Larlansz Power Seat Control Switch Driver Side Instruction Manual (Model 9L3Z14A701FB)

1. Introduction

This manual provides essential information for the installation, operation, and maintenance of your Larlansz Power Seat Control Switch, Model 9L3Z14A701FB. This component is designed as a direct replacement for the original driver side power seat switch in compatible vehicles, restoring proper seat adjustment functionality.

The power seat control switch allows for the electronic adjustment of the driver's seat position. If your vehicle's power seat is experiencing issues such as being stuck or not moving, replacing the seat switch can often resolve these problems.

Compatibility:

This power seat control switch is compatible with various Ford, Lincoln, and Mercury vehicle models. Please verify your vehicle's specific year and model against the list below to ensure compatibility:

Ford:

2013-2018 Ford C-Max/Escape
2007-2014 Ford Edge
2007-2017 Ford Expedition/Navigator
2006-2015 Ford Explorer
2007-2010 Ford Explorer Sport Trac
2009-2014 Ford F150
2009-2019 Ford F250/F350/F450/F550/Flex
2006-2012 Ford Fusion
2010-2018 Ford Taurus

Lincoln:

2013-2019 Lincoln Police Interceptor Sedan/ MKT
2010-2014 Lincoln Mark LT
2007-2015 Lincoln MKX
2007-2012 Lincoln MKZ
2006 Lincoln Zephyr

Mercury:

2006-2011 Mercury Milan
2006-2010 Mercury Mountaineer

Replacement Part Numbers: 9L3T-14B709-FAW, 9L3Z14A701FB

2. Setup and Installation

Installation of the power seat control switch typically involves removing the old switch and connecting the new one. It is recommended that this procedure be performed by an individual with experience in automotive electrical systems or by a qualified technician. Always ensure the vehicle's battery is disconnected before beginning any electrical work.

Required Tools (May Vary):

Screwdriver set (Phillips and flathead)
Trim removal tools (plastic pry tools)
Socket wrench set (for seat mounting bolts, if necessary)
Battery terminal wrench

Installation Steps (General Guide):

Safety First: Park the vehicle on a level surface, engage the parking brake, and turn off the ignition. Disconnect the negative terminal of the vehicle's battery to prevent electrical shorts.
Access the Switch: Depending on your vehicle model, you may need to remove plastic trim panels around the seat base or partially unbolt the seat to gain access to the existing power seat switch. Use trim removal tools to avoid damaging interior components.
Disconnect Old Switch: Carefully disconnect the electrical connector(s) from the old switch. There may be clips or tabs that need to be pressed to release the connector.
Remove Old Switch: Unclip or unscrew the old power seat switch from its housing. Note its orientation for correct installation of the new switch.
Install New Switch: Insert the new Larlansz power seat control switch into the housing, ensuring it clicks securely into place.
Connect Electrical: Reconnect the electrical connector(s) to the new switch. Ensure a firm connection.
Reassemble: Reinstall any trim panels or seat bolts that were removed.
Reconnect Battery: Reconnect the negative terminal of the vehicle's battery.
Test Functionality: Turn on the ignition and test all functions of the power seat to ensure the new switch operates correctly.

Larlansz Power Seat Control Switch with an inset image of it installed in a vehicle seat.

Figure 1: Larlansz Power Seat Control Switch. The main image displays the switch unit, while a smaller inset shows the switch integrated into a vehicle's driver seat, indicating its typical installed appearance and location.

Larlansz Power Seat Control Switch showing the 10-pin electrical connector.

Figure 2: Rear view of the Larlansz Power Seat Control Switch, clearly showing the 10-pin electrical connector. This view is crucial for verifying the correct connection during installation.

3. Operating Instructions

The Larlansz Power Seat Control Switch operates identically to the original equipment manufacturer (OEM) switch. It provides intuitive control over various seat adjustments.

Seat Adjustment Functions:

Forward/Backward: Push the main control lever forward or backward to move the entire seat assembly forward or backward.
Up/Down: Push the main control lever up or down to raise or lower the entire seat assembly.
Tilt (Front/Rear): Push the front or rear of the main control lever up or down to adjust the seat cushion's tilt angle.
Recline: Push the smaller, separate lever (often located towards the rear of the switch) backward or forward to recline or bring the seat back upright.
Lumbar Support (if applicable): Some vehicles may have additional buttons or levers for lumbar support adjustment. Refer to your vehicle's owner's manual for specific controls.

Always make seat adjustments while the vehicle is stationary and in a safe position to avoid distraction while driving.

4. Maintenance

The Larlansz Power Seat Control Switch is designed for durability and requires minimal maintenance. Regular cleaning and inspection are recommended.

General Maintenance Tips:

Cleaning: Use a soft, damp cloth to wipe the surface of the switch. Avoid using harsh chemicals or abrasive cleaners, as these can damage the plastic finish or internal components.
Inspection: Periodically check the switch for any signs of physical damage, loose connections, or unusual resistance when operating.
Avoid Spills: Prevent liquids from spilling onto the switch, as moisture can cause electrical malfunctions.

5. Troubleshooting

If you experience issues with your power seat after installing the Larlansz Power Seat Control Switch, refer to the following troubleshooting guide:

Problem	Possible Cause	Solution
Seat does not move in any direction.	Loose electrical connection. Blown fuse for the power seat circuit. Faulty seat motor.	Check that the switch's electrical connector is fully seated. Inspect the vehicle's fuse box for a blown power seat fuse and replace if necessary (refer to vehicle owner's manual for fuse location and rating). If fuse and connection are good, the issue may be with the seat motor itself, requiring professional diagnosis.
Seat moves in some directions but not others.	Specific contact within the switch is faulty. Issue with a specific seat motor or wiring to that motor.	Ensure the switch is correctly installed and not obstructed. If the switch is new and correctly installed, and only certain functions fail, it may indicate an issue with the seat motor or wiring for that specific function, requiring professional diagnosis.
Switch feels loose or unresponsive.	Improper installation or clips not fully engaged. Internal mechanical failure of the switch.	Re-check the installation to ensure the switch is securely clipped into its housing. If the switch is physically damaged or feels mechanically faulty, it may require replacement.

If these troubleshooting steps do not resolve the issue, it is recommended to consult a qualified automotive technician.

6. Specifications

Feature	Detail
Brand	Larlansz
Model Number	9L3Z14A701FB
Replacement Part Numbers	9L3T-14B709-FAW, 9L3Z14A701FB
Operation Mode	Power
Operating Voltage	12 Volts
Contact Type	Normally Open
Connector Type	Insert
Circuit Type	10-way
Mounting Type	Panel Mount
Contact Material	Metal
Number of Positions	10
Controller Type	10-way power seat adjustment switch
Package Dimensions	8.46 x 3.23 x 2.64 inches
Item Weight	5.29 ounces

Larlansz Power Seat Control Switch with a 19cm measurement indicating its length.

Figure 3: Dimensions of the Larlansz Power Seat Control Switch, showing a length of 19cm. This image provides a visual reference for the physical size of the component.

7. Warranty Information

Specific warranty details for the Larlansz Power Seat Control Switch are not provided within this manual. For information regarding product warranty, please contact the seller or manufacturer directly.

8. Customer Support

Should you have any questions, concerns, or require assistance with your Larlansz Power Seat Control Switch, please do not hesitate to contact our customer support team. We aim to respond to all inquiries within 24 hours to help resolve any issues you may encounter.

Contact information can typically be found on the product packaging or through the retailer where the product was purchased.

Larlansz 9L3Z14A701FB