Allows a second USB port for the communication cable connection to the ThunderMax® Gen III (#309-460) models. It is installed to the bike's wiring harness at the ECM connector; handy for motorcycle models with tight clearances around the ECM. Will not work on ThunderMax® TBW,Gen I & II cable-model ThunderMax®,'11-up cable Softails®, '12-up Dyna®/Softail® models or 2014-up Sportster® systems. Included with 309-485 model ThunderMax® |
