Fried ECM

halifaxhops said

12-13 tops that can do it also. 14.5 is way to high think the spec is 13.8 Did the ECU get hot?

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For the record, 14.5 is not "way high." The spec when warm used to be 13.8--14.2. So nominal 14V. 14.5 won't hurt anything electrical, it likely begin to make the battery "use water"