HomeDriveline and Axles > DifferentialStandard Ignition TCA-1 4WD Actuator
Part #: TCA-1

Standard Ignition TCA-1 4WD Actuator

⚙️ 119 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, Yukon, Blazer, V1500 Suburban, V2500 Suburban, V3500, Jimmy, S15 Jimmy, V10 Suburban, V20 Suburban, and V30
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Reliable 4WD Actuator for Chevrolet and GMC Vehicles

The Standard Ignition 4WD actuator (part number TCA-1) is designed to restore proper four-wheel drive functionality in select Chevrolet and GMC models. Engineered with precise connector and terminal specifications, this actuator ensures seamless integration and reliable performance.

  • Compatible with Chevrolet Blazer, Jimmy, K1500, K2500, K3500, Tahoe, Yukon, and various Suburban models
  • Features a male oval connector for secure electrical connection
  • Includes a 10.25-inch harness length for optimal fitment
  • Equipped with two male pin terminals for reliable signal transmission
  • Contains one four wheel drive actuator unit per package

Technical Details and Specifications

The Standard Ignition TCA-1 4WD actuator is built with a male oval connector shape, providing a secure and precise fit to the vehicle’s wiring harness. The harness length measures 10.25 inches, allowing for proper routing and installation within the driveline system. This actuator includes two male pin terminals, which facilitate consistent electrical contact and signal flow necessary for engaging the four-wheel drive system. Designed specifically for Chevrolet and GMC trucks and SUVs, this part supports models such as the Blazer, Jimmy, K1500 series, Tahoe, Yukon, and multiple Suburban variants including V10, V20, V30, V1500, V2500, and V3500.

Common Applications and Problem Resolution

  • Restores four-wheel drive engagement in Chevrolet and GMC trucks and SUVs
  • Resolves issues with 4WD actuator failure or intermittent operation
  • Addresses electrical connection problems due to worn or damaged connectors
  • Eliminates driveline actuator malfunctions causing 4WD system warning lights
  • Improves reliability of 4WD system activation under various driving conditions

Installation Notes and Tips

When installing the Standard Ignition TCA-1 4WD actuator, ensure the male oval connector aligns properly with the vehicle’s harness to avoid damage to terminals. Verify the 10.25-inch harness length is sufficient for your specific model’s routing requirements. It is recommended to inspect the wiring and connectors for corrosion or damage before installation. Proper torque specifications should be followed to secure the actuator without over-tightening. Consult the vehicle’s service manual for detailed installation procedures and safety precautions.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring dependable performance and durability. The TCA-1 4WD actuator undergoes rigorous quality control testing to verify electrical and mechanical integrity. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use. For specific warranty terms and conditions, refer to the product documentation or contact the manufacturer directly.

BrandStandard Ignition
Part NumberTCA-1
Connector GenderMale
Connector ShapeOval
ContentsFour Wheel Drive Actuator
Harness Length - inches10.25
Terminal GenderMale
Terminal TypePins

This part fits 119 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
1996ChevroletK15004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996ChevroletK1500 Suburban4WDN/ATo 12/95; OE Type; 2 Pin Term.
1996ChevroletK25004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996ChevroletK2500 Suburban4WDN/ATo 12/95; OE Type; 2 Pin Term.
1996ChevroletK35004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996ChevroletTahoe4WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCK15004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCK1500 Suburban4WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCK25004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCK2500 Suburban4WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCK35004WDN/ATo 12/95; OE Type; 2 Pin Term.
1996GMCYukon4WDN/ATo 12/95; OE Type; 2 Pin Term.
1995ChevroletK15004WDN/AOE Type; 2 Pin Term.
1995ChevroletK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1995ChevroletK25004WDN/AOE Type; 2 Pin Term.
1995ChevroletK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1995ChevroletK35004WDN/AOE Type; 2 Pin Term.
1995ChevroletTahoe4WDN/AOE Type; 2 Pin Term.
1995GMCK15004WDN/AOE Type; 2 Pin Term.
1995GMCK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1995GMCK25004WDN/AOE Type; 2 Pin Term.
1995GMCK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1995GMCK35004WDN/AOE Type; 2 Pin Term.
1995GMCYukon4WDN/AOE Type; 2 Pin Term.
1994ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1994ChevroletK15004WDN/AOE Type; 2 Pin Term.
1994ChevroletK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1994ChevroletK25004WDN/AOE Type; 2 Pin Term.
1994ChevroletK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1994ChevroletK35004WDN/AOE Type; 2 Pin Term.
1994GMCK15004WDN/AOE Type; 2 Pin Term.
1994GMCK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1994GMCK25004WDN/AOE Type; 2 Pin Term.
1994GMCK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1994GMCK35004WDN/AOE Type; 2 Pin Term.
1994GMCYukon4WDN/AOE Type; 2 Pin Term.
1993ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1993ChevroletK15004WDN/AOE Type; 2 Pin Term.
1993ChevroletK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1993ChevroletK25004WDN/AOE Type; 2 Pin Term.
1993ChevroletK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1993ChevroletK35004WDN/AOE Type; 2 Pin Term.
1993GMCK15004WDN/AOE Type; 2 Pin Term.
1993GMCK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1993GMCK25004WDN/AOE Type; 2 Pin Term.
1993GMCK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1993GMCK35004WDN/AOE Type; 2 Pin Term.
1993GMCYukon4WDN/AOE Type; 2 Pin Term.
1992ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1992ChevroletK15004WDN/AOE Type; 2 Pin Term.
1992ChevroletK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1992ChevroletK25004WDN/AOE Type; 2 Pin Term.
1992ChevroletK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1992ChevroletK35004WDN/AOE Type; 2 Pin Term.
1992GMCK15004WDN/AOE Type; 2 Pin Term.
1992GMCK1500 Suburban4WDN/AOE Type; 2 Pin Term.
1992GMCK25004WDN/AOE Type; 2 Pin Term.
1992GMCK2500 Suburban4WDN/AOE Type; 2 Pin Term.
1992GMCK35004WDN/AOE Type; 2 Pin Term.
1992GMCYukon4WDN/AOE Type; 2 Pin Term.
1991ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1991ChevroletK15004WDN/AOE Type; 2 Pin Term.
1991ChevroletK25004WDN/AOE Type; 2 Pin Term.
1991ChevroletK35004WDN/AOE Type; 2 Pin Term.
1991ChevroletV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1991ChevroletV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1991ChevroletV35004WDN/AOE Type; 2 Pin Term.
1991GMCJimmy4WDN/AOE Type; 2 Pin Term.
1991GMCK15004WDN/AOE Type; 2 Pin Term.
1991GMCK25004WDN/AOE Type; 2 Pin Term.
1991GMCK35004WDN/AOE Type; 2 Pin Term.
1991GMCS15 Jimmy4WDN/AOE Type; 2 Pin Term.
1991GMCV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1991GMCV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1991GMCV35004WDN/AOE Type; 2 Pin Term.
1990ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1990ChevroletK15004WDN/AOE Type; 2 Pin Term.
1990ChevroletK25004WDN/AOE Type; 2 Pin Term.
1990ChevroletK35004WDN/AOE Type; 2 Pin Term.
1990ChevroletV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1990ChevroletV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1990ChevroletV35004WDN/AOE Type; 2 Pin Term.
1990GMCJimmy4WDN/AOE Type; 2 Pin Term.
1990GMCK15004WDN/AOE Type; 2 Pin Term.
1990GMCK25004WDN/AOE Type; 2 Pin Term.
1990GMCK35004WDN/AOE Type; 2 Pin Term.
1990GMCS15 Jimmy4WDN/AOE Type; 2 Pin Term.
1990GMCV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1990GMCV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1990GMCV35004WDN/AOE Type; 2 Pin Term.
1989ChevroletBlazer4WDN/AOE Type; 2 Pin Term.
1989ChevroletK15004WDN/AOE Type; 2 Pin Term.
1989ChevroletK25004WDN/AOE Type; 2 Pin Term.
1989ChevroletK35004WDN/AOE Type; 2 Pin Term.
1989ChevroletV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1989ChevroletV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1989ChevroletV35004WDN/AOE Type; 2 Pin Term.
1989GMCJimmy4WDN/AOE Type; 2 Pin Term.
1989GMCK15004WDN/AOE Type; 2 Pin Term.
1989GMCK25004WDN/AOE Type; 2 Pin Term.
1989GMCK35004WDN/AOE Type; 2 Pin Term.
1989GMCS15 Jimmy4WDN/AOE Type; 2 Pin Term.
1989GMCV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1989GMCV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1989GMCV35004WDN/AOE Type; 2 Pin Term.
1988ChevroletK15004WDN/AOE Type; 2 Pin Term.
1988ChevroletK25004WDN/AOE Type; 2 Pin Term.
1988ChevroletK35004WDN/AOE Type; 2 Pin Term.
1988ChevroletV10 Suburban4WDN/AOE Type; 2 Pin Term.
1988ChevroletV20 Suburban4WDN/AOE Type; 2 Pin Term.
1988ChevroletV304WDN/AOE Type; 2 Pin Term.
1988GMCJimmy4WDN/AOE Type; 2 Pin Term.
1988GMCK15004WDN/AOE Type; 2 Pin Term.
1988GMCK25004WDN/AOE Type; 2 Pin Term.
1988GMCK35004WDN/AOE Type; 2 Pin Term.
1988GMCV1500 Suburban4WDN/AOE Type; 2 Pin Term.
1988GMCV2500 Suburban4WDN/AOE Type; 2 Pin Term.
1988GMCV35004WDN/AOE Type; 2 Pin Term.
1987ChevroletV304WDN/AOE Type; 2 Pin Term.

* 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:

15569735191423642-FWDA157-2001600-10060022717F2001ATS10FWD10FWD12FWD12SBFWDA1SW2084TCA1T

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