Fish CSP5 5-Position Rotary Switch for 06-16 5.9L 6.7L Dodge Cummins, Black, Automatic

The tune must be setup for the switch This switch plugs into the OBDII port and provides pass-thru for connecting additional devices like amp power steps. Detachable Circuit Board For Easy Installation LED Light To Verify Correct Install Mount where you would like it! Changes tunes on the fly! (Custom EFI Live CSP Maps Required). International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Detachable Circuit Board For Easy Installation LED Light To Verify Correct Install Mount where you would like it Changes tunes on the fly (Custom EFI Live CSP Maps Required)