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All righty, people who install new head units in their car with mp3 players and cd players and dvd players and what not. . . what happens to that anti theft number password that you push when your car shuts down. . EXAMPLE is when i d/c my battery to reset the ECU and i had to push certain numbers for the radio and stock headunit to play again. . i was wondering. . how will that work with the NEW or AFTERMARKET headunit??? Does it even work for it???

 
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Only works for the stock head units.

 
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the anti theft is built in the OEM head units so whyen you remove it you remove the A/T device time to get a real alarm