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02-13-2026, 11:07 AM
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#17 |
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Senior Member
 Join Date: Feb 2022
Location: Ca
Posts: 1,024
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Re: Dual Fans - Vintage Air - ProFlo-4 ECU
Looks correct. You did not show the connection to the ecu from trinary/vintage air +12v to let the programing know there is an additional load of the compressor. Most efi systems have a sensor wire to look for +12v signal when the compressor is running. It triggers a tuning modification to adjust the IAC valve, timing, and RPM. Normally all configurable in the software. This allows compressor cycling with little to no noticable affect on engine idel.
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