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Discussion Starter #4
Dammit. They were capable of deleting the afm correct? Because my car was running with it for years prior without an atm (gm 3 bar) and had an iat sensor wired up
 

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Discussion Starter #5
I had a 91 harness. Replaced with a 93 wired for a gen3.....apparently j Didnt need to get the rewiring done
 

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OK - Did a search and found this. The Gen 2 Power FC, didn't actually use the AFM for fueling, it simply used the stock manifold pressure sensor (Which is limited on the Gen 2 compared to the gen 3). Essentially its re-pinned internally to match the Gen 2 pinouts, and minor software changes to facilitate the Gen 2 electronics (I.e MAP Sensor, igniter etc)
 
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