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Standard Ignition TS-346 Engine Cooling Fan Switch
| Brand | Standard Ignition TS-346 |
|---|---|
| Color | Black |
| Connector Gender | Female |
| Connector Type | Plug In |
| Finish | Brass, Plastic |
| Terminal Type | Blade |
| Fits | Toyota and Lexus · 11 vehicles |
Plug-in design. Simplifies installation with a single oval connector.
Metal housing. Brass and plastic finish adds durable protection.
Toggle actuation. Provides reliable switching for the cooling fan circuit.
Cross-references Standard Ignition TS-346, 8942824010 and SW1433 for the same application. See all 5.
Engine Cooling Fan Switch for Toyota and Lexus
Standard Ignition TS-346 is an engine cooling fan switch with a plug-in attachment method, 12-volt operation, and a 16 mm x 1.50 thread size. It uses a female oval connector with two male blade terminals and an open-at-idle switch design for direct replacement service on select Toyota Supra and Lexus GS300 applications.
Key Features
- Engine cooling fan switch for temperature-based fan control
- Plug-in connector design with one oval female connector
- 12V electrical specification for automotive cooling systems
- 16 mm x 1.50 threaded mounting interface
- Metal housing with brass and plastic finish details
- Open at idle switch actuation style
- Standard Ignition TS-346 replacement part
Detailed Description
Standard Ignition TS-346 is built for vehicles that use a threaded engine cooling fan switch with a plug-in electrical connection. The oval connector, two blade terminals, and 12-volt rating support straightforward replacement in cooling fan control circuits. This part is listed for 1993-1998 Toyota Supra and 1993-1997 Lexus GS300, making it a direct-fit option for owners searching for a Toyota Supra cooling fan switch or Lexus GS300 engine cooling fan switch by part number TS-346.
This part cross-references Standard Ignition TS-346 for the same application.
What It Helps Address
- Cooling fan not switching on at the proper temperature
- Intermittent fan operation caused by a worn switch
- Electrical connection issues at the fan switch terminal interface
- Replacement needs for a damaged threaded coolant fan switch
- Restoring fan control on Toyota Supra and Lexus GS300 cooling systems
Installation Notes and Tips
Verify the 16 mm x 1.50 thread size, oval connector shape, and two-terminal blade layout before installation. Match the original connector style and mounting location on the cooling system, and inspect the harness connector for corrosion or looseness before plugging in TS-346. Confirm vehicle application by year and model: Fits 1993-1998 Toyota Supra, N/A; Fits 1993-1997 Lexus GS300, N/A.
Quality Assurance
Standard Ignition supplies replacement electrical and engine management components for service applications, and TS-346 follows the listed OE-style fitment and connector specifications for the vehicles shown.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Toyota | Supra | N/A | — |
| 1997 | Lexus | GS300 | N/A | — |
| 1997 | Toyota | Supra | N/A | — |
| 1996 | Lexus | GS300 | N/A | — |
| 1996 | Toyota | Supra | N/A | — |
| 1995 | Lexus | GS300 | N/A | — |
| 1995 | Toyota | Supra | N/A | — |
| 1994 | Lexus | GS300 | N/A | — |
| 1994 | Toyota | Supra | N/A | — |
| 1993 | Lexus | GS300 | N/A | — |
| 1993 | Toyota | Supra | N/A | — |
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