Turbo Vane Position Sensor Adapter Harness – LLY Duramax (2004.5–2005)
Easily upgrade your LLY Duramax turbo system with this Turbo Vane Position Sensor Adapter Harness, specifically designed to adapt the 3-pin LLY wiring harness to the 4-pin vane position sensor found on later-model variable geometry turbos (e.g., LBZ/LMM VGT actuators).
Whether you're retrofitting an updated turbocharger or replacing a damaged sensor, this plug-and-play adapter makes the job clean, fast, and reliable—no cutting, splicing, or wiring guesswork required.
Key Features:
- Designed for 2004.5–2005 Chevy/GMC 6.6L LLY Duramax
- Adapts factory 3-pin LLY connector to newer 4-pin vane position sensors (LBZ/LMM-style)
- Plug-and-play solution—no tuning changes required
- OEM-grade connectors for a secure, weatherproof connection
- Heat- and abrasion-resistant loom for long-term durability
Ideal For:
- Turbo upgrades (e.g., swapping to an LBZ or LMM VGT turbo)
- Converting to updated vane position sensor designs
- Repairing worn or damaged factory connectors
This harness adapter is trusted by diesel performance shops and DIY builders alike for simplifying VGT sensor upgrades while maintaining OEM reliability.
All items are tested and inspected before shipping. However, this product is sold without a warranty. Please verify fitment and compatibility prior to purchase.
