WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1993 Mercury Sable, 1993 Mercury Grand Marquis, 1993 Mercury Cougar, 1993 Lincoln Mark VIII, and 1993 Lincoln Continental. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition on. Press trunk release switch in glove box. If trunk unlocks, go to next step. If trunk does not unlock, go to step 3). If trunk is always unlocked, go to step 5).
Disconnect control module connector J1. Check for continuity between pins No. 9 and 22 of connector J1 and trunk release solenoid. If continuity exists, replace control module. If no continuity exists, repair Purple/Yellow wire.
Check trunk release solenoid. If solenoid is okay, go to next step. If solenoid is not operational, replace solenoid.
Check fuse No. 6. Replace fuse if necessary. If fuse is okay, repair open or short in Purple/Yellow wire.
Disconnect module connector J1. If trunk locks, replace control module. If trunk does not lock, go to next step.
Disconnect trunk release switch in glove box. Disconnect control module connector. If trunk locks, replace trunk release switch. If trunk does not lock, repair short in Purple/Yellow wire.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Trunk Unlock

Use the Manual With the Right Hardware

When to See a Mechanic

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