Standard Ignition PCS105 A/C Compressor Cut-Out Switch

OE-Style A/C Low Pressure Cut-Out Switch

Standard Ignition PCS105 is a direct-fit A/C compressor cut-off switch for vehicles that need accurate low-pressure control in the HVAC system. It is built with aluminum and plastic materials, a female connector, and a 2-pin terminal layout for straightforward replacement service.

Compatible With 2002-2005 Ford Taurus and 2002-2004 Mercury Sable applications, this PCS105 switch supports OE-style fitment for common low-pressure A/C circuit repairs.

Key Features

• Direct-fit OE replacement for the A/C low pressure cut-out switch
• Black, gray, and yellow housing colors
• Female connector with 2-pin terminal type
• Aluminum and plastic finish for underhood use
• Extensively tested for reliability during manufacturing
• Standard Ignition PCS105 for HVAC switch replacement

Detailed Description

The Standard Ignition PCS105 A/C compressor cut-off switch is engineered to replace the original low-pressure switch used in the air conditioning circuit. It helps maintain proper compressor operation by responding to low-pressure conditions in the system. For Ford Taurus and Mercury Sable owners, this part number PCS105 offers a direct-fit solution that matches the OE-style connector and terminal configuration.

This part cross-references AP Exhaust 20056 for the same application.

Common Repair Symptoms

• A/C compressor cycling off due to low-pressure switch failure
• No compressor engagement when the HVAC system is commanded on
• Intermittent air conditioning operation in Ford Taurus or Mercury Sable models
• Faulty low-pressure circuit readings affecting compressor control
• Replacement needed after switch wear, corrosion, or electrical failure

Installation Notes and Tips

• Verify the connector style, terminal count, and switch location before installation.
• Confirm vehicle application by year and note details: 2005 Ford Taurus to 8/04, 2002-2004 Ford Taurus, and 2002-2004 Mercury Sable.
• Inspect the A/C system for pressure-related faults before replacing the switch.
• Use proper HVAC service procedures when opening or servicing the refrigerant circuit.

Quality Assurance

Standard Ignition states that this switch is manufactured with quality control maintained throughout the production process and is tested for reliability under demanding conditions.