HomeBelts and Cooling > Electrical ConnectorsFour Seasons 70006 Engine Coolant Temperature Sending Unit Switch Connector
Part #: 70006

Four Seasons 70006 Engine Coolant Temperature Sending Unit Switch Connector

Harness Connector
⚙️ 118 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Harness Connector
🚗Fitment: Chevrolet and GMC, Silverado 2500 HD Classic, Silverado 3500 Classic, Sierra 2500 HD Classic, Sierra 3500 Classic, Avalanche 1500, Avalanche 2500, Silverado 2500 HD, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Sierra 2500 HD, Sierra 3500, Yukon, Yukon XL 1500, Yukon XL 2500, Express 1500, Express 2500, Express 3500, G30, Silverado 1500, Silverado 1500 HD, Silverado 2500, Savana 1500, Savana 2500, Savana 3500, and P3500
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Overview of Four Seasons Harness Connector 70006

The Four Seasons Harness Connector 70006 is designed for reliable electrical connections in engine coolant temperature sending unit systems. This male harness connector is compatible with various Chevrolet and GMC models, ensuring precise fitment and secure connectivity.

  • Brand: Four Seasons
  • Brand Line: Harness Connector
  • Part Number: 70006
  • Type: Engine Coolant Temperature Sending Unit Switch Connector
  • Gender: Male connector housing
  • Terminal Quantity: 3 terminals
  • Terminal Gender: Female terminals
  • Connector Shape: Oval
  • Style: Harness connector

Four Seasons Harness Connector Product Line

The Harness Connector product line by Four Seasons focuses on providing durable and precise electrical connectors for automotive cooling and electrical systems. The 70006 connector is part of this line, engineered to maintain secure and stable connections for engine coolant temperature sending units, which are critical for accurate temperature monitoring and engine performance.

Detailed Product Description

This Four Seasons Harness Connector 70006 features a male housing with three female terminals arranged in an oval shape, designed to fit specific Chevrolet and GMC vehicles. The connector ensures a stable electrical connection for the engine coolant temperature sending unit switch, which plays a vital role in monitoring engine temperature and regulating cooling system functions. Its harness style allows for straightforward integration into existing wiring harnesses, reducing installation complexity and improving system reliability.

Compatible Vehicles and Applications

  • Chevrolet Avalanche 1500 and 2500
  • Chevrolet Express 1500, 2500, and 3500
  • Chevrolet G30 and P3500
  • Chevrolet Suburban 1500 and 2500
  • Chevrolet Silverado 1500, 1500 HD, 2500, 2500 HD, 3500, and their Classic variants
  • Chevrolet Tahoe
  • GMC Sierra 2500 HD, 2500 HD Classic, 3500, and 3500 Classic
  • GMC Savana 1500, 2500, and 3500
  • GMC Yukon, Yukon XL 1500, and Yukon XL 2500

Common Issues Addressed by This Connector

  • Intermittent or faulty engine coolant temperature sensor readings
  • Loose or corroded electrical connections causing sensor failure
  • Wiring harness damage affecting temperature switch signals
  • Connector wear leading to poor electrical contact
  • Replacement of damaged or worn connectors in cooling system circuits

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying make and model before installation
  • Disconnect the battery before replacing the connector to prevent electrical shorts
  • Inspect wiring harness for damage and repair as needed prior to connector installation
  • Use proper tools to avoid damaging terminals during installation
  • Confirm secure fit and proper terminal engagement to maintain reliable sensor signals

Quality Assurance and Warranty

Four Seasons manufactures the Harness Connector 70006 to meet OEM specifications for fit and function. While specific warranty details are not provided here, Four Seasons products typically undergo rigorous quality control to ensure durability and performance in automotive electrical systems.

BrandFour Seasons
Part Number70006
PositionHarness Connector
Connector ShapeOval
DescriptionHarness Connectors
GenderMale
StyleHarness Connector
Terminal GenderFemale
Terminal Quantity3
TypeConnector

This part fits 118 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 2500 HD Classic8.1LV8N/AHarness Connector
2007ChevroletSilverado 2500 HD Classic8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2007ChevroletSilverado 3500 Classic8.1LV8N/AHarness Connector
2007ChevroletSilverado 3500 Classic8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2007GMCSierra 2500 HD Classic8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2007GMCSierra 3500 Classic8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletAvalanche 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletAvalanche 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2006ChevroletSilverado 35008.1LV8N/A3 Term.; Black and Purple; Harness Connector
2006ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletSuburban 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletSuburban 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCSierra 35008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCYukon XL 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2006GMCYukon XL 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletAvalanche 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletAvalanche 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2005ChevroletSilverado 35008.1LV8N/A3 Term.; Black and Purple; Harness Connector
2005ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletSuburban 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletSuburban 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCSierra 35008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCYukon XL 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2005GMCYukon XL 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletAvalanche 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletAvalanche 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2004ChevroletSilverado 35008.1LV8N/A3 Term.; Black and Purple; Harness Connector
2004ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletSuburban 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletSuburban 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCSierra 35008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCYukon XL 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2004GMCYukon XL 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletAvalanche 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletAvalanche 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2003ChevroletSilverado 35008.1LV8N/A3 Term.; Black and Purple; Harness Connector
2003ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletSuburban 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletSuburban 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCSierra 35008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCYukon XL 25006.0LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2003GMCYukon XL 25008.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletAvalanche 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletAvalanche 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletExpress 1500N/A3 Term.; Harness Connector
2002ChevroletExpress 2500N/A3 Term.; Harness Connector
2002ChevroletExpress 3500N/A3 Term.; Harness Connector
2002ChevroletG30N/A3 Term.; Harness Connector
2002ChevroletSilverado 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletSilverado 1500 HDN/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletSilverado 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletSilverado 2500 HDN/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletSilverado 2500 HD8.1LV8N/AHarness Connector
2002ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2002ChevroletSilverado 35008.1LV8N/AHarness Connector
2002ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletSuburban 1500N/AHarness Connector
2002ChevroletSuburban 25008.1LV8N/AHarness Connector
2002ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2002ChevroletTahoeN/AHarness Connector
2002GMCSavana 1500N/A3 Term.; Harness Connector
2002GMCSavana 2500N/A3 Term.; Harness Connector
2002GMCSavana 35005.7LV8N/A3 Term.; Harness Connector
2002GMCSavana 35006.5LV8N/A3 Term.; Harness Connector
2002GMCSavana 35004.3LV6N/A3 Term.; Harness Connector
2002GMCSavana 35008.1LV8N/A3 Term.; Harness Connector
2002GMCSierra 2500 HD8.1LV8N/AHarness Connector
2002GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2002GMCSierra 35008.1LV8N/AHarness Connector
2002GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2002GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2002GMCYukon XL 25008.1LV8N/AHarness Connector
2001ChevroletExpress 1500N/A3 Term.; Harness Connector
2001ChevroletExpress 2500N/A3 Term.; Harness Connector
2001ChevroletExpress 3500N/A3 Term.; Harness Connector
2001ChevroletG30N/A3 Term.; Harness Connector
2001ChevroletSilverado 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletSilverado 1500 HDN/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletSilverado 2500N/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletSilverado 2500 HDN/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletSilverado 2500 HD8.1LV8N/AHarness Connector
2001ChevroletSilverado 2500 HD8.1LV8N/A3 Term.; Black and Purple; Harness Connector
2001ChevroletSilverado 35008.1LV8N/AHarness Connector
2001ChevroletSuburban 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletSuburban 1500N/AHarness Connector
2001ChevroletSuburban 25008.1LV8N/AHarness Connector
2001ChevroletTahoeN/ABlack and Purple; 3 Term. Female; Harness Connector
2001ChevroletTahoeN/AHarness Connector
2001GMCSavana 1500N/A3 Term.; Harness Connector
2001GMCSavana 2500N/A3 Term.; Harness Connector
2001GMCSavana 3500N/A3 Term.; Harness Connector
2001GMCSierra 2500 HD8.1LV8N/AHarness Connector
2001GMCSierra 2500 HD8.1LV8N/ABlack and Purple; 3 Term. Female; Harness Connector
2001GMCSierra 35008.1LV8N/AHarness Connector
2001GMCYukonN/ABlack and Purple; 3 Term. Female; Harness Connector
2001GMCYukon XL 1500N/ABlack and Purple; 3 Term. Female; Harness Connector
2001GMCYukon XL 25008.1LV8N/AHarness Connector
1999GMCP3500N/A3 Term.; Harness 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:

121170251P122048955970006A27206PT420

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