Car wiring diagrams: Acura Bose Harness, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. Subject Acura Legend LS Bose system legend LS Bose Amp Yes, you do need to keep factory on the speakers, however most of >the time it's the amp that goes .DON'T cut the factory wire harness! For easy installation of aftermarket car stereos, we suggest purchasing the wire harness that mates to the connector on this page..DON'T cut the factory wire harness! Purchase the aftermarket wire harness that mates to the factory wire harness. Color coded to match most aftermarket car stereo .