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Old 10-06-2010, 07:12 AM
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Default 66 impala factory tach hook up

stumbled across a factory tach for a 66 impala,need to see if it works,it has two studs on the back,anyone know how to wire it up? thanks
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Old 10-06-2010, 04:29 PM
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Default Re: 66 impala factory tach hook up

The stud with the red grommet on the back goes to the negitive side of the coil. The housing needs to be grounded.


Jason
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Old 10-07-2010, 04:46 AM
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Default Re: 66 impala factory tach hook up

Jason,both studs have a red grommet
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1967 SS427 4 speed triple black survivor-sold to a good home
1969 nova SS396 L78 4 speed triple black survivor
1970 camaro SS350 citrus green,Dad bought it new!
1968 chevelle ss396 L34 M21 KK rear all born with
1972 formula 400 M22
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Old 10-07-2010, 05:01 AM
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Default Re: 66 impala factory tach hook up

Can you post a picture. One should say dist and the other should say 12V
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Old 10-09-2010, 04:46 AM
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Default Re: 66 impala factory tach hook up

Also, if you can post the part number that is ink stamped on the back it would help. If it's a TI ignition tach it won't hook up the same. That could damage it.
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