an anyone tell me what any of these connectors in the picture are for?

 

Two of them should be for the stock boost control solenoid which is long gone. Not sure off the top of my head what the third one is for.

Seeing as how you're single turbo you most likely don't need them.

Dale

 

Wastegate, Turbo Precontrol, and Turbo Control (Attached to Air Control Valve)

 

The white, green, and tan connectors go to the various rack solenoids.

https://www.rx7club.com/3rd-generation-specific-1993-2002-16/need-picture-rats-nest-simplified-sequential-358977/

 

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