1989 Cadillac Seville MY CAR WONT START

You have broken wires at the ignition cylinder. These are in the column, and the only repair is replacement of the cylinder. If you choose a used column, be aware that there are 15 possibilities of key values, and the chances of getting the same value are slim. A dealer can use a tool called interrogator to read your key value. You can bypass the cylinder, down at the connector at base of column, either with a new cylinder plugged in or, knowing the resistance value of your key pellet, putting a resistor across the harness side terminals.