HomeBelts and Cooling > Electrical ConnectorsStandard Ignition S-655 Engine Coolant Temperature Sending Unit Switch Connector
Part #: S-655

Standard Ignition S-655 Engine Coolant Temperature Sending Unit Switch Connector

⚙️ 32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Oldsmobile, Corsica, G20, Achieva, Cutlass Cruiser, and Beretta
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Reliable Engine Coolant Temperature Sending Unit Switch Connector

The Standard Ignition S-655 Engine Coolant Temperature Sending Unit Switch Connector is designed to provide a secure and efficient electrical connection for your vehicle's temperature sensor. Compatible with select Buick, Chevrolet, Ford, and Oldsmobile models, this connector ensures accurate temperature readings essential for engine performance.

  • Female connector gender for proper fitment
  • Single connector and terminal quantity for straightforward installation
  • 5 1/2 inch harness length for flexible routing
  • Male terminal with wire lead type for reliable electrical contact
  • Designed for one wire connection to maintain sensor accuracy

Product Details and Specifications

The S-655 connector from Standard Ignition features a female connector designed to mate with the engine coolant temperature sending unit switch. It includes one male terminal with a wire lead, providing a single-wire connection that supports accurate sensor signals. The harness length measures 5 1/2 inches, allowing for convenient placement within the engine bay. This connector is engineered to meet the electrical requirements of various vehicles, including Buick Achieva and Century, Chevrolet Corsica and Cutlass Cruiser, Ford E-250 and E-350 Econoline models, F-250 and F-350 trucks, and Oldsmobile G20 vans.

Compatible Vehicles and Applications

This connector is compatible with the following makes and models:

  • Buick Achieva, Century
  • Chevrolet Corsica, Cutlass Cruiser
  • Ford E-250 Econoline Club Wagon, E-350 Econoline, E-350 Econoline Club Wagon, F-250, F-350
  • Oldsmobile G20

Common Issues Addressed by the S-655 Connector

  • Intermittent or faulty engine coolant temperature sensor readings
  • Corroded or damaged electrical connectors causing sensor failure
  • Loose or broken wiring connections affecting engine temperature monitoring
  • Replacement of worn or aged connectors to restore sensor functionality
  • Ensuring proper electrical contact for accurate engine temperature data

Installation Notes and Tips

When installing the Standard Ignition S-655 connector, ensure the female connector securely mates with the temperature sending unit switch. Verify the male terminal wire lead is properly connected and free of corrosion or damage. The 5 1/2 inch harness length provides flexibility, but avoid sharp bends or pinching during installation. Use dielectric grease on terminals to prevent moisture intrusion and maintain a reliable connection.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring dependable performance. The S-655 connector undergoes rigorous quality control to provide consistent electrical connectivity. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to support long-term reliability.

BrandStandard Ignition
Part NumberS-655
Connector GenderFemale
Harness Length - inches5 1/2"
Terminal GenderMale
Terminal TypeWire Lead

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1996ChevroletCorsica3.1LV6N/A
1994ChevroletG20N/A
1994FordF-2507.3LV8N/A
1994FordF-3507.3LV8N/A
1994OldsmobileAchieva3.1LV6N/A
1993FordF-2507.3LV8N/A
1993FordF-3507.3LV8N/A
1992FordF-2507.3LV8N/A
1992FordF-3507.3LV8N/A
1991FordF-2507.3LV8N/A
1991FordF-3507.3LV8N/A
1990FordF-2507.3LV8N/A
1990FordF-3507.3LV8N/A
1989ChevroletCorsica2.8LV6N/A
1989FordE-250 Econoline Club Wagon7.3LV8N/A
1989FordE-350 Econoline7.3LV8N/A
1989FordE-350 Econoline Club Wagon7.3LV8N/A
1989FordF-2507.3LV8N/A
1989FordF-3507.3LV8N/A
1988BuickCentury2.8LV6N/A
1988FordE-250 Econoline Club Wagon7.3LV8N/A
1988FordE-350 Econoline7.3LV8N/A
1988FordE-350 Econoline Club Wagon7.3LV8N/A
1988FordF-2507.3LV8N/A
1988FordF-3507.3LV8N/A
1988OldsmobileCutlass Cruiser2.8LV6N/A
1987ChevroletCorsica2.8LV6N/A
1987FordE-250 Econoline Club Wagon6.9LV8N/A
1987FordE-350 Econoline6.9LV8N/A
1987FordE-350 Econoline Club Wagon6.9LV8N/A
1987FordF-2506.9LV8N/A
1987FordF-3506.9LV8N/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:

121264511P1168350-29154557-4649700038538988862255EC118PT5610PTA1479

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