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Standard Ignition HS-348 A/C Selector SwitchOE Quality 60-Day Returns
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Part #: HS-348

Standard Ignition HS-348 A/C Selector Switch

⚙️ 171 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, Express 1500, Express 2500, Express 3500, Savana 1500, Savana 2500, Savana 3500, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Silverado 1500, Silverado 2500, Suburban 1500, Tahoe, Sierra 1500, Yukon, G30, Blazer, and S10 Blazer
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Overview of Standard Ignition A/C Selector Switch HS-348

The Standard Ignition A/C Selector Switch HS-348 is designed for reliable HVAC control in select Chevrolet and GMC vehicles. This switch features a female connector and male blade terminals, ensuring secure and efficient electrical connections for your vehicle's air conditioning system.

  • Connector Gender: Female for easy plug-in installation
  • Terminal Gender: Male blade terminals for durable contact
  • Terminal Type: Blade terminals compatible with factory wiring
  • Compatible with multiple Chevrolet and GMC models including Blazer, Silverado, Tahoe, and Yukon
  • Part Number: HS-348 for precise identification and fitment

Detailed Product Description

The HS-348 A/C Selector Switch by Standard Ignition is engineered to meet OEM specifications for HVAC instrument panel applications. Its female connector design allows for a straightforward connection to the vehicle’s wiring harness, while the male blade terminals provide a reliable electrical interface. This part is specifically compatible with a range of Chevrolet and GMC trucks and SUVs such as the Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, and GMC Yukon, among others. The blade terminal type ensures a secure fit that resists corrosion and wear, maintaining consistent performance over time.

Common Applications and Issues Addressed

  • Restores proper A/C selector functionality in Chevrolet Blazer and GMC Sierra 1500
  • Resolves intermittent or non-responsive HVAC selector switch problems
  • Eliminates electrical connection issues caused by worn or damaged terminals
  • Replaces faulty switches in Chevrolet Suburban 1500 and GMC Savana models
  • Improves climate control responsiveness in GMC K1500 and Chevrolet C1500 trucks

Installation Notes and Tips

  • Ensure the vehicle ignition is off before beginning installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify connector orientation matches the female connector on the switch
  • Carefully align blade terminals to avoid bending or damage
  • Test the A/C selector switch operation before reassembling the instrument panel

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for your HVAC system. The HS-348 A/C Selector Switch undergoes rigorous quality control to ensure durability and fitment accuracy. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberHS-348
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 171 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000ChevroletExpress 1500N/A
2000ChevroletExpress 2500N/A
2000ChevroletExpress 3500N/A
2000GMCSavana 1500N/A
2000GMCSavana 2500N/A
2000GMCSavana 3500N/A
1999ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletC1500 SuburbanN/Aw/ Rotary Switch
1999ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletC2500 SuburbanN/Aw/ Rotary Switch
1999ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletExpress 1500N/A
1999ChevroletExpress 2500N/A
1999ChevroletExpress 3500N/A
1999ChevroletK1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletK1500 SuburbanN/A
1999ChevroletK2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletK2500 SuburbanN/A
1999ChevroletK3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletSilverado 1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletSilverado 2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999ChevroletSuburban 15005.7LV8N/Aw/ AC and Auxiliary Heater
1999ChevroletTahoeN/A
1999GMCC1500 SuburbanN/A
1999GMCC2500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1999GMCC2500 Suburban6.5LV8N/Aw/ AC and Auxiliary Heater
1999GMCC2500 Suburban7.4LV8N/Aw/ AC and Auxiliary Heater
1999GMCK1500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1999GMCK1500 Suburban6.5LV8N/Aw/ AC and Auxiliary Heater
1999GMCK2500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1999GMCK2500 Suburban6.5LV8N/Aw/ AC and Auxiliary Heater
1999GMCK2500 Suburban7.4LV8N/Aw/ AC and Auxiliary Heater
1999GMCSavana 1500N/A
1999GMCSavana 2500N/A
1999GMCSavana 3500N/A
1999GMCSierra 1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1999GMCYukonN/A
1998ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletC1500 SuburbanN/Aw/ Rotary Switch
1998ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletC2500 SuburbanN/Aw/ Rotary Switch
1998ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletExpress 1500N/A
1998ChevroletExpress 2500N/A
1998ChevroletExpress 3500N/A
1998ChevroletK1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletK1500 SuburbanN/A
1998ChevroletK2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletK2500 SuburbanN/A
1998ChevroletK3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1998ChevroletSuburban 15005.7LV8N/Aw/ AC and Auxiliary Heater
1998ChevroletTahoeN/A
1998GMCC1500 SuburbanN/A
1998GMCC2500 SuburbanN/A
1998GMCK1500 SuburbanN/A
1998GMCK2500 SuburbanN/A
1998GMCSavana 1500N/A
1998GMCSavana 2500N/A
1998GMCSavana 3500N/A
1998GMCYukonN/A
1997ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletC1500 SuburbanN/Aw/ Rotary Switch
1997ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletC2500 SuburbanN/Aw/ Rotary Switch
1997ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletExpress 1500N/A
1997ChevroletExpress 2500N/A
1997ChevroletExpress 3500N/A
1997ChevroletK1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletK1500 SuburbanN/A
1997ChevroletK2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletK2500 SuburbanN/A
1997ChevroletK3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1997ChevroletSuburban 15005.7LV8N/Aw/ AC and Auxiliary Heater
1997ChevroletTahoeN/A
1997GMCC1500 SuburbanN/A
1997GMCC2500 SuburbanN/A
1997GMCK1500 SuburbanN/A
1997GMCK2500 SuburbanN/A
1997GMCSavana 1500N/A
1997GMCSavana 2500N/A
1997GMCSavana 3500N/A
1997GMCYukonN/A
1996ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1996ChevroletC1500 SuburbanN/Aw/ Rotary Switch
1996ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1996ChevroletC2500 SuburbanN/Aw/ Rotary Switch
1996ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1996ChevroletExpress 1500N/A
1996ChevroletExpress 2500N/A
1996ChevroletExpress 3500N/A
1996ChevroletG30N/Aw/ AC and Heater; Rear
1996ChevroletK1500N/A
1996ChevroletK1500 SuburbanN/A
1996ChevroletK2500N/A
1996ChevroletK2500 SuburbanN/A
1996ChevroletK3500N/A
1996ChevroletSuburban 15005.7LV8N/Aw/ AC and Auxiliary Heater
1996ChevroletTahoeN/A
1996GMCC1500 SuburbanN/A
1996GMCC2500 SuburbanN/A
1996GMCK1500 SuburbanN/A
1996GMCK2500 SuburbanN/A
1996GMCYukonN/A
1995ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1995ChevroletC1500 SuburbanN/A
1995ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1995ChevroletC2500 SuburbanN/A
1995ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1995ChevroletK1500N/A
1995ChevroletK1500 SuburbanN/A
1995ChevroletK2500N/A
1995ChevroletK2500 SuburbanN/A
1995ChevroletK3500N/A
1995ChevroletSuburban 15005.7LV8N/Aw/ AC and Auxiliary Heater
1995ChevroletTahoeN/A
1995GMCC1500 SuburbanN/A
1995GMCC2500 SuburbanN/A
1995GMCK1500 SuburbanN/A
1995GMCK2500 SuburbanN/A
1995GMCYukonN/A
1994ChevroletBlazerN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1994ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1994ChevroletC1500 SuburbanN/A
1994ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1994ChevroletC2500 SuburbanN/A
1994ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1994ChevroletK1500N/A
1994ChevroletK1500 SuburbanN/A
1994ChevroletK2500N/A
1994ChevroletK2500 SuburbanN/A
1994ChevroletK3500N/A
1994ChevroletS10 BlazerN/Aw/ AC and Heater; Rear
1994GMCC1500 SuburbanN/A
1994GMCC2500 SuburbanN/A
1994GMCK1500 SuburbanN/A
1994GMCK2500 SuburbanN/A
1993ChevroletBlazerN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1993ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1993ChevroletC1500 SuburbanN/A
1993ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1993ChevroletC2500 SuburbanN/A
1993ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1993ChevroletK1500N/A
1993ChevroletK1500 SuburbanN/A
1993ChevroletK2500N/A
1993ChevroletK2500 SuburbanN/A
1993ChevroletK3500N/A
1993ChevroletS10 BlazerN/Aw/ AC and Heater; Rear
1993GMCC1500 SuburbanN/A
1993GMCC2500 SuburbanN/A
1993GMCK1500 SuburbanN/A
1993GMCK2500 SuburbanN/A
1992ChevroletBlazerN/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1992ChevroletC1500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1992ChevroletC1500 SuburbanN/A
1992ChevroletC2500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1992ChevroletC2500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1992ChevroletC2500 Suburban7.4LV8N/Aw/ AC and Auxiliary Heater
1992ChevroletC3500N/ARear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
1992ChevroletK1500N/A
1992ChevroletK1500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1992ChevroletK2500N/A
1992ChevroletK2500 Suburban5.7LV8N/Aw/ AC and Auxiliary Heater
1992ChevroletK2500 Suburban7.4LV8N/Aw/ AC and Auxiliary Heater
1992ChevroletK3500N/A
1992ChevroletS10 BlazerN/Aw/ AC and Heater; Rear
1992GMCC1500 SuburbanN/A
1992GMCC2500 SuburbanN/A
1992GMCK1500 SuburbanN/A
1992GMCK2500 SuburbanN/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:

15-72055161545981S1008353-12307HS325SW7476

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

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