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Hi all. I'm new here, and my first white here.
I buy my first Corvette, it is 1990 Coupe. And I'm in trouble. Car dont starting. No granking. Totally dead. I try to find ecm pinout but I don't find any. Ecm is 01227727 4-connector ecm. Have any body pinout for this ecm? Thanks.
I don't have a pinout for the ECM, but if you are getting power to anywhere else in the car, you may want to check to make sure VATS is not being triggered. Also, the starter relay may be the culprit if you can't hear the starter click. Do you know if the battery is okay?
Put your idiot light on the exciter wire of the starter and see if that even gets a signal. If it does, it is the starter. If not, go backwards from the starter till you find it.