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GPS Shows Wrong Position?

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Old Sep 13, 2009 | 08:57 AM
  #1  
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From: St. Louis, MO
Default GPS Shows Wrong Position?

Lately my GPS has taken to getting my position off by about 100 yards or more resulting in it showing me on the wrong roads and giving me wrong directions. Unless those guys on the Columbia have been bumping the GPS sat's I think I've got a problem.

Is there a recalibration routine I can do or do I need to consider taking it to the stealership for some support? Anyone else have this problem?
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Old Sep 13, 2009 | 03:02 PM
  #2  
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About two weeks ago my nav crapped out while trailing a run. The pointer on the nav map kept going straight when I turned, then it would no longer recore trails.

This is the second stereo/nav unit in 1 1/2 years. The first issue was no audio.

My dealer said they had never seen this issue either time...

The new unit is doing well and working as it should.

You may need to take it in and request a new unit through warranty.
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Old Sep 13, 2009 | 04:08 PM
  #3  
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Oh man! That would be sweet if they would warranty it as the new ones have the iPhone connectivity feature!
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Old Sep 13, 2009 | 04:10 PM
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How many satelites are you picking up? A new antenna and antenna wire fixed the same problem for me. I was only picking up only one or two satelites; three on a good day. Now I pick up 8 or 9.
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Old Sep 14, 2009 | 05:23 AM
  #5  
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I average about 6 in most cases. What's strange is this always seems to happen when things are wide open with no tree or building cover.

My fear is I'll take it to the dealer, they'll say they can't reproduce the problem, and even if they can they'll try and blame it on my AllGIG.
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Old Sep 14, 2009 | 06:41 AM
  #6  
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My radio was doing this as well. It usually went back on course once the vehicle was shut off and turned back on. Then all the music files I had on the harddrive were lost. I took it back to the dealer and they asked a couple questions and once they found out that my Jeep was a 'early' 07 model the electronics specialist said that they would just order a replacement because the early ones had all kinds of problems. They were good about covering it under warranty but of course they said 3-4 days to order a new mygig with the same serial numbers that matched my vehicle and it's been a week and a half and the radio has not come in yet. He said that the nav software would be upgraded as well so both problems should be taken care of. We'll just have to wait and see I guess.
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Old Sep 14, 2009 | 11:50 AM
  #7  
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Originally Posted by Skippman
Oh man! That would be sweet if they would warranty it as the new ones have the iPhone connectivity feature!
Sorry Chrysler doesn't work that way you will receive a refurbed one. Not a brand new one... In fact I don't know a single person that has received a "Brand New" unit for a replacement for any MyGig issue. New units are reserved for the assembly line only.

The GPS antennas are only $40 I have gone threw 2 so far. Have you updated the MyGig to the latest software v2.042? And the last thing I did to improve GPS signal was to relocate the compass sensor away from the GPS sensor. https://www.jk-forum.com/forums/jk-write-ups-39/how-improve-nav-signal-mygig-91660/

You can also relocate the GPS sensor to a different location by purchasing a extension MCX (micro coaxial) connector cable.

Also if you have the Daystar top dash panel do not put your cell phone up there at all. This will effect the GPS signal and the compass signal (if you sensors are still located under it.)

Last edited by whpony96; Sep 14, 2009 at 12:00 PM.
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Old Sep 14, 2009 | 12:24 PM
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That's a shame on the replacement issue. Anyone wanna swap?


As far as the GPS issue, yes I have a Daystar upper. All that sits there is my sunglasses as I keep my cellphone in my pocket thanks to my uConnect kit. I'd heard of and see them them interfering with the compass but never heard of it impacting the GPS antenna before.
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Old Sep 14, 2009 | 07:34 PM
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Send a message to member - rguarin
He had the same problem and has a fix.
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Old Sep 19, 2009 | 01:56 PM
  #10  
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Originally Posted by Skippman
Lately my GPS has taken to getting my position off by about 100 yards or more resulting in it showing me on the wrong roads and giving me wrong directions. Unless those guys on the Columbia have been bumping the GPS sat's I think I've got a problem.

Is there a recalibration routine I can do or do I need to consider taking it to the stealership for some support? Anyone else have this problem?
Mine does it regularly. Stopping, turning the ignition off and getting out and closing the doors then getting back in and starting it up seems to work. I have also found that if you are moving you set the system to radio, turn it off, press eject so the CD door opens and then close it. Then turn the radio back on and go to NAV and it seems to get back on track. It is frustrating.
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