THUNDERMAX ECM Harness 309-324

It is installed to the bike’s wiring harness at the 36-pin ECM connector (connection requires harness plug disassembly; two terminated wires are inserted into two unused ports in the 36-pin connector, and a ground wire added), Handy for motorcycle models with tight clearances around the ECM such as Dyna, Softail Rocker and 02-05 V-Rod models, Requires ThunderMax ECM with serial number 114000 or higher (produced beginning August 2008), Allows a second port for the communication cable connection to the ThunderMax, Made in the U.S.A.