Hello im new to the forum and i hope u guys can help me. So i got 2004 mazda 3 2.3 and the problem was that i had to change the crankshaft so i replace it and to my surprise the car would not start i started looking into it and found out that the pcm is not grounded and the pcm is good had it checked. So Can u guys tell me the locations of the pcm grounds to check them all. Thank you
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