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06-03-2005, 06:30 AM
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#1 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Tach & HEI ?
I'm going to retro a Camaro Tach to my dash, and am asking how to wire it up. Does one lead on the back of the tach. go to the HEI plug, where it says "Tach". Does the other wire on the back of the tach go to ground?
thanks.....
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1997 GMC Sierra Ext 1965 Mustang |
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06-03-2005, 07:17 AM
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#2 | |||
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Union Electrician
Join Date: Feb 2005
Location: Louisville, Ky.
Posts: 3,354
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I'm not totally sure about the camaro tachs,but the factor one's for our trucks is one side is + or power and the other is the tach lead from the dizzy.the tach shoulld pick up it's ground thru the gauge cluster, anybody correct me if I'm wrong, but I think I'm right. Randy
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06-03-2005, 07:53 AM
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#3 |
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Senior Member
Join Date: Jun 2001
Location: Shelbyville, KY
Posts: 3,261
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Randy has it correct. The tach lead goes to the tach pickup on the HEI. the other goes to +12V when you turn on the ignition switch so pick it up off the fuse box. Ground comes from the dash cluster metal frame. Huck
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06-03-2005, 04:24 PM
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#4 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Great..thanks........
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1997 GMC Sierra Ext 1965 Mustang |
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