Turn the switch to on, then under the steering column cover below the switch is a hole. You push a pin in to release the switch. You'll have to fish around to get the spot where the pin is. Or take the bottom cover off to see it better.
Why ? Just replace it.
It's located on the steering column 2 screws unplug the harnest
it is on the firewall and difficult but not impossible to get to and replace.
on a 1997 Mercury Grand Marquis kill switch be activated by a rear end collision
The 1986 Mercury Marquis does not have a fuel cutoff switch. The fuel pump does have a fuse, of which could render it as nonworking.
check your brake lights if they not worhing replace fuse or brake light switch
Not very hard. You have remove the panel that is under the dash. It should be a big black panel. The switch is on the brake pedal. Remove the two wires to the switch and unscrew it and replace it and reverse the order and you are done.
connected to the turn signal
Begin by removing the retaining ring at the top of your 1996 Mercury Tracer ignition switch. The ignition lock cylinder will slide out. Remove the wiring harness from the end of the cylinder. Reverse the process to install your new ignition lock cylinder.
where you turn on the headlights ... push the button
its in the trunk
How I can replace ignition switch cylinder from Isuzu Rodeo?.