Running dual, synch'd Holley 390cfm carbs, P/N 8007. Electric chokes, each with a hot and ground plug.

Split the hot wire to the choke, ran it to each hot lead on each carb. Grounded the carbs to the block. The hot wires have power when neither of them are hooked to the carbs, but they both lose power when one (or both) of them are hooked up.

What did I miss?