jayno20 Profile Topics Started Replies Created Engagements Favorites Search replies: Forum Replies Created Viewing 1 post (of 1 total) Author Posts 08/04/2016 at 12:10 pm in reply to: JMS FuelMAX (GM) question #200 jayno20Participant Never mind, I got my answer from JMS themselves… “The green light on a gm unit is going to be on all the time, the unit is specially programmed for gm due to the fact that the gm cars have power to the fuel pump controller at all times.” Author Posts Viewing 1 post (of 1 total)