HomeElectrical, Lighting and Body > SwitchesStandard Ignition PSW27 Seat Lumbar Switch
Part #: PSW27

Standard Ignition PSW27 Seat Lumbar Switch

⚙️ 68 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Mercury, and Lincoln, Crown Victoria, Grand Marquis, Explorer, Mountaineer, Explorer Sport Trac, Blackwood, Cougar, and Contour
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Overview of Standard Ignition PSW27 Seat Lumbar Switch

The Standard Ignition PSW27 seat lumbar switch is designed for reliable operation in select Ford, Lincoln, and Mercury vehicles. This switch features a female connector and five male blade terminals, ensuring secure electrical connections for seat lumbar adjustments.

  • Connector Gender: Female
  • Terminal Gender: Male
  • Terminal Quantity: 5
  • Terminal Type: 5 blade terminals
  • Compatible with Ford, Lincoln, and Mercury models

Technical Details and Compatibility

The PSW27 seat lumbar switch is engineered to meet OEM specifications for seat comfort controls. It includes five male blade terminals that provide a stable and durable connection, paired with a female connector for easy integration. This part is compatible with various Ford, Lincoln, and Mercury vehicles, including the Blackwood, Contour, Cougar, Crown Victoria, Explorer, Explorer Sport Trac, Grand Marquis, and Mountaineer models. The design supports precise lumbar support adjustments, contributing to driver and passenger comfort.

Applications and Problem Resolution

This seat lumbar switch is used to control the lumbar support mechanism in vehicle seats. It addresses common issues such as:

  • Non-responsive lumbar adjustment controls
  • Intermittent or faulty seat lumbar movement
  • Electrical connection failures in seat switches
  • Wear and tear from prolonged use
  • Replacement for damaged or broken seat lumbar switches

Installation Notes and Tips

When installing the PSW27 seat lumbar switch, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the connector gender and terminal configuration match the vehicle’s wiring harness. Carefully align the five blade terminals to avoid bending or damage. Test the switch operation before reassembling the seat panel to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The PSW27 seat lumbar switch undergoes rigorous quality control to ensure consistent operation. Warranty coverage details should be confirmed with the parts provider, as Standard Ignition typically offers limited warranties against defects in material and workmanship.

BrandStandard Ignition
Part NumberPSW27
Connector GenderFemale
Terminal GenderMale
Terminal Type5 Blade Terminals

This part fits 68 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2011FordCrown VictoriaN/A
2011MercuryGrand MarquisN/A
2010FordCrown VictoriaN/A
2010MercuryGrand MarquisN/A
2009FordCrown VictoriaN/A
2009MercuryGrand MarquisN/A
2008FordCrown VictoriaN/A
2008FordExplorerN/A
2008MercuryGrand MarquisN/A
2007FordCrown VictoriaN/A
2007FordExplorerN/A
2007MercuryGrand MarquisN/A
2006FordCrown VictoriaN/A
2006FordExplorerN/A
2006MercuryGrand MarquisN/A
2006MercuryMountaineerN/A
2005FordCrown VictoriaN/A
2005FordExplorerN/AFits both left and right side seat lumbar switches.
2005FordExplorer Sport TracXLSN/Aw/ Overhead Console Heater and AC
2005FordExplorer Sport TracXLTN/ATo 3/4/02; Front Right
2005FordExplorer Sport TracXLSN/ATo 3/4/02; Front Left
2005FordExplorer Sport TracXLTN/Aw/ Overhead Console Heater and AC
2005FordExplorer Sport TracXLTN/ATo 3/4/02; Front Left
2005FordExplorer Sport TracXLSN/ATo 3/4/02; Front Right
2005MercuryGrand MarquisN/A
2005MercuryMountaineerN/A
2005MercuryMountaineerN/Aw/ Overhead Console Heater and AC
2004FordCrown VictoriaN/A
2004FordExplorerN/A
2004FordExplorer Sport TracXLSN/ATo 3/4/02; Front Left
2004FordExplorer Sport TracXLTN/ATo 3/4/02; Front Right
2004FordExplorer Sport TracXLTN/ATo 3/4/02; Front Left
2004FordExplorer Sport TracXLTN/Aw/ Overhead Console Heater and AC
2004FordExplorer Sport TracXLSN/ATo 3/4/02; Front Right
2004FordExplorer Sport TracXLSN/Aw/ Overhead Console Heater and AC
2004MercuryGrand MarquisN/A
2004MercuryMountaineerN/A
2004MercuryMountaineerN/Aw/ Overhead Console Heater and AC
2003FordCrown VictoriaN/A
2003FordExplorerN/AFits both left and right side seat lumbar switches.
2003MercuryGrand MarquisN/A
2003MercuryMountaineerN/A
2003MercuryMountaineerN/Aw/ Overhead Console Heater and AC
2002FordCrown VictoriaN/A
2002FordExplorerN/ATo 3/4/02; Front Left
2002FordExplorerN/ATo 3/4/02; Front Right
2002LincolnBlackwoodN/A
2002MercuryCougarN/APower seat switch, front left position
2002MercuryGrand MarquisN/A
2002MercuryMountaineerN/ATo 3/4/02
2002MercuryMountaineerN/Aw/ Overhead Console Heater and AC
2001FordCrown VictoriaN/A
2001MercuryCougarN/APower seat switch, front left position
2001MercuryGrand MarquisN/A
2000FordContourN/A
2000FordExplorerN/A
2000MercuryCougarN/APower seat switch, front left position
1999FordContourN/A
1999FordExplorerN/A
1999MercuryCougarN/APower seat switch, front left position
1998FordContourN/A
1998FordExplorerN/A
1997FordContourN/A
1997FordExplorerN/A
1996FordContourN/A
1996FordExplorerN/A
1995FordContourN/A
1995FordExplorerN/A

* 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:

1S908253-438777W1Z15B679APA1323STW27SW6547

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