GM Repair Questions? Ask a Mechanic for Answers ASAP
If it has the HEI electronic ignition distributor that it had in 1976, it is real easy.
Are you going to use the regular type ignition switch on the column, or are you going to have 1 switch for ignition and 1 for just for the starter, like a push button? That would be the easiest way.
That is by far the easiest way.
For the ignition use a 2 terminal toggle switch like below. Run one wire from either terminal to the distributor coil marked "+BAT" under the coil cover on dist cap and the other terminal of the toggle switch to 12 volts from somewhere on the fuse box that has 12 volts all the time. This way the ignition only has power with the toggle switch flipped up.
For the push button for the starter. Connect one terminal on the button to 12 volt battery power just like the other switch, then the other terminal of the button run a wire to the purple wire at the starter solenoid. It should be the inside terminal marked "S" Then when you push the button the starter engages and if the toggle switch is flipped up, away you go...
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Thanks for asking and good luck on the track!