The present disclosure provides a kind of vehicle-mounted power supply audio integrated transmission structure and vehicle-mounted transmission wire harness, above-mentioned structure includes power supply plug, power supply wire
assembly and
audio power supply wire
assembly, power supply wire
assembly includes power supply positive pole component, power supply ground component and power supply terminal, power supply positive pole component includes positive pole power supply wire, positive pole
branch piece and positive pole wire, positive pole
branch piece includes positive pole rubber block, positive pole shunt terminal, positive pole covering film and positive pole
branch piece, power supply ground component includes negative pole wire, negative pole branch piece and negative pole wire, negative pole branch piece includes negative pole rubber block, negative pole shunt terminal, negative pole covering film and negative pole branch piece.Assemble power supply positive pole component, adjacent positive pole wire is separated by a positive pole branch piece, then by positive pole covering film, so that positive pole wire and positive pole branch piece are
linear distribution on cross section, assemble power supply ground component also uses the same effect, guarantee vehicle-mounted central control can be normally powered.