Have a 579 Peterbuilt it has the navigation blue tooth stereo and it got bad screen do you have anything to replace it with it also has sirn radio
Posted on Fri 20th December 2019 10.49PM in category Test Category

Sounds like you have a Smart Nav System.  More info here.  Look at the harness carousel at 3rd image.  For the most part you will loose the screen.

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