Shop with Blessed Performance for the PPE Diesel Fuel Rail Pressure Gauge Harness for your 2001-2010 GM 6.6L LB7/LLY/LBZ/LMM Duramax diesel. This harness eliminates the need to cut, splice or modify the stock harness when installing a rail pressure gauge by connecting to the rail pressure gauge to fuel rail (passenger side).
Highlights:
- Plug & Play Installation
- Allows For A Clean Look
- Eliminates Need to Modify Stock Harness