anti theft problem on 2004 Buick LeSabre

car won't start. all lights come on but won't start. may be the anti theft key

Asked by for the 2004 Buick LeSabre
First you need to verify that when you turn the key to the crank position that you have power at the purple wire at the starter. You may just have a problem starter.
agree w/ parts guy. if you have pwr have your mech read anti theft codes