Standard Ignition S-668 Fuel Level Sensor Connector

Brand Standard Ignition S-668
Connector Gender Male
Contents Pigtail Assembly
Terminal Gender Female
Terminal Type 4 Blade Terminals
Fits Chevrolet, GMC, Cadillac, Oldsmobile, Buick, and Pontiac · 158 vehicles

OE-style replacement. Pigtail assembly designed to fix common original equipment failure issues.

High-grade materials. Built for strong conductivity and reliable electrical connections.

4-blade terminals. Female terminals provide a secure, dependable connection.

Cross-references Dorman - Conduct-Tite 85388, Karlyn 727 and 1P1359 for the same application. See all 10.

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Fuel Level Sensor Connector for GM Applications

Standard Ignition S-668 is a fuel level sensor connector pigtail assembly built for electrical repair at the fuel tank sender circuit. It uses high-grade materials to support solid conductivity and consistent terminal contact, helping restore a dependable connection where the original connector has failed.

Compatible With 1984-1988 Buick Century, 1984-1987 Buick Regal, 1984-1986 Buick Century, 1987 Buick Skylark, 1988 Chevrolet Camaro, 1984-1988 Chevrolet Caprice, and other listed GM vehicles, this Standard Ignition S-668 connector is a direct-fit service part for fuel level sensor wiring repairs.

  • Fuel level sensor connector pigtail assembly
  • Male connector with female terminals
  • 4 blade terminals and 4-wire configuration
  • Built for electrical connector repair in fuel delivery systems
  • Designed for GM fuel sender and tank harness service work

Detailed Product Overview

Standard Ignition S-668 is engineered for technicians replacing damaged, corroded, or heat-affected fuel level sensor connectors. The 4-blade terminal design supports a secure electrical interface for the sender circuit, while the pigtail assembly format makes it suitable for harness-side repair. This part cross-references Dorman - Conduct-Tite 85388 for the same application. Use S-668 when servicing GM cars and trucks such as Chevrolet Camaro, Chevrolet Caprice, and GMC Yukon applications listed in the fitment data.

Common Repair Uses

  • Broken or brittle fuel tank connector housing
  • Intermittent fuel gauge readings caused by poor terminal contact
  • Corrosion at the fuel level sender connector
  • Heat damage or melted wiring at the tank harness
  • Open circuit or high-resistance connection at the sender plug

Installation Notes and Tips

Verify connector style, terminal count, and wire layout against the original part before installation. Match the vehicle harness and fuel level sensor wiring carefully, then splice and seal the pigtail according to standard electrical repair practices. Confirm proper terminal engagement and inspect the circuit after installation to ensure accurate fuel gauge operation.

Quality Assurance

Standard Ignition builds its pigtails and sockets with materials selected for conductivity and reliable connection quality. The brand’s long-running focus on technician-driven electrical repair parts supports consistent service performance across GM fuel level sensor applications.

This part fits 158 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1994ChevroletBlazerN/A—
1994ChevroletC1500N/A—
1994ChevroletC1500 SuburbanN/A—
1994ChevroletC2500N/A—
1994ChevroletC2500 SuburbanN/A—
1994ChevroletC3500N/A—
1994ChevroletK1500N/A—
1994ChevroletK1500 SuburbanN/A—
1994ChevroletK2500N/A—
1994ChevroletK2500 SuburbanN/A—
1994ChevroletK3500N/A—
1994GMCC1500N/A—
1994GMCC1500 SuburbanN/A—
1994GMCC2500N/A—
1994GMCC2500 SuburbanN/A—
1994GMCC3500N/A—
1994GMCJimmyN/A—
1994GMCK1500N/A—
1994GMCK1500 SuburbanN/A—
1994GMCK2500N/A—
1994GMCK2500 SuburbanN/A—
1994GMCK3500N/A—
1994GMCYukonN/A—
1988CadillacAllanteN/A—
1988CadillacCommercial ChassisN/A—
1988CadillacEldoradoN/A—
1988CadillacSevilleN/A—
1988ChevroletCamaroN/ABlack; 4 Term. Female
1988ChevroletCapriceN/A—
1988ChevroletCapriceN/ABlack; 4 Term. Female
1988ChevroletCavalierN/A—
1988ChevroletCorsicaN/A—
1988ChevroletCorvetteN/A—
1988ChevroletMonte CarloN/A—
1988ChevroletNovaN/A—
1988ChevroletSpectrumN/A—
1988ChevroletSprintN/A—
1988Oldsmobile98N/A—
1988OldsmobileCustom CruiserN/A—
1988OldsmobileCutlass CalaisN/A—
1988OldsmobileCutlass CalaisN/ABlack; 4 Term. Female
1988OldsmobileCutlass CieraN/A—
1988OldsmobileCutlass CruiserN/A—
1988OldsmobileCutlass SupremeN/A—
1988OldsmobileDelta 88N/A—
1988OldsmobileToronadoN/A—
1987BuickRegalN/ABlack; 4 Term. Female
1987BuickRivieraN/A—
1987BuickSkylarkN/A—
1987BuickSkylarkN/ABlack; 4 Term. Female
1987CadillacAllanteN/A—
1987CadillacCommercial ChassisN/A—
1987CadillacEldoradoN/A—
1987CadillacSevilleN/A—
1987ChevroletCamaroN/A—
1987ChevroletCapriceN/A—
1987ChevroletCavalierN/A—
1987ChevroletChevetteN/A—
1987ChevroletCorsicaN/A—
1987ChevroletCorvetteN/A—
1987ChevroletEl CaminoN/A—
1987ChevroletMonte CarloN/A—
1987ChevroletNovaN/A—
1987ChevroletSpectrumN/A—
1987ChevroletSprintN/A—
1987Oldsmobile98N/A—
1987OldsmobileCalaisN/A—
1987OldsmobileCustom CruiserN/A—
1987OldsmobileCutlassN/A—
1987OldsmobileCutlass CieraN/A—
1987OldsmobileCutlass SupremeN/A—
1987OldsmobileDelta 88N/A—
1987OldsmobileToronadoN/A—
1987PontiacGrand PrixN/A—
1986BuickCenturyN/ABlack; 4 Term. Female
1986BuickRegalN/ABlack; 4 Term. Female
1986BuickRivieraN/A—
1986CadillacCommercial ChassisN/A—
1986CadillacDeVilleN/A—
1986CadillacEldoradoN/A—
1986CadillacSevilleN/A—
1986ChevroletCamaroN/A—
1986ChevroletCapriceN/A—
1986ChevroletCavalierN/A—
1986ChevroletChevetteN/A—
1986ChevroletCorvetteN/A—
1986ChevroletEl CaminoN/A—
1986ChevroletMonte CarloN/A—
1986ChevroletNovaN/A—
1986ChevroletSpectrumN/A—
1986ChevroletSprintN/A—
1986Oldsmobile98N/A—
1986OldsmobileCalaisN/A—
1986OldsmobileCustom CruiserN/A—
1986OldsmobileCutlassN/A—
1986OldsmobileCutlass CieraN/A—
1986OldsmobileCutlass SalonN/A—
1986OldsmobileCutlass SupremeN/A—
1986OldsmobileDelta 88N/A—
1986OldsmobileToronadoN/A—
1985BuickCenturyN/ABlack; 4 Term. Female
1985BuickRegalN/ABlack; 4 Term. Female
1985CadillacCommercial ChassisN/A—
1985CadillacDeVilleN/A—
1985CadillacEldoradoN/A—
1985CadillacSevilleN/A—
1985ChevroletCamaroN/A—
1985ChevroletCapriceN/A—
1985ChevroletCavalierN/A—
1985ChevroletChevetteN/A—
1985ChevroletCitation IIN/A—
1985ChevroletCorvetteN/A—
1985ChevroletEl CaminoN/A—
1985ChevroletImpalaN/A—
1985ChevroletMonte CarloN/A—
1985ChevroletNovaN/A—
1985ChevroletSpectrumN/A—
1985ChevroletSprintN/A—
1985Oldsmobile98N/A—
1985OldsmobileCalaisN/A—
1985OldsmobileCustom CruiserN/A—
1985OldsmobileCutlassN/A—
1985OldsmobileCutlass CieraN/A—
1985OldsmobileCutlass SalonN/A—
1985OldsmobileCutlass SupremeN/A—
1985OldsmobileDelta 88N/A—
1985OldsmobileToronadoN/A—
1985Pontiac6000N/A—
1985PontiacBonnevilleN/A—
1985PontiacGrand AmN/A—
1985PontiacGrand PrixN/A—
1984BuickCenturyN/ABlack; 4 Term. Female
1984BuickRegalN/ABlack; 4 Term. Female
1984CadillacCommercial ChassisN/A—
1984CadillacDeVilleN/A—
1984CadillacEldoradoN/A—
1984CadillacFleetwoodN/A—
1984CadillacSevilleN/A—
1984ChevroletCamaroN/A—
1984ChevroletCapriceN/A—
1984ChevroletCavalierN/A—
1984ChevroletChevetteN/A—
1984ChevroletCitation IIN/A—
1984ChevroletCorvetteN/A—
1984ChevroletEl CaminoN/A—
1984ChevroletImpalaN/A—
1984ChevroletMonte CarloN/A—
1984Oldsmobile98N/A—
1984OldsmobileCustom CruiserN/A—
1984OldsmobileCutlass CalaisN/A—
1984OldsmobileCutlass CieraN/A—
1984OldsmobileCutlass SupremeN/A—
1984OldsmobileDelta 88N/A—
1984OldsmobileOmegaN/A—
1984OldsmobileToronadoN/A—
1984Pontiac6000N/A—
1984PontiacBonnevilleN/A—
1984PontiacGrand PrixN/A—
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - Conduct-Tite — 85388Karlyn — 7271P135957-5138350-3391208553088862257EC131PT323PTA1945