Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1998MOUNTAINEER 5.0 P, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 51 (COMPUTER RELEARN PROCEDURES)COMPUTER RELEARN PROCEDURESSABLE & TAURUSREMOTE TRANSMITTER
1998 Mercury Mountaineer 5.0 P, AWD
Remote Transmitter
1998 Mercury Mountaineer 5.0 P, AWDSECTION Remote Transmitter
WARNING: This page does not describe the selected car, but rather 26 other vehicles, including the 1999 Mercury Villager, 1999 Mercury Tracer, 1999 Mercury Sable, 1999 Mercury Mystique, and 1999 Mercury Mountaineer. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure anti-theft system is not armed. Turn ignition switch from LOCK to RUN position 8 times within 10 seconds ending in RUN position. The system will indicate entry into program mode by locking and unlocking all doors.
- Press any button on remote transmitter within 20 seconds. Doors will lock and unlock to confirm transmitter has been programmed. Repeat procedure to program additional transmitters.
- Turn ignition switch to LOCK position to exit program mode. If a new set of transmitters have been programed, RAP module will lock and unlock all doors one last time to confirm programing was successful. If system does not program successfully, repeat procedure. If system will not program, repair remote keyless entry system as necessary. See appropriate wiring diagram in REMOTE KEYLESS ENTRY SYSTEMS article in ACCESSORIES & EQUIPMENT.
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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.