International Organization for Standardization (ISO) connectors are very common in car stereos, bluetooth hubs and after-market compact disc (CD) players for cars. These connectors are part of the wiring harness and make a stereo, bluetooth hub or CD player device work properly. Various kinds of ISO connectors exist, with different connectors used for different cars. Each kind of audio device may have a specific wiring pack that needs to be purchased. Writer Bio
