Peripheral / PAC PGHNI2 PXAMG, PXAUX Specific Harness for Nissan/Infiniti (Includes 5 Connectors) PXAMG harness for select Nissan/Infiniti vehicles that are satellite radio ready Infiniti If you are installing the PXAMG-A into an Infiniti vehicle, you MUST update the interface with firmware version .36a. Please visit this link to update your PXAMG-A PXAMG, PXAUX Specific Harness for Nissan/Infiniti PXAMG harness for select Nissan/Infiniti vehicles that are satellite radio ready. Infiniti&nbsp;If you are installing the PXAMG-A into an Infiniti vehicle, you MUST update the interface with firmware version .36a. Please visit this link to&nbsp;update your PXAMG-A