they don't exist.
you can get an '89+ "field's" harness new, but for the <'88 stuff you'll need to source a VPC or FCON harness and modify it accordingly.
what? where did i mention gnd wires? this thread is about a SAFC and FCD....both of which connect to the AFM input to the ECU....
as for your grounding issue, gnd the FCD to another gnd.
yikes.
1. you should try to get the car tuned. depending on turbo, FCO should be past 14 psi.
2. the FCD is the reason you're running lean.
3. it should be wired this way: AFM->SAFC->FCD->ECU just realize the FCD is negating most of what you're doing w/the SAFC.
newsflash: .bmp images cannot be displayed on teh intarneets.
newsflash 2: there are a myriad of things you need to know about a turbo, most importantly are WHAT compressor and turbine are in there, housing A/R isn't nearly as important. measure inducer/exducer of each wheel, compare to known...
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