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06-22-2012, 05:59 PM
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#1 |
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Registered User
 Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
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tach help
is there a way to check if the tach for a dash is good without hooking it up to the truck?
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06-22-2012, 06:13 PM
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#2 |
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VA72C10
 
Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,267
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Re: tach help
ground it, and hook up the wiring to the distributor and a 12v power source...
oops...I was thinking without installing in the dash...not without a truck at all... the only way I know is visual inspection (no loose wires/solders inside under the cardboard tube (take the face off to get the tube off)) The needle should be freely moving by hand... Most of the time a factory tach will be fine...but the only way to be 100% sure is to hook it up.
__________________
Looking for a 67-72 swb or blazer project in or around VA. 
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06-22-2012, 09:20 PM
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#3 |
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Registered User
Join Date: Jun 2011
Location: chillicothe mo
Posts: 225
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Re: tach help
thanks VA72C10 for the help. found a guy that has 3 of the tach dashes cheap and wanted to check them before i pop on them.
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