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Standard Ignition TCA166 4WD Switch
| Brand | Standard Ignition TCA166 |
|---|---|
| Color/Finish | Black |
| Contents | 1 switch |
| Finish | Plastic |
| Terminal Gender | Female + male |
| Terminal Quantity | 9; 3 |
| Terminal Type | Pin plug |
| Fits | Jeep · 9 vehicles |
OE-style replacement. Matches the original switch layout for straightforward electrical service.
Pin-plug terminals. Female and male connections support a secure harness interface.
Black plastic finish. Clean, service-ready appearance for interior electrical repair.
Cross-references 68141341AB, DASB10058 and FWD115 for the same application. See all 4.
4WD Selector Switch for Jeep Grand Cherokee
Restore control of the transfer case system with this Standard Ignition 4WD switch, part number TCA166. It is built with a black plastic finish and pin-plug terminals for a direct electrical connection in the dash control circuit.
Compatible with 2014-2022 Jeep Grand Cherokee selector switch applications, this replacement switch is a practical choice when the original control becomes worn, intermittent, or unresponsive. The TCA166 is also referenced by part number TCA166 for easy catalog matching.
Key Features
- Black finish for a clean OE-style appearance
- Plastic switch construction
- Female and male terminal design with pin-plug connection
- Terminal layout: 9 and 3 pins
- Standard Ignition replacement part number TCA166
Detailed Description
The Standard Ignition TCA166 4WD switch is a replacement electrical control component for the Jeep Grand Cherokee selector switch application. It is designed around the original terminal layout and connector style, helping maintain proper signal transfer between the switch and the vehicle’s 4WD control system. Use this part when the factory switch shows signs of wear, inconsistent engagement, or failed input response. The TCA166 part number is useful when verifying the correct replacement against existing catalog data or removed components.
Standard Ignition supplies electrical replacement parts for service and repair applications, and this switch follows that approach with a straightforward OE-style form factor and connector arrangement.
What It Is Used For
- Nonresponsive 4WD selector input
- Intermittent transfer case mode selection
- Worn or damaged dash switch assembly
- Electrical connection issues at the switch terminals
Installation Notes and Tips
Verify connector style, terminal count, and switch layout before installation. Match the removed unit to part number TCA166 and confirm the Jeep Grand Cherokee application listed above. Inspect the harness connector for corrosion or damaged pins before installing the replacement switch.
Quality Assurance
Standard Ignition is a recognized supplier of electrical service parts, and TCA166 is built to match the specified switch configuration for the listed application.
| Year | Make | Model | Notes |
|---|---|---|---|
| 2022 | Jeep | Grand Cherokee | Selector Switch |
| 2021 | Jeep | Grand Cherokee | Selector Switch |
| 2020 | Jeep | Grand Cherokee | Selector Switch |
| 2019 | Jeep | Grand Cherokee | Selector Switch |
| 2018 | Jeep | Grand Cherokee | Selector Switch |
| 2017 | Jeep | Grand Cherokee | Selector Switch |
| 2016 | Jeep | Grand Cherokee | Selector Switch |
| 2015 | Jeep | Grand Cherokee | Selector Switch |
| 2014 | Jeep | Grand Cherokee | Selector Switch |
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