HomeElectrical, Lighting and Body > SwitchesStandard Ignition TCA-37 4WD Switch
Part #: TCA-37

Standard Ignition TCA-37 4WD Switch

5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford, F-150, F-250, and F-350
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Reliable 4WD Switch for Ford F-Series Trucks

The Standard Ignition TCA-37 4WD switch is designed to provide dependable control for the four-wheel drive system in Ford F-150, F-250, and F-350 models. Engineered with durable plastic construction and precise terminal configurations, this switch ensures consistent performance in demanding driving conditions.

  • Compatible with Ford F-150, F-250, and F-350 trucks
  • Black plastic finish for durability and corrosion resistance
  • Female connector gender for secure wiring connections
  • Four blade-type male terminals for reliable electrical contact
  • Includes a complete four-wheel actuator switch assembly

Product Features and Specifications

The TCA-37 4WD switch from Standard Ignition features a black plastic housing designed to withstand typical automotive environments. It includes a female connector interface and four male blade terminals, ensuring proper fit and electrical connectivity. This switch is specifically engineered for use in Ford F-Series trucks, including the F-150, F-250, and F-350, providing a direct replacement for factory-installed components. The four-terminal blade design supports stable signal transmission to the vehicle’s four-wheel drive actuator system.

Applications and Problem Resolution

This 4WD switch is used to control the engagement of the four-wheel drive system in compatible Ford trucks. It addresses several common issues, including:

  • Intermittent or non-responsive 4WD activation
  • Electrical connection failures due to worn or damaged terminals
  • Switch housing damage affecting operation
  • Corrosion-related switch malfunction
  • Replacement of faulty or broken four-wheel actuator switches

Installation Notes and Tips

When installing the Standard Ignition TCA-37 4WD switch, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the connector gender and terminal type match the vehicle’s wiring harness. Carefully align the four blade terminals to the corresponding connectors to avoid damage. It is recommended to inspect the wiring harness for wear or corrosion during installation and replace any compromised components to maintain system integrity.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The TCA-37 4WD switch undergoes rigorous quality control testing to maintain performance standards. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region or distributor.

BrandStandard Ignition
Part NumberTCA-37
ColorBlack
Connector GenderFemale
ContentsFour Wheel Actuator Switch
FinishPlastic
Terminal GenderMale
Terminal TypeBlade

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
1998FordF-150N/A
1998FordF-250N/A
1997FordF-150N/A
1997FordF-250N/A
1997FordF-350N/A

* 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:

1S363453-20707F65Z14B166AAFWA122FWD49SW3920

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