Dodge Cummins Bad Grid Heater Relay Diagnosis + Fix

Hey Everyone, Diagnosing these Relay's or Solenoid's whatever you want to call them is really easy and if they do not work your truck will have a really hard time starting. Hope this helps. Josh Schneids15 Cummins How To Ski doo 1200 Nv4500 King Quad 300 Share my Channel to help me grow and bring YOU better content:) If you have anyone that you think would like my channel please share by copying and pasting the link below! https://www.youtube.com/user/Schneids...