For New Holland equipment with diagnosis button. Works with the TEXA Navigator. This is a diagnostic cable used to connect the TEXA Navigator adapter to New Holland vehicles series TM I and II. Certain New Holland equipment does not require computer to connect to vehicle to retrieve codes. This New Holland diagnosis button cable for the TM 2nd Series tractors is what this cable is for. At the rear PTO there will be a connector port, and this cable will connect to it. Simply press the button, and the blink codes will then flash on the driver display panel.