Thread: Factory tach install
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Old 07-07-2010, 02:45 PM
79GrandPrix 79GrandPrix is offline
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Join Date: Jan 2009
Location: Sante Fe, Nm
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I have a 79 gp that came with idiot lights. All I had to do was run a wire to the distributor tach hook up and that was all. HEI distributors all have the plug in for tachs.

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