Question about 1965 Chevrolet Corvette

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I need to find a wiring diagram for a 73 corvette on the coil

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Look at the HEI distributor. You will see a rectangle shape coming out of the side of the coil cap. Observing it closer, you will see that there is abbreviations on it, raised up from the rectangular area.

BATT is Battery. This is where the thick Red wire goes. It comes from the starter, but doesw not receive power until the ignition switch is turned to the On position.

TACH is Tachometer. This is a wire smaller than the BATT wire, and is usually Brown in color, but color codes vary. May be Blue.

There are three flat blades, looking underneath this rectangular shape.
Flipping it back and forth, you can see that one of the outside flat blades, goes to the Batt wire.
The other outside flat blade goes to the Tach wire.
The middle flat blade goes to Ground.

Posted on Apr 18, 2009


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