HomeElectrical, Lighting and Body > SwitchesStandard Ignition TCA-36 4WD Switch
Part #: TCA-36

Standard Ignition TCA-36 4WD Switch

⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, K2500, K3500, K1500, K1500 Suburban, K2500 Suburban, Tahoe, and Yukon
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Reliable 4WD Switch for Cadillac, Chevrolet, and GMC Vehicles

The Standard Ignition TCA-36 4WD switch is designed to provide dependable control for four-wheel drive systems in select Cadillac, Chevrolet, and GMC models. Engineered with durable plastic construction and precise blade terminals, this black actuator switch ensures consistent performance in demanding driving conditions.

Key Features of the Standard Ignition TCA-36 4WD Switch

  • Color: Black plastic finish for durability and corrosion resistance
  • Connector Gender: Female; female connectors for secure wiring connections
  • Terminal Gender: Male; male blade terminals for reliable electrical contact
  • Terminal Quantity: 8 and 3 terminals to match OEM specifications
  • Includes a four-wheel actuator switch for accurate 4WD engagement

Detailed Description and Compatibility

The Standard Ignition TCA-36 4WD switch is specifically designed to replace factory switches in various Cadillac, Chevrolet, and GMC trucks and SUVs. Compatible models include Cadillac Escalade, Chevrolet K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Tahoe, and GMC Yukon. The switch features a plastic housing with a black finish, ensuring resistance to wear and environmental factors. Its blade-type terminals and female connectors provide a secure and stable electrical connection, essential for proper four-wheel drive system operation.

Common Applications and Issues Addressed

  • Restores proper engagement of the four-wheel drive system
  • Replaces faulty or worn 4WD actuator switches causing intermittent 4WD operation
  • Eliminates electrical connection problems due to damaged terminals or connectors
  • Resolves dashboard 4WD indicator light malfunctions related to switch failure
  • Improves overall drivetrain control and vehicle safety in off-road or low-traction conditions

Installation Notes and Tips

  • Ensure vehicle battery is disconnected before installation to prevent electrical shorts
  • Verify connector and terminal compatibility with your specific vehicle model
  • Handle blade terminals carefully to avoid bending or damage during installation
  • Consult vehicle service manual for proper switch location and wiring diagrams
  • Test 4WD system operation after installation to confirm correct functionality

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The TCA-36 4WD switch undergoes rigorous quality control to ensure reliable performance. This part is backed by Standard Ignition's limited warranty, covering defects in material and workmanship under normal use. Refer to the warranty documentation for specific terms and conditions.

BrandStandard Ignition
Part NumberTCA-36
ColorBlack
Connector GenderFemale; Female
ContentsFour Wheel Actuator Switch
FinishPlastic
Terminal GenderMale; Male
Terminal TypeBlade

This part fits 26 vehicles. Search below:

YearMakeModelPositionNotes
2000CadillacEscaladeN/Aw/ automatic shift transfer case
2000ChevroletK2500N/Aw/ automatic shift transfer case
2000ChevroletK3500N/Aw/ automatic shift transfer case
2000GMCK2500N/Aw/ automatic shift transfer case
1999CadillacEscaladeN/Aw/ automatic shift transfer case
1999ChevroletK1500N/Aw/ automatic shift transfer case
1999ChevroletK1500 SuburbanN/Aw/ automatic shift transfer case
1999ChevroletK2500N/Aw/ automatic shift transfer case
1999ChevroletK2500 SuburbanN/Aw/ automatic shift transfer case
1999ChevroletK3500N/Aw/ automatic shift transfer case
1999ChevroletTahoeN/Aw/ automatic shift transfer case
1999GMCK1500N/Aw/ automatic shift transfer case
1999GMCK1500 SuburbanN/Aw/ automatic shift transfer case
1999GMCK2500N/Aw/ automatic shift transfer case
1999GMCK2500 SuburbanN/Aw/ automatic shift transfer case
1999GMCYukonN/Aw/ Auto Shift Transfer Case; Mounted Horizontally
1998ChevroletK1500N/Aw/ automatic shift transfer case
1998ChevroletK1500 SuburbanN/Aw/ automatic shift transfer case
1998ChevroletK2500N/Aw/ automatic shift transfer case
1998ChevroletK2500 SuburbanN/Aw/ automatic shift transfer case
1998ChevroletTahoeN/Aw/ automatic shift transfer case
1998GMCK1500N/Aw/ automatic shift transfer case
1998GMCK1500 SuburbanN/Aw/ automatic shift transfer case
1998GMCK2500N/Aw/ automatic shift transfer case
1998GMCK2500 SuburbanN/Aw/ automatic shift transfer case
1998GMCYukonN/Aw/ Auto Shift Transfer Case; Mounted Horizontally

* 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:

150271041S423553-207127307000901-130FWA121FWD48SW4507

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