ECU Patch/Extension Harness AEM's Universal ECU Patch/Extension Harnesses work with most engine management systems and allow you to install turbo timers, data loggers and other ancillary electronics without having to cut and splice into your factory wiring harness. This product fits the following vehicles: 2002 to 2006 Acura RSX 2.0L VTEC 2002 to 2006 Acura RSX Type S 2.0L VTEC 2003 to 2005 Honda Accord 4 Cyl 2001 to 2005 Honda Civic DX, LX 1.7L 2002 to 2005 Honda Civic Si 2001 to 2005 Honda Civic EX 1.7L VTEC 2003 to 2006 Honda Element |