How do you replace the wiring harness on a 1996 mercury mystique?

To replace the wiring harness on a 1996 Mercury Mystique, first disconnect the battery to ensure safety. Remove any necessary interior components, such as the dashboard or center console, to access the wiring harness. Carefully disconnect the old harness from the vehicle's connectors, noting the placement of each connection for reassembly. Finally, install the new wiring harness by reversing the disconnection steps, ensuring all connections are secure before reassembling the interior components and reconnecting the battery.