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1999 GMC C3500 Sierra SL 7.4L Theft lock radio
Posted to GM Electrical on 7/30/2001 20 Replies

I have come across this a lot lately on GM vehicles. If I replace the battery, and the radio has a theftlock system, and we don't know the code, how do we unlock it? Furthermore, how do we get rid of the code altgether once the radio has been unlocked. The loc...

20 Replies Received (View Replies)

  Related Documents & Media  1999 GMC C3500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1999 GMC C3500 Sierra SL

VIN 1GTHC33JXX
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTheft Lock Radio
ConditionsLocked
Message Closed w/FIX

car Vehicle Data

1999 GMC C3500 Sierra SL

VIN 1GTHC33JXX
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedTheft Lock Radio
ConditionsLocked