Nintendo Switch Light Backlight Not Working

Hey guys so I purchased a soda damaged switch light and I opened took apart switch. cleaned up board damage was only on the left side joycon mostly on 2 ribbons the joycon analog ribbon and not sure what the second ribbon is called but that’s the one I need to buy. The leads on the end of the ribbon cable seem to have gotten scratched of while cleaning with qtips or maybe the corrosion caused the damage cus it was bad on that ribbon cable. Anyways switch turns on screen works buttons work but no backlight just black screen any help is much appreciated . Cant upload pics so ribbon cable in between speaker and battery on bottom left side