Hey everyone I updated my wiring harness to a rywire tucked harness came with the sub harness for the Integra no big deal my question are how did anyone get the harness into the car to plug into the ecu? I have pulled the grommet from the existing harness out and cannot seem to get the plugs snaked Through? Anyone have any ideas? Drill a new hole?

 

One plug at a time?

 

Yeah obv one plug at a time just seems like not enough room between the dash heater box and the firewall to fit the plugs through