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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.

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11y ago

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How do you remove ignition switch 1986 mercury grand marquis?

To remove the ignition switch from a 1986 Mercury Grand Marquis, first, disconnect the negative battery cable to ensure safety. Then, remove the steering column cover by unscrewing the screws and carefully pulling it apart. Next, locate the ignition switch attached to the ignition lock cylinder; disconnect the wiring harness and remove the mounting screws. Finally, pull the ignition switch out to complete the removal process.


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