my "expensive" factory unit.
Nope, no bypass for the factory head has been worked out. One of the many, many reasons mine came out of the dash a month or so ago and in went a Kenwood 8120.
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Old Oct 8, 2008 | 03:10 PM
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t t t
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Old Oct 8, 2008 | 04:58 PM
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no need to bump this there is no bypass
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Old Oct 18, 2008 | 07:38 AM
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Originally Posted by pentavolvo
no need to bump this there is no bypass
If you open the speed sensor line it will allow changes but you must switch back for normal operation.
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Old Oct 18, 2008 | 07:52 AM
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Originally Posted by exracer28
If you open the speed sensor line it will allow changes but you must switch back for normal operation.
The Pioneer units that had the same "feature" were able to disable it by a simple jumper wire at the plug. Is it not possible that some electronics guru here has found the same type of override?
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Old Oct 22, 2008 | 09:22 PM
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I wonder why coastaletech does not make a lockpick for the vettes. I have one for my denali and it works great to overide the "safety" feature GM thought we needed on the factory NAV.

Maybe we should all start contacting them to show interest so they develop one for corvette.

Ian
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Old Oct 22, 2008 | 09:35 PM
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the reason its possiable on the pioneer is it was engineered into the unit for use in boats and rv's
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Old Oct 22, 2008 | 10:13 PM
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Originally Posted by isnider
I wonder why coastaletech does not make a lockpick for the vettes. I have one for my denali and it works great to overide the "safety" feature GM thought we needed on the factory NAV.

Maybe we should all start contacting them to show interest so they develop one for corvette.

Ian
I am a little confused as opening the speed senor line alows it to operate like the car was not moving and closing the switch allows normal operation. But then I don't know what a lockpick is!!
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Old Oct 22, 2008 | 11:23 PM
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by opening the speed sense line the unit doesnt realize the car is moving and gives u limited time to enter nav info 30 seconds or something like that before it freaks out from no signal on that line at all.

lockpick is something made for some cars that electronically tells the unit to unlock the nav and gives options for video playback
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Old Oct 23, 2008 | 07:45 AM
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Originally Posted by pentavolvo
the reason its possiable on the pioneer is it was engineered into the unit for use in boats and rv's
Just to be clear, the Pioneer function is NOT factory it is a mod that the end user must do to the unit. If that unit can be modified, why can't other manufacturers units be done? That is what I'm looking for an answer to.
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Old Oct 23, 2008 | 10:57 AM
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maybe the option isnt there, pioneer built that into the unit for testing and for people with rv's
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Old Oct 23, 2008 | 03:33 PM
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http://www.coastaletech.com/GMX320.htm

Check this site out, this is what a GM lock pick is...

No application for Vettes unfortunately

Ian
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