SKU: HT-186508 | UPC: 9356450014786
Haltech NEXUS Rebel LS Gen III Knock Sensor Adaptor
The Haltech HT-186508 NEXUS Rebel LS Gen III Knock Sensor Adaptor is the best solution for integrating factory knock sensors on Gen III LS engines with Haltech NEXUS Rebel ECU systems. This adaptor harness ensures accurate knock detection and engine protection while maintaining clean wiring and full plug-and-play compatibility for LS swaps and performance builds.
Key Features
- Direct Integration: Connects Gen III LS knock sensors to NEXUS Rebel ECU knock inputs
- Factory Accuracy: Preserves OEM knock sensor signals for reliable detonation monitoring
- Plug-and-Play: Pre-terminated connectors for quick and clean installation
- Engine Protection: Enables full knock control strategies in Haltech tuning software
Specifications
| Specification | Detail |
|---|---|
| Part Number | HT-186508 |
| Compatibility | Haltech NEXUS Rebel ECU |
| Sensors Supported | Gen III LS Knock Sensors (2) |
| Connector Type | OEM-Style Plug-and-Play |
| Harness Length | Optimized for Engine Bay Routing |
| Country of Origin | Australia |
| Warranty | 1-Year Limited |
Product Notes
- Adaptor harness only – for Gen III LS engines (LM7, LQ4, LQ9, LS1, etc.) with NEXUS Rebel ECU
Installation Notes
- Estimated time: 30-60 minutes, easy difficulty, basic wiring tools required
- Plug factory knock sensor connectors into adaptor, route to Rebel ECU knock inputs
This Part Fits
| Application | Notes |
|---|---|
| Gen III LS Engines | w/ Haltech NEXUS Rebel ECU |
| Common Swaps | LS1/LQ4/LQ9 into Various Vehicles |
Why Choose Haltech?
- Australian leader in standalone ECU systems with proven LS engine support
- Premium harnesses designed for reliable sensor integration and tuning flexibility
- Comprehensive software for advanced knock control and engine protection
Frequently Asked Questions
- Q: Does it fit Gen IV LS engines?
A: No, specific to Gen III knock sensor connectors – Gen IV version available separately. - Q: Is the ECU included?
A: No, adaptor harness only – requires NEXUS Rebel ECU. - Q: Does it support both knock sensors?
A: Yes, dual-channel support for front and rear sensors. - Q: Is professional install needed?
A: No, plug-and-play design suitable for DIY with basic wiring knowledge.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official Haltech retail box





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