"Amp Research By Pass Kit"
David Petros on 5/13/2014 5:04:55 PM
Review: Ok, so I bought the new plug and play powerstep for my 2015 Chevy 1500. I had no idea what this By pass was for until I had to discount my monitor. Now I can use both OBD's port to power my step and watch my RPM's. Electricstep.com, you guys are the best.