94-04 Mustang Door Lock Switches tend to go out due to age and constant use. LRS carries a full line of new replacement Switches for this exact reason. These are factory type replacement door lock switches for your 1994-2004 Mustang.
I have been ordering items from Latemodel Restoration for many years. I've found them to be exceptionally professional, timely with order processing and shipping correct items ordered. I've never received an incorrect item on an order.