How To Plug in Your Engine Block Heater on a 3.0L Duramax Diesel | 2022 Refreshed GMC Sierra AT4

We will be showing you the best way to plug in your engine block heater on a 3.0L Duramax Diesel. This is our 2022 Refreshed GMC Sierra AT4 3.0L Duramax. Thanks for Watching!!! Please Like and Subscribe! Instagram @twiinsgarage 🔔 Subscribe for more content just like this:    / @twiinsgarage   Good Times - SENSHO