Boomslang AEM EMS-4 Plug N Play Harness
2007–2010 Scion tC
BF14045
Overview:
The Boomslang AEM EMS-4 Plug N Play Harness is a precision-engineered solution designed specifically for the 2007 to 2010 Scion tC. This harness allows seamless integration of the powerful AEM EMS-4 engine management system with your vehicle’s factory ECU, eliminating the need for any wire splicing or complex modifications. Ideal for enthusiasts seeking advanced tuning capabilities while retaining factory functionality, this harness simplifies the upgrade process and ensures reliable performance.
By maintaining the factory ECU in place, the harness preserves essential vehicle functions such as dash gauges, air conditioning, and drive-by-wire throttle control. This plug-and-play design makes installation straightforward and reversible, saving time and protecting your vehicle’s original wiring.
Key Features:
The Boomslang AEM EMS-4 Plug N Play Harness offers a range of features that enhance tuning flexibility and vehicle integration:
- Direct plug-and-play compatibility with 2007–2010 Scion tC factory ECU
- Eliminates the need for wire splicing or permanent modifications
- Full control over fuel delivery and ignition timing via the AEM EMS-4 unit
- Factory ECU remains active to manage dash gauges, air conditioning, and drive-by-wire throttle
- USB connector integrated and ready for laptop tuning
- Factory check engine light disabled when possible to avoid false alerts
- Sub-harnesses fabricated by Boomslang—no core wiring harnesses required
- Supports aftermarket crank and cam angle sensors if needed for specific setups
- Easy to install and uninstall, preserving factory wiring integrity
- Free shipping and built to order with a 3-5 business day lead time
Construction & Design:
Crafted with high-quality materials and precision engineering, the Boomslang harness is designed to withstand the rigors of performance tuning and daily driving. The harness features durable connectors and wiring that meet or exceed OEM standards, ensuring reliable signal transmission and long-term durability. Boomslang’s in-house fabrication guarantees exact fitment and compatibility, eliminating guesswork and reducing installation errors.
The harness is engineered to integrate seamlessly with the AEM EMS-4 system, providing a clean and professional wiring solution that maintains the integrity of your vehicle’s electrical system.
Installation & Fitment:
Installation is straightforward thanks to the plug-and-play design tailored specifically for the 2007–2010 Scion tC. The harness connects directly between the factory ECU and the AEM EMS-4 unit without any cutting or splicing of factory wires. This approach reduces installation time and complexity, making it accessible for both professional tuners and experienced enthusiasts.
Some vehicle setups may require an aftermarket crank or cam angle sensor disc to fully utilize the EMS-4’s capabilities. The factory ECU remains in place to control non-engine management functions, ensuring that all original vehicle features continue to operate as intended.
What’s Included
- Boomslang AEM EMS-4 Plug N Play Harness (Part # BF14045)
- Pre-fabricated sub-harnesses for seamless integration
- USB connector wired and ready for tuning
- Installation instructions and support documentation
Ideal For:
This harness is perfect for Scion tC owners from model years 2007 through 2010 who want to upgrade to the AEM EMS-4 engine management system without sacrificing factory vehicle functions. It is especially suited for enthusiasts focused on precise fuel and ignition tuning, track day drivers, and those seeking a reliable, clean wiring solution that preserves the integrity of their vehicle’s original electrical system.
