What are these Connectors called??

Mattax said

Sound liike a good plan.
I think with EFI a change in the original wiring strategy is the best approach.
With the key in the column, it seems have become a trouble spot. They started splitting the power going to and from the key switch to reduce the load on the wires and connectors. I'm sure you have it figured by now.
Headlight circuits in the A-bodies were underwired most years. I think its because the headlights originally used drew less power. Around 73 or 74 they changed the headlights to the newer, higher draw bulbs but didn't change the wiring. Just 18 awg from the hi/low switch to the lamps. :( If you haven't yet, relays really help on these cars.

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Yep. Have to Jump the Blue and Brown Wires (IGN 1 and IGN 2) to get power while cranking. Also as noted above, The Black Wire from the Ignition switch is defiantly not a Ground. It is the ACC circuit and Hot while the Key is in Run and when in ACC position.

Thanks for the tip on Headlight wiring. I am using relays for the headlights already. Actually have everything on Relays inside the pro-street board. Only external relay I am using is for the Cranking Circuit so I can use the Neutral Safety Switch in the trans (Breaking the Ground Side) with the positive for the relay coming from the Key Switch.

Once I get those Pins and get everything terminated, I get to smoke test this thing. Hoping all that magic smoke stays inside when I put juice to it. ;p