I agree although I can't be certain due to them being on separate wiring. Dealt with many a 5v shorting open and short to power, serial data shorting...
Did someone shove a paperclip in the ECM connector, to test this circuit? If so, its possible they spread the pin. I've seen that more times than you...
I got you. Once I get the flex fuel sensor on it it will tell me ethanol percentage. Forgive my ignorance but how will knowing my ethanol percentage...