we changed our switch it turns over but now it will not start on 1999 Chevrolet Malibu

some one tore up the switch we changed it and now we can't start it.It turns over but no results in starting it.

Asked by for the 1999 Chevrolet Malibu
2 answers
check on line and you'll find out how to deactivate the anti theft. I know it's behind the radio and there a yellow wire to cut then the anti theft light will stay on but the car will start or at least that problem will be fixed.
poss anti theft working. is your key a programmed key? if so you must use dealer parts and program the key and cyl