This Lambda (Wideband O2) Sensor Bank 2 Pigtail is built to work with CORE ECU by HP Tuners. In combination with EFIConversions’ pigtail, this standalone ECU delivers superior control, performance, and customization options for Generation 3 and Gen 4 LS platforms. Whether you’re a professional or auto enthusiast, this pigtail will help you overcome the limits of factory ECUs for applications such as:
- Circuit & Drag Racing
- Rallying
- RestoMods
- Engine Swaps & Transplants
| CAVITY | WIRE | FUNCTION | OTHER END |
| 1 | 20 AWG RED | LAMBDA IP2 | CORE ECU C15 |
| 2 | 20 AWG YEL | LAMBDA VM2 | CORE ECU C16 |
| 3 | 18 AWG WHT | LAMBDA HEATER 2 | CORE ECU C26 |
| 4 | 18 AWG BRN | 12V IGNITION | 10A FUSE |
| 5 | 20 AWG DK GRN | LAMBDA IA2 | CORE ECU C22 |
| 6 | 20 AWG BLK | LAMBDA UN2 | CORE ECU C21 |
For use with Bosch wideband O2 sensor p/n 17025.
This Lambda (Wideband O2) Sensor pigtail meets or exceeds the quality within Original Equipment (OE) harnesses:
- Assembled with the same materials found on production engine harnesses.
- Terminals are crimped with production applicators and/or Rennsteig hand tools to exceed pull test requirements.
- Assembled in the USA