OE Quality
60-Day Returns

Standard Ignition TC503 Trailer Connector Kit
Reliable Trailer Connector Kit for Lexus and Toyota Vehicles
The Standard Ignition TC503 Trailer Connector Kit provides a complete wiring solution designed specifically for Lexus and Toyota models such as the 4Runner and LX470. This kit includes all necessary connectors, terminals, and wires to ensure secure and efficient trailer electrical connections.
- Includes 6 push-in connectors with both female and male genders
- Comes with 16 terminals featuring blade and pin types
- Contains 12 wires suitable for vehicle and trailer side wiring
- Complete kit designed for trailer and vehicle side installation
- Compatible with Lexus 4Runner and Toyota LX470 models
Comprehensive Trailer Connector Kit Features
The TC503 kit from Standard Ignition is engineered to provide a reliable electrical connection between your vehicle and trailer. Featuring a combination of male and female connectors and terminals, this kit supports a 12-wire configuration to cover all necessary trailer lighting and electrical functions. The push-in connector type simplifies installation and ensures a secure fit, while the inclusion of both blade and pin terminal types offers versatility for various wiring setups. Designed for use on both the vehicle and trailer sides, this kit is tailored to meet the specific wiring requirements of Lexus 4Runner and Toyota LX470 models.
Applications and Problem Solving
- Restores faulty or damaged trailer wiring connections
- Replaces worn or corroded trailer connectors on Lexus 4Runner and Toyota LX470
- Facilitates trailer electrical system upgrades or custom wiring projects
- Ensures proper signal transmission for trailer lights and brakes
- Prevents electrical shorts and connection failures during towing
Installation Notes and Tips
- Verify vehicle compatibility with Lexus 4Runner or Toyota LX470 before installation
- Use proper crimping tools for blade and pin terminals to ensure secure connections
- Follow wiring diagrams specific to your vehicle and trailer for correct wire placement
- Inspect connectors for damage before installation to avoid future electrical issues
- Test all trailer lights and signals after installation to confirm functionality
Quality Assurance and Warranty
Standard Ignition manufactures the TC503 Trailer Connector Kit to meet industry standards for electrical components. The kit undergoes quality checks to ensure durability and reliable performance in automotive trailer applications. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects to provide confidence in the product's longevity and function.
| Brand | Standard Ignition |
|---|---|
| Part Number | TC503 |
| Connector Gender | Female; Male |
| Contents | Complete Kit |
| Terminal Gender | Male; Female |
| Terminal Type | Blade; Pin |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 2001 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 2000 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 1999 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 1998 | Lexus | LX470 | N/A | Adaptor Harness |
| 1998 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 1997 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
| 1996 | Toyota | 4Runner | N/A | Trailer Connector Kit; 4 Way Vehicle Connector |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.