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Standard Ignition S-668 Fuel Level Sensor Connector
Reliable Fuel Level Sensor Connector for GM Vehicles
The Standard Ignition S-668 fuel level sensor connector is designed to provide a secure and efficient electrical connection for fuel level sensors in various General Motors vehicles. Engineered with a male connector and female terminals, this pigtail assembly ensures accurate fuel level readings and reliable performance.
- Connector Gender: Male
- Terminal Gender: Female
- Terminal Type: 4 blade terminals
- Terminal Quantity: 4
- Wire Quantity: 4
- Includes one pigtail assembly
Durable Design and Precise Fitment
This fuel level sensor connector (part number S-668) is compatible with a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models, including popular vehicles such as the Chevrolet Blazer, Cadillac DeVille, Buick Century, and GMC Yukon. The connector features four blade terminals and four wires, providing a stable and secure connection to the fuel level sensor. Its male connector design mates with female terminals to ensure proper electrical contact and signal transmission.
Compatible GM Models and Applications
The Standard Ignition S-668 is suitable for use in multiple GM vehicles, including but not limited to:
- Buick Century, Skylark, and Regal
- Cadillac Allante, DeVille, Eldorado, and Seville
- Chevrolet Camaro, Caprice, Impala, and C1500 series trucks
- GMC Sierra K1500, K2500, and Yukon
- Oldsmobile Cutlass, Delta 88, and Omega
- Pontiac Grand Am, Grand Prix, and Bonneville
Common Issues Addressed by This Connector
- Intermittent or inaccurate fuel gauge readings
- Corroded or damaged fuel level sensor wiring
- Loose or faulty electrical connections in the fuel tank
- Replacement of worn or broken fuel sensor pigtail assemblies
- Electrical faults causing fuel gauge malfunctions
Installation Notes and Tips
When installing the Standard Ignition S-668 fuel level sensor connector, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Carefully remove the old connector and inspect the wiring harness for damage. Connect the male connector securely to the fuel level sensor, verifying that all four blade terminals are properly seated. Use dielectric grease on terminals to prevent corrosion and improve conductivity. Reconnect the battery and test the fuel gauge for proper operation before completing the installation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The S-668 fuel level sensor connector undergoes rigorous quality control testing to guarantee fitment and function. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.
| Brand | Standard Ignition |
| Part Number | S-668 |
| Connector Gender | Male |
| Contents | Pigtail Assembly |
| Terminal Gender | Female |
| Terminal Type | 4 Blade Terminals |
This part fits 158 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1994 | Chevrolet | Blazer | N/A | |
| 1994 | Chevrolet | C1500 | N/A | |
| 1994 | Chevrolet | C1500 Suburban | N/A | |
| 1994 | Chevrolet | C2500 | N/A | |
| 1994 | Chevrolet | C2500 Suburban | N/A | |
| 1994 | Chevrolet | C3500 | N/A | |
| 1994 | Chevrolet | K1500 | N/A | |
| 1994 | Chevrolet | K1500 Suburban | N/A | |
| 1994 | Chevrolet | K2500 | N/A | |
| 1994 | Chevrolet | K2500 Suburban | N/A | |
| 1994 | Chevrolet | K3500 | N/A | |
| 1994 | GMC | C1500 | N/A | |
| 1994 | GMC | C1500 Suburban | N/A | |
| 1994 | GMC | C2500 | N/A | |
| 1994 | GMC | C2500 Suburban | N/A | |
| 1994 | GMC | C3500 | N/A | |
| 1994 | GMC | Jimmy | N/A | |
| 1994 | GMC | K1500 | N/A | |
| 1994 | GMC | K1500 Suburban | N/A | |
| 1994 | GMC | K2500 | N/A | |
| 1994 | GMC | K2500 Suburban | N/A | |
| 1994 | GMC | K3500 | N/A | |
| 1994 | GMC | Yukon | N/A | |
| 1988 | Cadillac | Allante | N/A | |
| 1988 | Cadillac | Commercial Chassis | N/A | |
| 1988 | Cadillac | Eldorado | N/A | |
| 1988 | Cadillac | Seville | N/A | |
| 1988 | Chevrolet | Camaro | N/A | Black; 4 Term. Female |
| 1988 | Chevrolet | Caprice | N/A | |
| 1988 | Chevrolet | Caprice | N/A | Black; 4 Term. Female |
| 1988 | Chevrolet | Cavalier | N/A | |
| 1988 | Chevrolet | Corsica | N/A | |
| 1988 | Chevrolet | Corvette | N/A | |
| 1988 | Chevrolet | Monte Carlo | N/A | |
| 1988 | Chevrolet | Nova | N/A | |
| 1988 | Chevrolet | Spectrum | N/A | |
| 1988 | Chevrolet | Sprint | N/A | |
| 1988 | Oldsmobile | 98 | N/A | |
| 1988 | Oldsmobile | Custom Cruiser | N/A | |
| 1988 | Oldsmobile | Cutlass Calais | N/A | |
| 1988 | Oldsmobile | Cutlass Calais | N/A | Black; 4 Term. Female |
| 1988 | Oldsmobile | Cutlass Ciera | N/A | |
| 1988 | Oldsmobile | Cutlass Cruiser | N/A | |
| 1988 | Oldsmobile | Cutlass Supreme | N/A | |
| 1988 | Oldsmobile | Delta 88 | N/A | |
| 1988 | Oldsmobile | Toronado | N/A | |
| 1987 | Buick | Regal | N/A | Black; 4 Term. Female |
| 1987 | Buick | Riviera | N/A | |
| 1987 | Buick | Skylark | N/A | |
| 1987 | Buick | Skylark | N/A | Black; 4 Term. Female |
| 1987 | Cadillac | Allante | N/A | |
| 1987 | Cadillac | Commercial Chassis | N/A | |
| 1987 | Cadillac | Eldorado | N/A | |
| 1987 | Cadillac | Seville | N/A | |
| 1987 | Chevrolet | Camaro | N/A | |
| 1987 | Chevrolet | Caprice | N/A | |
| 1987 | Chevrolet | Cavalier | N/A | |
| 1987 | Chevrolet | Chevette | N/A | |
| 1987 | Chevrolet | Corsica | N/A | |
| 1987 | Chevrolet | Corvette | N/A | |
| 1987 | Chevrolet | El Camino | N/A | |
| 1987 | Chevrolet | Monte Carlo | N/A | |
| 1987 | Chevrolet | Nova | N/A | |
| 1987 | Chevrolet | Spectrum | N/A | |
| 1987 | Chevrolet | Sprint | N/A | |
| 1987 | Oldsmobile | 98 | N/A | |
| 1987 | Oldsmobile | Calais | N/A | |
| 1987 | Oldsmobile | Custom Cruiser | N/A | |
| 1987 | Oldsmobile | Cutlass | N/A | |
| 1987 | Oldsmobile | Cutlass Ciera | N/A | |
| 1987 | Oldsmobile | Cutlass Supreme | N/A | |
| 1987 | Oldsmobile | Delta 88 | N/A | |
| 1987 | Oldsmobile | Toronado | N/A | |
| 1987 | Pontiac | Grand Prix | N/A | |
| 1986 | Buick | Century | N/A | Black; 4 Term. Female |
| 1986 | Buick | Regal | N/A | Black; 4 Term. Female |
| 1986 | Buick | Riviera | N/A | |
| 1986 | Cadillac | Commercial Chassis | N/A | |
| 1986 | Cadillac | DeVille | N/A | |
| 1986 | Cadillac | Eldorado | N/A | |
| 1986 | Cadillac | Seville | N/A | |
| 1986 | Chevrolet | Camaro | N/A | |
| 1986 | Chevrolet | Caprice | N/A | |
| 1986 | Chevrolet | Cavalier | N/A | |
| 1986 | Chevrolet | Chevette | N/A | |
| 1986 | Chevrolet | Corvette | N/A | |
| 1986 | Chevrolet | El Camino | N/A | |
| 1986 | Chevrolet | Monte Carlo | N/A | |
| 1986 | Chevrolet | Nova | N/A | |
| 1986 | Chevrolet | Spectrum | N/A | |
| 1986 | Chevrolet | Sprint | N/A | |
| 1986 | Oldsmobile | 98 | N/A | |
| 1986 | Oldsmobile | Calais | N/A | |
| 1986 | Oldsmobile | Custom Cruiser | N/A | |
| 1986 | Oldsmobile | Cutlass | N/A | |
| 1986 | Oldsmobile | Cutlass Ciera | N/A | |
| 1986 | Oldsmobile | Cutlass Salon | N/A | |
| 1986 | Oldsmobile | Cutlass Supreme | N/A | |
| 1986 | Oldsmobile | Delta 88 | N/A | |
| 1986 | Oldsmobile | Toronado | N/A | |
| 1985 | Buick | Century | N/A | Black; 4 Term. Female |
| 1985 | Buick | Regal | N/A | Black; 4 Term. Female |
| 1985 | Cadillac | Commercial Chassis | N/A | |
| 1985 | Cadillac | DeVille | N/A | |
| 1985 | Cadillac | Eldorado | N/A | |
| 1985 | Cadillac | Seville | N/A | |
| 1985 | Chevrolet | Camaro | N/A | |
| 1985 | Chevrolet | Caprice | N/A | |
| 1985 | Chevrolet | Cavalier | N/A | |
| 1985 | Chevrolet | Chevette | N/A | |
| 1985 | Chevrolet | Citation II | N/A | |
| 1985 | Chevrolet | Corvette | N/A | |
| 1985 | Chevrolet | El Camino | N/A | |
| 1985 | Chevrolet | Impala | N/A | |
| 1985 | Chevrolet | Monte Carlo | N/A | |
| 1985 | Chevrolet | Nova | N/A | |
| 1985 | Chevrolet | Spectrum | N/A | |
| 1985 | Chevrolet | Sprint | N/A | |
| 1985 | Oldsmobile | 98 | N/A | |
| 1985 | Oldsmobile | Calais | N/A | |
| 1985 | Oldsmobile | Custom Cruiser | N/A | |
| 1985 | Oldsmobile | Cutlass | N/A | |
| 1985 | Oldsmobile | Cutlass Ciera | N/A | |
| 1985 | Oldsmobile | Cutlass Salon | N/A | |
| 1985 | Oldsmobile | Cutlass Supreme | N/A | |
| 1985 | Oldsmobile | Delta 88 | N/A | |
| 1985 | Oldsmobile | Toronado | N/A | |
| 1985 | Pontiac | 6000 | N/A | |
| 1985 | Pontiac | Bonneville | N/A | |
| 1985 | Pontiac | Grand Am | N/A | |
| 1985 | Pontiac | Grand Prix | N/A | |
| 1984 | Buick | Century | N/A | Black; 4 Term. Female |
| 1984 | Buick | Regal | N/A | Black; 4 Term. Female |
| 1984 | Cadillac | Commercial Chassis | N/A | |
| 1984 | Cadillac | DeVille | N/A | |
| 1984 | Cadillac | Eldorado | N/A | |
| 1984 | Cadillac | Fleetwood | N/A | |
| 1984 | Cadillac | Seville | N/A | |
| 1984 | Chevrolet | Camaro | N/A | |
| 1984 | Chevrolet | Caprice | N/A | |
| 1984 | Chevrolet | Cavalier | N/A | |
| 1984 | Chevrolet | Chevette | N/A | |
| 1984 | Chevrolet | Citation II | N/A | |
| 1984 | Chevrolet | Corvette | N/A | |
| 1984 | Chevrolet | El Camino | N/A | |
| 1984 | Chevrolet | Impala | N/A | |
| 1984 | Chevrolet | Monte Carlo | N/A | |
| 1984 | Oldsmobile | 98 | N/A | |
| 1984 | Oldsmobile | Custom Cruiser | N/A | |
| 1984 | Oldsmobile | Cutlass Calais | N/A | |
| 1984 | Oldsmobile | Cutlass Ciera | N/A | |
| 1984 | Oldsmobile | Cutlass Supreme | N/A | |
| 1984 | Oldsmobile | Delta 88 | N/A | |
| 1984 | Oldsmobile | Omega | N/A | |
| 1984 | Oldsmobile | Toronado | N/A | |
| 1984 | Pontiac | 6000 | N/A | |
| 1984 | Pontiac | Bonneville | N/A | |
| 1984 | Pontiac | Grand Prix | 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.