This Plug-n-Play Ethanol Sensor Harness from Precision Raceworks is certified by Motiv and directly compatible with the ReFlex+. This harness is a must for anyone wanting to connect an Ethanol Content Sensor to your Re|Flex+ allowing control based on real time ethanol content. For CANbus integrated cars, this harness allows you to integrate your ethanol content sensor into the factory DME/ECU (Check with your tuning software or tuner to confirm CANbus integration with ReFlex+ is available). Does not include an ethanol sensor.