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So, is there a solution for the two wire IAC on the BBK with 4 wire Holley harness? I am in the same situation. Please advise on adapter or how to wire so ECU will work. Appreciate any help!

What ECU did you run? I’m running a terminator x and bbk 1792 TB. Having trouble with IAC hook up. Harness is 4 pin and IAC is 2 pin. Did you have this issue?

Did you get your BBK to work with Terminator x ECU? Im running into issues with TPS/IAC sensors. Both sensors have one less wire....did you run into this?