Question about 1989 Chevrolet C/K 3500
Hi there. the radio code is obtained by your GM dealer. if you turn ignition on for one hour and not shut of power to radio. it will let you out of the "nop" mode..this has locked you out to obtain your security code....after the system "releases"...ress and hold the #2 and #3 buttons on the radio at same tim...this will give you a 3 digit code..write those digits down, then press am/fm..it will then give you a second 3 digit code. call your local gm service department and advise them of your 6 digit code and they can call GM for your unlcock code...have fun!
Posted on Aug 03, 2010
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Posted on Jan 02, 2017
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