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Automatic Shift Interlock Switch Compatible with 2004-2014 Ford F150 2006-2008 Lincoln Mark LT Transmission Shift Actuator Replaces 609-039 609039 4L3Z-7E096-AA 4L3Z-7E096-AB 4L3Z7E096AADescription Compatible with Vehicle Type Ford F150, Lincoln Mark LT Control Type gear_shift Compatible Devices 2004-2014 Ford F150, 2006-2008 Lincoln Mark LT Smart Home Compatibility Not Smart Home Compatible Model 609-039 Warranty Description 1 Year Manufacturer Part Number 609-039 Unit Count 1.0 Count Number of Items 1 Material Type Plastic Color Black Material Plastic Vehicle Service Type Ford F150, Lincoln Mark LT
Product description Motarithl Transmission Shift Actuator---------Your best choice!!!
- Crafted with automotive-grade durable materials, this Automatic Shift Interlock Switch delivers reliable performance, ensuring precise gear lock/unlock response every time.
- Strictly tested to meet OEM standards, the interlock switch features a corrosion-resistant contact design for long-lasting durability, even in harsh operating for seamless fit and instant engagement—prevents accidental gear shifts and ensures driving safety with zero lag in signal transmission.
- Heavy-duty construction withstands frequent mechanical wear and extreme temperatures, providing stable operation for years without failure.
Replacement Timing for Automatic Shift Interlock Switch
- P-position locked and unable to shift: The gear lever still cannot move out of the parking position after pressing the brake pedal, or requires repeated brake pressing and gear lever shaking to unlock. This is mostly caused by switch contact wear or circuit breakage.
- Lock function failure: The gear lever can be directly shifted from P-position to R, D, or other gears without pressing the brake pedal. The loss of the safety locking function can easily lead to vehicle lurching or rolling accidents.
- Interlocking system malfunction: The key cannot be pulled out from the ignition cylinder after the vehicle is turned off, or the ignition switch fails to power off normally. In some vehicle models, the interlock switch is linked with the ignition system, and such problems will be triggered when the switch is damaged.
- Circuit fault prompt: The on-board diagnostic system (OBD) reports fault codes related to the shift interlock circuit, or it is accompanied by brake light failure (in vehicle models where the two share the same circuit). The switch needs to be inspected, repaired, and replaced.
- Physical aging or damage: The switch housing is cracked, the plug is oxidized and rusted. The internal springs and contacts are naturally aged, and preventive replacement is recommended.
Note
- Inspect Wiring & Connectors Regularly
Inspect for worn wiring, loose or oxidized connectors every 3 months / 5,000 km, and replace damaged wiring promptly.
Avoid direct high-pressure water spray to prevent moisture ingress; wipe dust and oil from the housing with a dry cloth.
- Drive Gently to Reduce Mechanical Impact
Avoid forceful shifter movements, and shift gears only after the vehicle comes to a complete stop to minimize internal mechanical wear.
- Watch for Failure Warning Signs
If shifting delays, unusual noises, or warning lights appear, pull over and inspect immediately to prevent further damage.
Why Choose Our Automatic Shift Interlock Switch?
Designed for automatic transmission vehicles, our premium automatic shift interlock switch is a critical safety component that prevents gear lever misoperation. It strictly locks the gear in P (Park) position until the brake pedal is pressed, eliminating risks of vehicle lurching or rolling—protecting you, your passengers, and your vehicle from avoidable accidents.
Durable material Precise fit Easy installation Compatible with
- 2004-2014 Ford F150 v6 4.2l/v8 4.6l-v8 5.4l
Compatible with
- 2006-2008 Lincoln Mark LT v8 5.4l
- Functionality: Locks the gear shift lever when the vehicle is not started or the key is not in a specific position, avoiding hazards caused by incorrect operation.Usually linked with the brake pedal, the switch only unlocks the shift mechanism when the driver depresses the brake, allowing the shift from P (Park) to other gears. This prevents accidental gear shifts and rollaway when the vehicle is not braked
- Compatible With: 2004-2014 Ford F150; 2006-2008 Lincoln Mark LT Please make sure that this accessory is suitable for your vehicle
- OE Number: 609-039 609039 4L3Z-7E096-AA 4L3Z-7E096-AB 7L3Z-7E096-A 4L3Z7E096AA 4L3Z7E096AB 7L3Z7E096A TSB 05-06-10 Please check the part numbers whether it suits your vehicle before purchasing
- Higher Quality：Crafted from high strength, wear resistant alloys and heat resistant materials, this switch undergoes precision machining to achieve micron level tolerance control ensuring zero latency response when linked with the brake pedal, and precisely unlocking the shift mechanism only when safety conditions are met. Validated through thousands of cycle durability tests and extreme environment trials, it resists long term moisture and automotive fluid corrosion.
- Timely replacement: Timely replacement of the Automatic Shift Interlock Switch is crucial to ensuring the safety of vehicle gear shifting and the stability of the transmission system. It can quickly restore the shift safety restriction function, ensuring that the shift mechanism unlocks only when safety conditions are met, thus avoiding driving risks caused by component failure, extending the service life of the transmission system, and making driving safer and more worry-free
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