HomeHVAC > SwitchesStandard Ignition PCS105 A/C Compressor Cut-Out Switch
Part #: PCS105

Standard Ignition PCS105 A/C Compressor Cut-Out Switch

⚙️ 14 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: Ford and Mercury, Taurus and Sable
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Reliable A/C Compressor Cut-Off Switch for Ford and Mercury Vehicles

The Standard Ignition PCS105 A/C compressor cut-off switch is designed to maintain proper air conditioning system function in select Ford and Mercury models. Engineered with durable materials and precise connectors, this switch helps regulate compressor operation to protect your vehicle’s HVAC system.

Key Features of the PCS105 A/C Compressor Cut-Off Switch

  • Compatible with Ford Taurus and Mercury Sable models
  • Connector gender: Female for secure electrical connection
  • Two-pin terminal type for reliable signal transmission
  • Constructed with aluminum and plastic for durability and corrosion resistance
  • Color-coded in black, gray, and yellow for easy identification

Detailed Product Description

The Standard Ignition PCS105 is an A/C compressor cut-off switch designed to interrupt compressor operation under specific conditions, preventing damage to the HVAC system. Featuring a female connector with two pin terminals, this switch ensures a stable and secure electrical connection. The combination of aluminum and plastic materials provides a balance of strength and resistance to environmental factors. Its color scheme of black, gray, and yellow assists in proper installation and maintenance. This part is specifically engineered for use in Ford Taurus and Mercury Sable vehicles, ensuring compatibility and optimal performance.

Common Applications and Issues Addressed

  • Prevents compressor engagement when system pressure is too low or high
  • Protects the A/C compressor from electrical faults or overheating
  • Helps maintain consistent air conditioning performance in Ford Taurus and Mercury Sable
  • Resolves intermittent compressor operation or failure to engage
  • Addresses HVAC system shutdowns related to compressor cut-off switch malfunction

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation to avoid electrical hazards
  • Verify connector orientation and terminal alignment for proper fit
  • Inspect wiring harness for damage or corrosion prior to installation
  • Use manufacturer-recommended tools to avoid damaging terminals or connectors
  • Test the A/C system after installation to confirm correct operation

Quality Assurance and Warranty Information

Standard Ignition parts undergo rigorous quality control to meet OEM specifications. The PCS105 switch is manufactured to provide reliable performance and durability in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or supplier, ensuring peace of mind with your replacement part.

BrandStandard Ignition
Part NumberPCS105
ColorBlack, Gray, Yellow
Connector GenderFemale
FinishAluminum, Plastic
Terminal TypePin

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2005FordTaurusN/ATo 8/04
2005FordTaurusN/ATo 8/04; Low Pressure
2004FordTaurusN/A
2004FordTaurusN/AFuel Pressure Sensor - Low Pressure
2004MercurySableN/A
2004MercurySableN/AFuel Pressure Sensor - Low Pressure
2003FordTaurusN/A
2003FordTaurusN/AFuel Pressure Sensor - Low Pressure
2003MercurySableN/A
2003MercurySableN/AFuel Pressure Sensor - Low Pressure
2002FordTaurusN/A
2002FordTaurusN/AFuel Pressure Sensor - Low Pressure
2002MercurySableN/A
2002MercurySableN/AFuel Pressure Sensor - Low Pressure

* 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:

1S89172005653-10712CCS405MT1314RPS605SW6382YC1Z19E561BAYH1587

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