if your going obd1 you need a gsr obd1 distributor and change the plugs on the harness.
here is the obd2 wiring diagram tells ya the wire colors
and here is the obd1 colors and functions
A1-INJ1 INJECTOR#1 Brown, Battery Voltage with KOEO
A2-INJ4 INJECTOR#4 Yellow, Battery Voltage with...
which harness are you using? knock sensor is in pin d3 on ecu link shows ecu and so forth 2nd wire goes to ground.
https://hondaswap.com/reference-materials/ecu-pinouts-28667/
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