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Ok made the commitment today to make the change. No going back now. Items done so far.
Cut the 4 wires for the backup camera from the 28 pin connector and wired into the 5 pin connector on the new radio.
Cut the remote amp on wire from pin 9 of the 28 pin connector and relocated to pin 8 of the 10 pin connector.
Spliced the accessory power wire to the Aux unit assembly pin 5 of the 8 pin connector and pin 1 of the 28 pin connector.(this is suppose to be an ign signal)
Added a ground to pin 1 of the 8 pin aux unit assembly.
This has it working along with the backup camera, Satellite radio, radio, BT streaming, STARLINK Apps.
I still need the wire harness and usb plugs from the 2018 to plug into the aux unit assembly. This should get Apple car play working. GPS antenna. Plastic trim piece. Steering wheel controls from a 2018, this hopefully will get the steering wheel controls working.
The microphone assembly from the 2018 is different (it has 2 mic’s) but it works with the 2017 mic with no changes.
This radio has retained accessory so it does not shut off for a couple of minutes when you turn the car off. It needs a ground signal from one of the door courtesy lights. This plugs in to pin 4 of the 12 pin connector.
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