How do you replace steering column mercury marques?

To replace the steering column on a Mercury Marquis, start by disconnecting the battery to ensure safety. Remove the steering wheel by loosening the retaining nut and using a steering wheel puller if necessary. Next, detach the lower dash panel and any wiring harnesses connected to the column. Finally, unbolt the steering column from the dashboard and steering gear, then install the new column by reversing the disassembly steps, ensuring all connections are secure.