Ignition Starter Switch Assembly

Reliable Electrical Control for Ford, Lincoln, and Mercury Vehicles

Restore the electrical heart of your vehicle's starting system with this Premium Ignition Starter Switch. This component is the electrical switch responsible for distributing power to the starter motor, fuel system, and cabin electronics. Over time, the internal contact points can become pitted or burned due to high-current loads, leading to common symptoms such as a "no-start" condition, intermittent stalling, or power loss to the dashboard while driving.

Engineered to meet or exceed factory specifications, this switch provides precise engagement in every key position. It features high-conductivity terminals to minimize voltage drop and an impact-resistant housing designed to withstand the mechanical stress of thousands of ignition cycles.

Fitment Verification and Vehicle Applications

This ignition switch is a direct-fit replacement for the following models:

• Ford Crown Victoria: 2005, 2006, 2007, 2008, 2009, 2010, 2011.

• Ford Expedition: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014.

• Ford F-150 Truck: 2009, 2010.

• Ford F-250 / F-350 / F-450 / F-550 Super Duty: 2008, 2009, 2010.

• Lincoln Navigator: 2007, 2008, 2009, 2010, 2011, 2012, 2013.

• Lincoln Town Car: 2005, 2006, 2007, 2008, 2009, 2010, 2011.

• Mercury Grand Marquis: 2005, 2006, 2007, 2008, 2009, 2010, 2011.

Fitment Note: This is the Electrical Switch only. It is designed to mount to the steering column behind the mechanical lock cylinder. It does not include the lock cylinder or the physical keys.

Technical Specifications and Attributes

• Terminal Type: Multi-pin male blade terminals for a secure electrical connection.

• Housing Material: High-grade reinforced polymer.

• Contact Material: Copper alloy for superior conductivity.

• Operation: Rotary switch design (Standard Keyed Ignition).

• Grade Type: Standard Replacement.

What’s in the Box

• (1) Ignition Starter Switch Assembly

Industry Cross-Reference Numbers

• Ford / Motorcraft: 5W1Z11572AA, SW6160

• Standard Motor Products: US569, US-569

• ACDelco: 19145711, F1477A

• Duralast: LS1435, IGNB10361

• BWD: CS909

• Airtex / Wells: 1S9238, LS1435

Installation and Technical Tips

• Safety Protocol: Always disconnect the negative battery cable before performing any work on the steering column. This prevents accidental short circuits and ensures the airbag system remains inactive during the repair.

• Steering Column Access: Accessing this switch typically requires removing the plastic upper and lower steering column shrouds. Use plastic trim removal tools to avoid marring the interior plastic surfaces.

• Alignment Check: When sliding the new switch onto the steering column, ensure the drive slot on the switch is perfectly aligned with the tailpiece of the ignition lock cylinder. If the alignment is off, the key will feel jammed or the electrical positions will not correspond to the mechanical stops.

• Terminal Inspection: Before plugging in the harness, inspect your vehicle's factory connector for any signs of heat damage or melting. If the original switch failed due to internal resistance, it may have damaged the plastic connector, which would require a new pigtail for a reliable repair.