410GS300 Posted December 6, 2009 Share Posted December 6, 2009 Ok I have a 94 GS300 and I just recently hooked up an aftermarket radio in it just until i get the factory radio. I had to run speaker wire from the radio harness to each speaker in the car. Only problem is that I cant get the radio to stay programed thats a first from me. Never had this problem before out of any car. used the diagrams on here to find my 12v constant and Acc but everytime i shut the car off. I have to reprogram everything. Can anyone help me. Or does anyone have a factory radio for my GS? Quote Link to comment Share on other sites More sharing options...
2JayZ Posted December 8, 2009 Share Posted December 8, 2009 Ok I have a 94 GS300 and I just recently hooked up an aftermarket radio in it just until i get the factory radio. I had to run speaker wire from the radio harness to each speaker in the car. Only problem is that I cant get the radio to stay programed thats a first from me. Never had this problem before out of any car. used the diagrams on here to find my 12v constant and Acc but everytime i shut the car off. I have to reprogram everything. Can anyone help me. Or does anyone have a factory radio for my GS? Call Crutchfield and get one of their GS300 wiring harness adapters for the aftermarket radio you have. Quote Link to comment Share on other sites More sharing options...
stcist2 Posted December 8, 2009 Share Posted December 8, 2009 try using a test light to verify that your 12v constant is actually constant.. Quote Link to comment Share on other sites More sharing options...
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