The actual compononts in the radio or for the power/speaker plug on back?
http://www.modifiedlife.com/2003-hyundai-sonata-car-radio-stereo-audio-wiring-diagram/
you need to pop out the frame and unscrew the radio. You will need a wiring harness for an after market stereo.
harley davidson radio wiring schematic
putting in aftermarket radio and need color codes for 1998 Hyundai Sonata GL L4-2.oL
You can find wiring schematic @www.modifiedlife.com falconspath
What are the wirering codes for the back of the 1999 hyundia sonata.
do a search on eBay
It is a complicated process to reset the radio in your Hyundai Sonata after changing the car battery. First you must have the access key. Enter the access key at the prompt and follow the instructions that will be shown on your radio screen.
http://www.modifiedlife.com/request-a-hyundai-car-radio-stereo-wiring-diagram/
get on internet: www.installdr.com for wiring diagram
go to installer.com
http://www.modifiedlife.com/2005-hyundai-accent-car-stereo-radio-wiring-diagram/