Trans ecu no data 25 sec failure
Yesterday I was driving my new (to me) Alfa See Ya 2005 with a 350 C7 on a Freighliner chassis with an Allison 3000MH trans, nicely between 65-68 and suddenly speedo went to zero, cruise kicked out a...
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One thing all those devices have in common is that they all get their 12 VDC power from the IGNITION SOLENOID.
So, I would start by checking connections between ignition switch and ignition solenoid and the ignition solenoid itself.
An easy diagnostic is to turn on the dash HVAC fan (assuming it only runs with ignition on. If fan goes off along with everything else, you are zeroing in on the problem.
So, I would start by checking connections between ignition switch and ignition solenoid and the ignition solenoid itself.
An easy diagnostic is to turn on the dash HVAC fan (assuming it only runs with ignition on. If fan goes off along with everything else, you are zeroing in on the problem.
