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Standard Ignition S-1635 HVAC Control Select Switch ConnectorOE Quality 60-Day Returns
Part #: S-1635

Standard Ignition S-1635 HVAC Control Select Switch Connector

49 vehicles fit this part
Select your vehicle to confirm fitment
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Fitment: Chevrolet, GMC, and Cadillac, Express 1500, Express 2500, Express 3500, Savana 1500, Savana 2500, Savana 3500, Suburban 1500, Suburban 2500, Tahoe, Yukon, Escalade, Escalade ESV, Escalade EXT, Sierra 1500, Sierra 2500, Sierra 2500 HD, Sierra 3500, DeVille, Brougham, and Commercial Chassis
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Overview of Standard Ignition HVAC Control Select Switch Connector

The Standard Ignition S-1635 HVAC Control Select Switch Connector is designed for reliable electrical connections in HVAC systems of select General Motors vehicles. This male connector with blade terminals ensures secure and efficient control switch connectivity for Cadillac, Chevrolet, and GMC models.

  • Connector Gender: Male
  • Terminal Gender: Female blade terminals
  • Terminal Quantity: 7 terminals
  • Wire Quantity: 7 wires included
  • Includes butt splices for easy wiring
  • Compatible with multiple GM vehicle models

Detailed Product Description

The Standard Ignition S-1635 is a 7-terminal HVAC control select switch connector featuring female blade terminals and a male connector gender. It includes seven wires and butt splices, facilitating straightforward installation and reliable electrical connections. This connector is engineered to meet the electrical demands of HVAC control systems in vehicles such as the Cadillac DeVille and Escalade series, Chevrolet Suburban and Express vans, and GMC Sierra and Yukon models. The blade terminal design provides a secure fit and reduces the risk of connection failure due to vibration or corrosion.

Compatible Vehicles and Applications

This HVAC control select switch connector is compatible with a range of GM vehicles, including:

  • Cadillac Brougham, DeVille, Escalade, Escalade ESV, Escalade EXT
  • Chevrolet Express 1500, 2500, 3500, Suburban 1500, 2500, Tahoe
  • GMC Sierra 1500, 2500, 2500 HD, 3500, Yukon, Savana 1500, 2500, 3500

It is specifically designed to maintain proper HVAC control switch functionality in these models, ensuring consistent climate control performance.

Common Issues Addressed by This Connector

  • Intermittent HVAC control switch operation due to faulty connections
  • Corroded or damaged blade terminals causing electrical failures
  • Loose or broken wiring in HVAC control circuits
  • Connector damage from wear or environmental exposure
  • Difficulty in splicing or repairing HVAC control wiring harnesses

Installation Notes and Tips

  • Ensure vehicle ignition is off before installation
  • Use included butt splices to secure wire connections properly
  • Verify terminal alignment and secure fit to prevent loose connections
  • Inspect existing wiring harness for damage before replacement
  • Consult vehicle service manual for HVAC system wiring diagrams

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The S-1635 connector undergoes quality control testing to ensure durability and reliable electrical performance. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in product reliability.

BrandStandard Ignition
Part NumberS-1635
Connector GenderMale
ContentsIncludes Butt Splices
Terminal GenderFemale
Terminal TypeBlade Terminals

This part fits 49 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2007ChevroletExpress 1500N/A
2007ChevroletExpress 2500N/A
2007ChevroletExpress 3500N/A
2007GMCSavana 1500N/A
2007GMCSavana 2500N/A
2007GMCSavana 3500N/A
2006ChevroletExpress 1500N/A
2006ChevroletExpress 2500N/A
2006ChevroletExpress 3500N/A
2006ChevroletSuburban 1500N/A
2006ChevroletSuburban 2500N/A
2006ChevroletTahoeN/A
2006GMCSavana 1500N/A
2006GMCSavana 2500N/A
2006GMCSavana 3500N/A
2006GMCYukonN/A
2006GMCYukonDenaliN/A
2005CadillacEscaladeN/A
2005CadillacEscalade ESVN/A
2005CadillacEscalade EXTN/A
2005ChevroletSuburban 1500N/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005GMCYukonN/A
2005GMCYukonDenaliN/A
2004CadillacEscaladeN/A
2004CadillacEscalade ESVN/A
2004CadillacEscalade EXTN/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004GMCSierra 1500N/A
2004GMCSierra 2500N/A
2004GMCSierra 2500 HDN/A
2004GMCSierra 3500N/A
2004GMCYukonN/A
2004GMCYukonDenaliN/A
2003CadillacEscaladeN/A
2003CadillacEscalade ESVN/A
2003CadillacEscalade EXTN/A
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/A
2003GMCYukonN/A
2003GMCYukonDenaliN/A
1993CadillacDeVilleN/A7 female terminals black ground block connector
1992CadillacBroughamN/A7 female terminals black ground block connector
1992CadillacCommercial ChassisN/A7 female terminals black ground block connector
1992CadillacDeVilleN/A7 female terminals black ground block connector

* 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:

12101938EC1132PT1133

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