SR20 Redtop/Blacktop Control: Elite Adaptor for S13 & 180SX
The Nissan S13 and 180SX platforms are the icons of drift and street tuning, largely due to the legendary SR20DET engine. The Elite 1000/1500 Plug ‘n’ Play Adaptor Harness is designed to modernize the management of these engines, replacing the aging 8-bit factory computer with a powerful Haltech Elite ECU. This harness interfaces with the factory 64-pin ECU connector found on the S13 SR20DET (Redtop and Blacktop variants) and the 180SX. It provides a reliable, plug-in solution that eliminates the need for custom wiring, allowing for rapid deployment of advanced tuning strategies.
Engineering for the S13 Chassis
The S13’s electrical system is notoriously prone to age-related issues. This adaptor harness features new, high-quality connectors that ensure positive contact with the factory loom. It is engineered to support the SR20DET’s specific firing order and optical CAS signal, providing the Elite ECU with clean data for precise ignition timing. The harness allows for the seamless deletion of the factory MAF sensor, a common restriction in high-power builds, enabling a switch to Speed Density tuning via the included air temp sensor. Additionally, the auxiliary I/O plug provides easy access to add a boost trim knob, wideband controller, or additional pressure sensors.
Operational Benefits
By installing this adaptor, you gain the ability to fully control fuel and ignition maps, set up motorsport features like launch control and anti-lag, and protect the engine with advanced safety limits. The harness maintains the functionality of the factory tachometer and fuel pump relay. It is an essential component for any SR20DET swap or build aiming for reliability and tunability beyond the limits of a ROM-tuned factory ECU.
Fitment Guide
- Nissan Silvia S13: SR20DET (Redtop/Blacktop)
- Nissan 180SX: SR20DET
Technical Specifications
| Parameter | Specification |
|---|---|
| Supported ECU | Elite 1000 or Elite 1500 |
| Connector Type | 64-Pin S13/180SX Header |
| Transmission | Manual Only |
| Tuning Mode | Speed Density Ready |
Summary & Includes
Includes:
- 1 x Injection Molded Plug ‘n’ Play Adaptor Harness
- 1 x M14 x 1.5 Air Temp Sensor with matching plug and pins
- 1 x Auxiliary I/O 16 Pin Tyco plug and pins
Note: Manual transmission only.
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