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How important is the VSS wire?

  #1  
Old 11-19-2008, 05:42 PM
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Default How important is the VSS wire?

How important is the VSS wire? If I don't hook this up on my in-dash gps will it be off by a few feet only?
 
  #2  
Old 11-19-2008, 05:46 PM
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Default RE: How important is the VSS wire?

I would guess its not that important, although I do not have a indash gps, nor have I installed one, but I have gps system and it is pretty accurate and can guess the speed accurately and isnt hooked up to the vss.
 
  #3  
Old 11-19-2008, 06:03 PM
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Default RE: How important is the VSS wire?

I'm pretty sure the GPS uses your coordinates to determine your speed.
 
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Old 11-19-2008, 10:24 PM
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Default RE: How important is the VSS wire?

I'm pretty sure that is just for the unit to know if your moving or not to lock out certain features. So instead of a parking brake, it makes sure your not moving. GPS speeds are accurate to 0.1mph if I remember correctly.

EDIT: I'd like to emphasize that once your going over say 5mph or so GPS speeds are very accurate, only at very slow speeds does the accuracy diminish.
 
  #5  
Old 11-20-2008, 09:29 PM
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Default RE: How important is the VSS wire?

OK thanks guys.
 
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