![Bought this truck (ford f350 7.3l powerstroke) and it has these 2 switches/knobs that aren't marked and im not sure what they do. Any ideas? : r/MechanicAdvice Bought this truck (ford f350 7.3l powerstroke) and it has these 2 switches/knobs that aren't marked and im not sure what they do. Any ideas? : r/MechanicAdvice](https://i.redd.it/92oocryoh2l41.jpg)
Bought this truck (ford f350 7.3l powerstroke) and it has these 2 switches/knobs that aren't marked and im not sure what they do. Any ideas? : r/MechanicAdvice
![BangShift.com Question of the Day: What is the Most Annoying Thing That People Do At Car Shows? - BangShift.com BangShift.com Question of the Day: What is the Most Annoying Thing That People Do At Car Shows? - BangShift.com](https://bangshift.com/wp-content/uploads/2012/05/truck-smoke.jpg)
BangShift.com Question of the Day: What is the Most Annoying Thing That People Do At Car Shows? - BangShift.com
![2001-2004 GM 6.6L Duramax LB7 BD-Power 1036600 High Idle Switch – Carson Stauffer Diesel Performance LLC. 2001-2004 GM 6.6L Duramax LB7 BD-Power 1036600 High Idle Switch – Carson Stauffer Diesel Performance LLC.](https://cdn.shopify.com/s/files/1/0806/9455/products/Duramax_Hi_Idle_580x.jpg?v=1434120508)