Garmin 010-12445-33 12Pin+8 Pin Transducers,Black,Small;

Transducer Adapter Cable f/P72, P79, GT15 & GT30 for echoMAP CHIRPConnect a Garmin GT30 transom mount scanning transducer and a Garmin GT15M-IH, Airmar P72 or Airmar P79 in-hull mount traditional transducer to a compatible echoMAP CHIRP chartplotter/sonar combo.This adapter cable allows the echoMAP CHIRP to continue to display water depth from the in-hull transducer in instances when the transom mount transducer loses depth reading due to cavitation.