Grand Marquis V8-281 4.6L SOHC (1992)
^
Use this measurement to determine the correct service ignition lock set, Figure 2.
^
Refer to the following Ignition Lock Set Application Chart Figure 3, For correct parts usage.
3.
Using the old ignition key, decode tumbler cut numbers 5, 7, 8, 9 and 10 using the called out tool.
4.
Cut the new key position numbers 5, 7, 8, 9 and 10 using the called out tool.
5.
Check the new key operation in the new ignition lock cylinder and the doors (both keys).
6.
Install the new ignition lock cylinder in the steering column. Refer to the appropriate Car Service Manual for service details.
7.
Start the vehicle to verify proper operation.
