Originally posted by alllooksnnogo
Well all things considered IMO its easier to use the new wiring harness if it comes in good condition. I would rather just reroute it and then connect right up rather then moding the connectors to fit the new ecu. Thanks though TXhatch 
umm. you can use your stock ex
engine harness and it will be ALL plug and play. your stock harness should plug into all the sensors on your b16b motor, except for the primary 02 sensor, which needs to be extended to reach under the motor. you dont need to mod any connectors on your ex harness to plug into the b16b