OE Quality
60-Day Returns

Standard Ignition S-655 Engine Coolant Temperature Sending Unit Switch Connector
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.
| Brand | Standard Ignition |
| Part Number | S-655 |
| Connector Gender | Female |
| Harness Length - inches | 5 1/2" |
| Terminal Gender | Male |
| Terminal Type | Wire Lead |
This part fits 32 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Chevrolet | Corsica | 3.1L | V6 | N/A | |
| 1994 | Chevrolet | G20 | N/A | |||
| 1994 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1994 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1994 | Oldsmobile | Achieva | 3.1L | V6 | N/A | |
| 1993 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1993 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1992 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1992 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1991 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1991 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1990 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1990 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1989 | Chevrolet | Corsica | 2.8L | V6 | N/A | |
| 1989 | Ford | E-250 Econoline Club Wagon | 7.3L | V8 | N/A | |
| 1989 | Ford | E-350 Econoline | 7.3L | V8 | N/A | |
| 1989 | Ford | E-350 Econoline Club Wagon | 7.3L | V8 | N/A | |
| 1989 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1989 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1988 | Buick | Century | 2.8L | V6 | N/A | |
| 1988 | Ford | E-250 Econoline Club Wagon | 7.3L | V8 | N/A | |
| 1988 | Ford | E-350 Econoline | 7.3L | V8 | N/A | |
| 1988 | Ford | E-350 Econoline Club Wagon | 7.3L | V8 | N/A | |
| 1988 | Ford | F-250 | 7.3L | V8 | N/A | |
| 1988 | Ford | F-350 | 7.3L | V8 | N/A | |
| 1988 | Oldsmobile | Cutlass Cruiser | 2.8L | V6 | N/A | |
| 1987 | Chevrolet | Corsica | 2.8L | V6 | N/A | |
| 1987 | Ford | E-250 Econoline Club Wagon | 6.9L | V8 | N/A | |
| 1987 | Ford | E-350 Econoline | 6.9L | V8 | N/A | |
| 1987 | Ford | E-350 Econoline Club Wagon | 6.9L | V8 | N/A | |
| 1987 | Ford | F-250 | 6.9L | V8 | N/A | |
| 1987 | Ford | F-350 | 6.9L | V8 | N/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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.