91 F350 Wiring Harness

Could someone identify these 3 wiring harnesses? Aftermarket engine controller? Harnesses connected dash anything

Aftermarket engine controller? - Ford Truck Enthusiasts Forums

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OEM Diesel Engine Wiring Harness for 04 Ford F250 F350 F450 04-05

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Could someone identify these 3 wiring harnesses? - Ford Truck

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Aftermarket engine controller? - Ford Truck Enthusiasts Forums

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60 Powerstroke Wiring Harness Diagram - Drivenheisenberg