How do you replace an ignition cylinder in a 1987 Cadillac Eldorado?

I need some instructions on how to replace an ignition cylinder lock on a 1987 Cadillac Eldorado Biarritz. Thanks for your help in advance.How do you replace an ignition cylinder in a 1987 Cadillac Eldorado?I will refer you to a website try alldatadiy dot com or mitchell1.com. They have step by step instructions with pictures, good luck.

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