How to fix FuelTech Automobile Accessories FT450 unit that doesn’t turn on?
- RRodney PhillipsJul 29, 2025
If your FuelTech Automobile Accessories FT450 unit doesn’t turn on, take these steps: 1. Check the battery voltage. 2. Check the power and ground cables. 3. Check the Switched 12V cable. 4. Check the ECU harness cables.