14-UP SounDigital 400.4/800.4 Hi Level Bridged Input
This "14-UP SounDigital 400.4/800.4 Hi Level Bridged Input" is used for a plug and play connection on 14-23 Street Glides and Road Glides when bridging a SounDigital 400.4 or 800.4 amplifier. This harness maintains correct stereo separation.