HomeStandard Ignition PSW123 Seat Lumbar Switch
Part #: PSW123

Standard Ignition PSW123 Seat Lumbar Switch

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lincoln, LS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Seat Lumbar Switch for Lincoln LS

The Standard Ignition PSW123 seat lumbar switch is designed specifically for Lincoln LS models, providing precise control over lumbar support adjustments. Engineered with durable materials and a female connector, this switch ensures consistent performance and compatibility with your vehicle's electrical system.

Key Features of the Standard Ignition PSW123 Seat Lumbar Switch

  • Compatible with Lincoln LS seat lumbar systems
  • Female connector for secure and reliable connection
  • Four male blade terminals for efficient electrical contact
  • Terminal quantity: 4, designed for seamless integration
  • Durable construction to withstand regular use

Detailed Product Description

The PSW123 seat lumbar switch from Standard Ignition is engineered to meet the specific electrical and mechanical requirements of the Lincoln LS. Featuring a female connector and four male blade terminals, this switch facilitates a stable and secure connection within the vehicle’s seat control system. The four blade terminals ensure proper electrical conductivity and responsiveness, allowing for smooth lumbar support adjustments. This part is designed to replace faulty or worn-out lumbar switches, restoring comfort and functionality to your Lincoln LS seating.

Common Applications and Issues Addressed

  • Restores lumbar support control in Lincoln LS seats
  • Replaces malfunctioning or unresponsive lumbar switches
  • Fixes intermittent electrical connection problems in seat controls
  • Addresses issues with lumbar adjustment buttons not responding
  • Improves overall seat comfort and driver ergonomics

Installation Notes and Tips

When installing the PSW123 seat lumbar switch, ensure the female connector aligns properly with the vehicle’s wiring harness. Verify that all four male blade terminals are securely connected to prevent electrical faults. It is recommended to disconnect the vehicle battery before installation to avoid electrical shorts. Proper handling of the terminals during installation will help maintain the switch’s longevity and performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The PSW123 seat lumbar switch undergoes rigorous quality control to maintain consistent performance. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberPSW123
Connector GenderFemale
Terminal GenderMale
Terminal Quantity4
Terminal Type4 blade terminals

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2006LincolnLSN/AFront right power seat switch
2006LincolnLSN/APower seat switch, front left position
2005LincolnLSN/APower seat switch, front left position
2005LincolnLSN/AFront right power seat switch
2004LincolnLSN/AFront right power seat switch
2004LincolnLSN/APower seat switch, front left position
2003LincolnLSN/AFront right power seat switch
2003LincolnLSN/APower seat switch, front left position

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S91081W4Z14C715AA53-43897PA2735STW123SW6573

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.