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 MANUALSFORD1999WINDSTAR BASE, VAN CARGO, 3.8 4REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSANTI-THEFT SYSTEMS - PASSIVEPROGRAMMINGPROGRAMMING SPARE KEY(S) WITH TWO PROGRAMMED KEYS
1999 Ford Windstar Base, Van Cargo, 3.8 4
Programming Spare Key(S) With Two Programmed Keys
1999 Ford Windstar Base, Van Cargo, 3.8 4SECTION Programming Spare Key(S) With Two Programmed Keys
NOTE:
This procedure will only work if 2 or more programmed ignition keys are available and there is a need to program additional keys. If 2 keys are not available, perform PROGRAMMING TWO KEYS/ERASE ALL KEY CODES
. Instrument cluster PID SPARE_KY must be enabled for this procedure to operate. To enable this PID, perform SPARE KEY PROGRAMMING SWITCH
and enable spare key programming switch. If programming procedure is successful, new key(s) will start vehicle and THEFT indicator will illuminate for 3 seconds. If programming procedure is not successful, new key(s) will not start vehicle and THEFT indicator will flash for one minute (after flashing for one minute, THEFT indicator will flash fault code). If necessary, repeat programming procedure. If programming of key(s) is still unsuccessful, perform self-diagnostics. See SELF-DIAGNOSTIC SYSTEM
. Maximum of 8 keys can be programmed into system. If procedure is not performed as outlined, programming procedure will end. Ignition keys must have correct mechanical key cut for vehicle and must be an encoded key.
- Insert the first programmed ignition key into ignition lock cylinder. Turn ignition switch from OFF to RUN position (ignition switch must stay in RUN position for one second). Turn ignition switch to OFF position and remove ignition key from ignition lock cylinder.
- Within 5 seconds of turning ignition switch to OFF position, insert second programmed ignition key into ignition lock cylinder. Turn ignition switch from OFF to RUN position (ignition switch must stay in RUN position for one second). Turn ignition switch to OFF position and remove second ignition key from ignition lock cylinder.
- Within 5 seconds of turning ignition switch to OFF position, insert a NEW unprogrammed ignition key into ignition lock cylinder. Turn ignition switch from OFF to RUN position (ignition switch must stay in RUN position for one second). Turn ignition switch to OFF position and remove ignition key from ignition lock cylinder. The NEW ignition key should now be programmed. To program additional key(s), repeat key programming procedure from step 1 .
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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.