HomeHVAC > Instrument PanelStandard Ignition HS-348 A/C Selector Switch
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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Standard Ignition HS-348 A/C Selector Switch

Standard Ignition HS-348 is an A/C selector switch built for instrument panel HVAC control applications. It uses copper alloy conductors for strong electrical conductivity and low resistive loss, with a female connector, male blade terminals, and 100% tested switching performance for dependable operation.

Key Features

  • Female connector with male blade terminals for instrument panel HVAC circuits
  • Copper alloy conductors for efficient electrical transfer
  • 100% tested for mechanical and electrical switching performance
  • Robust construction for service replacement use
  • Standard Ignition HS-348 for direct-fit HVAC selector switch applications

Product Details

This A/C selector switch is used in instrument panel HVAC systems where precise mode or function selection is required. Standard Ignition builds the HS-348 with durable materials and validated switching performance to meet technician expectations in service work. It is a practical replacement for Chevrolet Express 1500, Chevrolet Silverado 1500, GMC Savana 2500, and other listed GM truck and van applications across 1992-2000 model years. This part cross-references 16154598 and HS325 for the same application.

Vehicle Fitment

  • Fits 1996-2000 Chevrolet Express 1500, N/A
  • Fits 1996-2000 Chevrolet Express 2500, N/A
  • Fits 1996-2000 Chevrolet Express 3500, N/A
  • Fits 1997-2000 GMC Savana 1500, N/A
  • Fits 1997-2000 GMC Savana 2500, N/A
  • Fits 1997-2000 GMC Savana 3500, N/A
  • Fits 1992-1999 Chevrolet C1500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1996-1999 Chevrolet C1500 Suburban, N/A; w/ Rotary Switch
  • Fits 1992-1999 Chevrolet C2500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1996-1999 Chevrolet C2500 Suburban, N/A; w/ Rotary Switch
  • Fits 1992-1999 Chevrolet C3500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1997-1999 Chevrolet K1500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1993-1999 Chevrolet K1500 Suburban, N/A
  • Fits 1997-1999 Chevrolet K2500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1993-1999 Chevrolet K2500 Suburban, N/A
  • Fits 1997-1999 Chevrolet K3500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1999 Chevrolet Silverado 1500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1999 Chevrolet Silverado 2500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1995-1999 Chevrolet Suburban 1500, N/A; w/ AC and Auxiliary Heater
  • Fits 1995-1999 Chevrolet Tahoe, N/A
  • Fits 1992-1999 GMC C1500 Suburban, N/A
  • Fits 1999 GMC C2500 Suburban, N/A; w/ AC and Auxiliary Heater
  • Fits 1999 GMC K1500 Suburban, N/A; w/ AC and Auxiliary Heater
  • Fits 1999 GMC K2500 Suburban, N/A; w/ AC and Auxiliary Heater
  • Fits 1999 GMC Sierra 1500, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1995-1999 GMC Yukon, N/A
  • Fits 1992-1998 GMC C2500 Suburban, N/A
  • Fits 1992-1998 GMC K1500 Suburban, N/A
  • Fits 1992-1998 GMC K2500 Suburban, N/A
  • Fits 1996 Chevrolet G30, N/A; w/ AC and Heater; Rear
  • Fits 1992-1996 Chevrolet K1500, N/A
  • Fits 1992-1996 Chevrolet K2500, N/A
  • Fits 1992-1996 Chevrolet K3500, N/A
  • Fits 1992-1995 Chevrolet C1500 Suburban, N/A
  • Fits 1993-1995 Chevrolet C2500 Suburban, N/A
  • Fits 1992-1994 Chevrolet Blazer, N/A; Rear window defogger module connector compatible with rear HVAC floor mode door actuator harness and power seat switch.
  • Fits 1992-1994 Chevrolet S10 Blazer, N/A; w/ AC and Heater; Rear
  • Fits 1992 Chevrolet C2500 Suburban, N/A; w/ AC and Auxiliary Heater
  • Fits 1992 Chevrolet K1500 Suburban, N/A; w/ AC and Auxiliary Heater
  • Fits 1992 Chevrolet K2500 Suburban, N/A; w/ AC and Auxiliary Heater

Common Repair Uses

  • Restores HVAC selector function when the dash control no longer changes modes
  • Addresses intermittent or failed A/C switch operation in the instrument panel
  • Helps correct worn electrical contacts in aging GM truck and van HVAC controls
  • Supports repair of selector issues in Chevrolet Express and GMC Savana models
  • Used when the original switch no longer provides consistent electrical switching

Installation Notes

Verify connector style before installation: female connector, male blade terminals, and blade terminal type. Confirm the vehicle’s HVAC control configuration, including rotary switch or auxiliary heater notes where listed in fitment. Match the application to the exact year, make, and model shown for Chevrolet and GMC trucks, vans, and SUVs.

Quality Assurance

Standard Ignition manufactures this switch with copper alloy conductors and tests each part for mechanical and electrical switching performance. The HS-348 reflects the brand’s long-running focus on technician-oriented service parts and consistent HVAC control operation.

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.