Standard Ignition S-672 Ignition Switch Connector

Brand Standard Ignition 611-083
Color Chrome
End Type Cragar SST Mag
Grade Type Regular
Hex Size 13/16 in
Material Steel
Open End Design No
Overall Length 2.23
Package Contents 10 Wheel Lug Nuts
SAE or Metric SAE
Seat Style Perpendicular
Shank Length (In) 1.38 in
Thread Diameter 0.437
Thread Direction Clockwise
Thread Size 7/16-20
Thread Type Fine
Washers Included No
Wheel Lock Key Included Not Required
Fits 187 vehicles

OE-style replacement. Fixes common failure issues with a direct-fit connector.

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

Pin socket design. Female terminals provide a secure electrical interface.

Cross-references DENSO Auto Parts 221-3204, Karlyn 642 and 1P1274 for the same application. See all 9.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Ignition Switch Connector for GM Applications

Standard Ignition S-672 is an ignition switch connector built for electrical repair work where the original connector has heat damage, broken terminals, or poor contact. It uses high-grade materials to support strong conductivity and a secure connection in ignition switch circuits.

Compatible with a wide range of Chevrolet and GMC trucks, vans, and Buick passenger vehicles from 1967-1996, including applications such as the Chevrolet P30, GMC G3500, and Buick Century. Standard Ignition S-672 is a direct-fit electrical connector solution for technicians servicing older GM ignition systems.

Key Features

  • Female ignition switch connector with a female pin-socket terminal design
  • 9-terminal, 9-wire configuration for ignition switch electrical repair
  • 6-inch harness length for connector replacement and re-termination work
  • Built for dependable conductivity and consistent terminal engagement
  • Designed for GM ignition switch applications across trucks, vans, and passenger cars

Detailed Description

The Standard Ignition S-672 ignition switch connector is engineered for repair of worn, melted, or intermittent factory connectors in older GM vehicles. It is commonly used on Chevrolet P10, P20, P30, GMC P1500, P2500, P3500, and related Buick and Chevrolet models where the ignition switch connector must maintain stable electrical contact. Standard Ignition part number S-672 is also referenced in cross applications such as DENSO 221-3204 and Karlyn 642.

Standard Ignition focuses on replacement pigtails and sockets for electrical service work, using materials selected to maintain conductivity and reliable terminal fit. This connector is suited for ignition switch repair on vehicles such as the Buick LeSabre, Chevrolet Caprice, and GMC Jimmy when the original connector no longer provides a solid connection.

What It Helps Fix

  • Intermittent ignition switch operation caused by worn terminals
  • Heat-damaged or melted connector housings
  • Loose electrical contact at the ignition switch
  • Corrosion-related resistance in the connector body
  • Broken or damaged factory pigtail wiring

Installation Notes and Tips

  • Verify connector style, terminal count, and harness length before installation.
  • Check vehicle-specific notes, especially dash-mounted switch and alternator-related applications.
  • Match the connector to the original terminal layout before cutting or splicing.
  • Inspect the ignition switch and surrounding wiring for heat damage before completing the repair.
  • Confirm fitment on the exact year, make, and model listed for your vehicle.

Quality Assurance

Standard Ignition designs its pigtails and sockets with technician-focused development and replacement-focused engineering. The S-672 is built to address common failure points found in original ignition switch connectors and to restore dependable electrical connection in the repaired circuit.

This part fits 187 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
1996BuickCenturyN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1996GMCG35005.7LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1996GMCG35006.5LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1995BuickCenturyN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1995GMCG35006.5LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994BuickCenturyN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG25004.3LV6N/Aw/ Rally Gauge Package; Alternate Number
1994GMCG25005.7LV8N/Aw/ Rally Gauge Package; Alternate Number
1994GMCG3500Extended Cargo Van4.3LV6N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Standard Cargo Van4.3LV6N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Cutaway Van5.7LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Extended Cargo Van6.5LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Standard Cargo Van6.5LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Extended Cargo Van7.4LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1994GMCG3500Standard Cargo Van7.4LV8N/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1993BuickCenturyN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1992BuickCenturyN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1991BuickLeSabreN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
1990ChevroletP30N/ADash Mounted Switch
1990GMCP3500N/ADash Mounted Switch
1989ChevroletP20N/A
1989ChevroletP30N/A
1989GMCP2500N/ADash Mounted Switch
1989GMCP3500N/ADash Mounted Switch
1988ChevroletP20N/A
1988ChevroletP30N/A
1988GMCP2500N/ADash Mounted Switch
1988GMCP3500N/ADash Mounted Switch
1987ChevroletP20N/A
1987ChevroletP30N/A
1987GMCP2500N/ADash Mounted Switch
1987GMCP3500N/ADash Mounted Switch
1986ChevroletP20N/A
1986ChevroletP30N/A
1986GMCP2500N/ADash Mounted Switch
1986GMCP3500N/ADash Mounted Switch
1985ChevroletP20N/A
1985ChevroletP30N/A
1985GMCP2500N/ADash Mounted Switch
1985GMCP3500N/ADash Mounted Switch
1984ChevroletP20N/A
1984ChevroletP30N/A
1984GMCP2500N/ADash Mounted Switch
1984GMCP3500N/ADash Mounted Switch
1983ChevroletP20N/A
1983ChevroletP30N/A
1983GMCP2500N/ADash Mounted Switch
1983GMCP3500N/ADash Mounted Switch
1982ChevroletP20N/A
1982ChevroletP30N/A
1982GMCP2500N/ADash Mounted Switch
1982GMCP3500N/ADash Mounted Switch
1981BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1981ChevroletG10N/A
1981ChevroletG20N/A
1981ChevroletG30N/A
1981ChevroletP20N/ADash Mounted Switch
1981ChevroletP30N/A
1981GMCG1500N/A
1981GMCG2500N/A
1981GMCG3500N/A
1981GMCP2500N/ADash Mounted Switch
1981GMCP3500N/ADash Mounted Switch
1980BuickLeSabreN/ABlack; 10 Term. Female; Alternate Number
1980BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1980ChevroletCapriceN/ABlack; 10 Term. Female; Alternate Number
1980ChevroletG10N/A
1980ChevroletG20N/A
1980ChevroletG30N/A
1980ChevroletP10N/ADash Mounted Switch
1980ChevroletP20N/Aw/ Dash Mounted Switch
1980ChevroletP30N/ADash Mounted Switch
1980GMCG1500N/A
1980GMCG2500N/A
1980GMCG3500N/A
1980GMCP1500N/ADash Mounted Switch
1980GMCP2500N/ADash Mounted Switch
1980GMCP3500N/ADash Mounted Switch
1979BuickLeSabreN/ABlack; 10 Term. Female; Alternate Number
1979BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1979ChevroletCapriceN/ABlack; 10 Term. Female; Alternate Number
1979ChevroletG10N/A
1979ChevroletG20N/A
1979ChevroletG30N/ADash Mounted Switch
1979ChevroletP10N/A
1979ChevroletP20N/A
1979ChevroletP30N/A
1979GMCC1500 SuburbanN/ADash Mounted Switch
1979GMCC2500 SuburbanN/ADash Mounted Switch
1979GMCJimmyN/ADash Mounted Switch
1979GMCK1500 SuburbanN/ADash Mounted Switch
1979GMCK2500 SuburbanN/ADash Mounted Switch
1979GMCP1500N/ADash Mounted Switch
1979GMCP2500N/ADash Mounted Switch
1979GMCP3500N/ADash Mounted Switch
1978BuickLeSabreN/ABlack; 10 Term. Female; Alternate Number
1978BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1978ChevroletCapriceN/ABlack; 10 Term. Female; Alternate Number
1978ChevroletG10N/ADash Mounted Switch
1978ChevroletG20N/ADash Mounted Switch
1978ChevroletG30N/ADash Mounted Switch
1978ChevroletP10N/A
1978ChevroletP20N/A
1978ChevroletP30N/A
1978GMCG15N/ADash Mounted Switch
1978GMCG25N/ADash Mounted Switch
1978GMCG35N/ADash Mounted Switch
1978GMCJimmyN/ADash Mounted Switch
1977BuickLeSabreN/ABlack; 10 Term. Female; Alternate Number
1977BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1977ChevroletCapriceN/ABlack; 10 Term. Female; Alternate Number
1977ChevroletG10N/ADash Mounted Switch
1977ChevroletG20N/ADash Mounted Switch
1977ChevroletG30N/ADash Mounted Switch
1977ChevroletP10N/A
1977ChevroletP20N/A
1977ChevroletP30N/A
1977GMCG15N/ADash Mounted Switch
1977GMCG25N/ADash Mounted Switch
1977GMCG35N/ADash Mounted Switch
1977GMCJimmyN/ADash Mounted Switch
1976BuickLeSabreN/ABlack; 10 Term. Female; Alternate Number
1976BuickRegalN/ABlack; 10 Term. Female; Alternate Number
1976ChevroletCapriceN/ABlack; 10 Term. Female; Alternate Number
1976ChevroletG10N/ADash Mounted Switch
1976ChevroletG20N/ADash Mounted Switch
1976ChevroletG30N/ADash Mounted Switch
1976ChevroletP10N/A
1976ChevroletP20N/A
1976ChevroletP30N/A
1976GMCG15N/ADash Mounted Switch
1976GMCG25N/ADash Mounted Switch
1976GMCG35N/ADash Mounted Switch
1976GMCJimmyN/ADash Mounted Switch
1975ChevroletG10N/ADash Mounted Switch
1975ChevroletG20N/ADash Mounted Switch
1975ChevroletG30N/ADash Mounted Switch
1975ChevroletP10N/A
1975ChevroletP20N/A
1975ChevroletP30N/A
1975GMCG15N/ADash Mounted Switch
1975GMCG25N/ADash Mounted Switch
1975GMCG35N/ADash Mounted Switch
1975GMCJimmyN/ADash Mounted Switch
1974GMCG15/G1500 VanN/ADash Mounted Switch
1974GMCG25/G2500 VanN/ADash Mounted Switch
1974GMCG35/G3500 VanN/ADash Mounted Switch
1974GMCJimmyN/ADash Mounted Switch
1973GMCG15/G1500 VanN/ADash Mounted Switch
1973GMCG25/G2500 VanN/ADash Mounted Switch
1973GMCG35/G3500 VanN/ADash Mounted Switch
1973GMCJimmyN/ADash Mounted Switch
1972ChevroletBlazerN/A
1972ChevroletC10 SuburbanN/A
1972ChevroletC20 SuburbanN/A
1972ChevroletK10 SuburbanN/A
1972ChevroletK20 SuburbanN/A
1972GMCG15/G1500 VanN/ADash Mounted Switch
1972GMCG25/G2500 VanN/ADash Mounted Switch
1972GMCG35/G3500 VanN/ADash Mounted Switch
1972GMCJimmyN/ADash Mounted Switch
1971GMCG15/G1500 VanN/ADash Mounted Switch
1971GMCG25/G2500 VanN/ADash Mounted Switch
1971GMCG35/G3500 VanN/ADash Mounted Switch
1971GMCJimmyN/ADash Mounted Switch
1970GMCG15/G1500 VanN/ADash Mounted Switch
1970GMCG25/G2500 VanN/ADash Mounted Switch
1970GMCG35/G3500 VanN/ADash Mounted Switch
1969ChevroletBlazerN/A
1969ChevroletC10 SuburbanN/A
1969ChevroletC20 SuburbanN/A
1969ChevroletK10 SuburbanN/A
1969ChevroletK20 SuburbanN/A
1969GMCG15/G1500 VanN/A
1969GMCG25/G2500 VanN/A
1968ChevroletC10 SuburbanN/A
1968ChevroletC20 SuburbanN/A
1968ChevroletK10 SuburbanN/A
1968ChevroletK20 SuburbanN/A
1968GMCG15/G1500 VanN/A
1968GMCG25/G2500 VanN/A
1967ChevroletC10 SuburbanN/A
1967ChevroletC20 SuburbanN/A
1967ChevroletK10 SuburbanN/A
1967ChevroletK20 SuburbanN/A
1967GMCG15/G1500 VanN/A
1967GMCG25/G2500 VanN/A
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DENSO Auto Parts — 221-3204Karlyn — 6421P127457-4721350-41788860519EC115PT298PTC1261