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How to test Electronic Speedometer??

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Old Aug 14, 2006 | 11:35 AM
  #1  
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Car: 85' TA
Engine: 355 Carbed
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How to test Electronic Speedometer??

ok i know some. of you here have got to know how i can test an electronic speedomer thats in my 86... its 100% electronic, the VSS, the yellow box thing and the guage.

i want to test the guage to make sure it works.... get it out of the equasion...

then i want to test the yellow box, anyway i can do that?

then if they both check out replace the VSS which i hope is the problem...
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Old Aug 14, 2006 | 12:18 PM
  #2  
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From: Alloway Nj
Car: 85 Pontiac Trans Am
Engine: wouldnt you lilke to know??
Transmission: TH350 Built to the hilt
Axle/Gears: 4:10 Gears Moser Axle Auburn Posi
you could always put it at 60 miles an hour and see if you do exactly a mile in 1 minute...... or you could find one of those caution sighnes that tell you how fast your going....
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Old Aug 14, 2006 | 12:49 PM
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Car: 85' TA
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no the accuracy is not the problem, the guage hasn't moved in like a year, and i'm finally trying to figure out what went wrong...
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Old Aug 15, 2006 | 07:47 AM
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Car: 85' TA
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????
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