Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2010 Titan 5.6 Crank No Start › Reply To: 2010 Titan 5.6 Crank No Start June 14, 2020 at 8:38 pm #957475 the metal bisonParticipant The ecu relay, which is the ignition relay (I’ve found out) is working fine. I haven’t checked for the 5v reference yet