Permanent (memory) goes to a 12v constant source.
Switched (ignition)iis your turn on lead. You needa12volt switched power lead.
The Illumination goes to the dimmer from the park light swith. Or you can use the parklight circuit to feed that wire. Either way the display of the radio is meant to dim with the dash lights. You can leave it disconnected to keep it "fixed or hook it up to be "variable". Some people leave it disconected. All thoes wires should be located in the factory harness. Always bench test the radio before instaling into yout vehicle.
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FUNFGRUPPEN
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