Our coach is built on a 2016 RAM Promaster 3500 with a Pentastar 3.6L V6.   The default idle speed is about 900RPM.  This kit allows you to adjust the idle speed to as high as 2000 RPM.  I ended up selecting an idle speed of 1600 RPM after monitoring the alternator, water and oil temperatures at settings between 1500 and 2000. I’ve noticed an increased output of about 85 amps each from both ourLearn More