HomeDriveline and Axles > SwitchesStandard Ignition TCA-5 4WD Indicator Light Switch
Part #: TCA-5

Standard Ignition TCA-5 4WD Indicator Light Switch

⚙️ 20 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Suburban 1500, Tahoe, K2500, K3500, Yukon, S15 Jimmy, and V1500 Suburban
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Overview of Standard Ignition 4WD Indicator Light Switch

The Standard Ignition 4WD Indicator Light Switch (Part Number TCA-5) is designed for reliable operation in select Chevrolet and GMC vehicles. This switch features a white color finish and is engineered to work seamlessly with four wheel drive actuators, ensuring accurate 4WD system status indication.

  • Compatible with Chevrolet K2500, K3500, S15 Jimmy, Suburban 1500, Tahoe, V1500 Suburban, and GMC Yukon models
  • Includes a four wheel drive actuator for precise 4WD engagement feedback
  • Durable brass and plastic construction for long-lasting performance
  • Female connector and male blade terminals (2 terminals) for secure electrical connections
  • Part Number TCA-5 for easy identification and replacement

Product Features and Specifications

This 4WD indicator light switch is built with a white finish that complements the vehicle’s interior components. The switch includes a four wheel drive actuator, which is essential for signaling the engagement of the 4WD system. It features a female connector gender and two male blade terminals, providing a reliable electrical interface. The brass and plastic materials used in the construction offer resistance to corrosion and wear, suitable for the demanding environment of driveline components.

Compatible Vehicles and Applications

The Standard Ignition TCA-5 switch is compatible with a range of Chevrolet and GMC trucks and SUVs, including the Chevrolet K2500, K3500, S15 Jimmy, Suburban 1500, Tahoe, V1500 Suburban, and the GMC Yukon. This compatibility ensures that the switch integrates properly with the vehicle’s existing 4WD system, maintaining accurate indicator light functionality.

Common Issues Addressed by the 4WD Indicator Light Switch

  • Failure of the 4WD indicator light to illuminate or stay on
  • Intermittent or no signal from the 4WD actuator
  • Incorrect 4WD system status displayed on the dashboard
  • Electrical connection problems due to worn or damaged terminals
  • Corrosion or wear affecting switch performance

Installation Notes and Tips

  • Ensure the vehicle is turned off and the battery is disconnected before installation
  • Verify connector gender and terminal type match the vehicle’s wiring harness
  • Handle the brass and plastic components carefully to avoid damage
  • Check for secure and clean electrical connections to prevent signal loss
  • Consult the vehicle’s service manual for specific removal and installation procedures

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your Chevrolet or GMC 4WD system. The TCA-5 4WD Indicator Light Switch undergoes rigorous quality control to ensure durability and functionality. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberTCA-5
ColorWhite
Connector GenderFemale
ContentsFour Wheel Drive Actuator
FinishBrass, Plastic
Terminal GenderMale
Terminal TypeBlade

This part fits 20 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997ChevroletSuburban 15005.7LV8N/AFront axle 2-pin terminal compatibility.
1997ChevroletTahoe5.7LV8N/AFront axle 2-pin terminal compatibility.
1997ChevroletTahoe6.5LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK25007.4LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK25005.7LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK25006.5LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK35006.5LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK35007.4LV8N/AFront axle 2-pin terminal compatibility.
1997GMCK35005.7LV8N/AFront axle 2-pin terminal compatibility.
1997GMCYukon6.5LV8N/AFront axle 2-pin terminal compatibility.
1997GMCYukon5.7LV8N/AFront axle 2-pin terminal compatibility.
1990GMCS15 JimmyN/AFront Axle; From 1/89
1990GMCV1500 SuburbanN/AFront Axle
1989GMCS15 JimmyN/A2 Pin Term.
1989GMCV1500 SuburbanN/AFront Axle; From 1/89
1988GMCS15 JimmyN/A2 Pin Term.
1986GMCS15 JimmyN/A2 Pin Term.
1985GMCS15 JimmyN/A2 Pin Term.
1984GMCS15 JimmyN/A2 Pin Term.
1983GMCS15 JimmyN/A2 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:

157312991S386353-10606600-5036002936ATS33FWD18FWD20SW4138

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