Nice hole cutting job there.
I have seen one FPCM go out in 7 years according to a FF. This was discovered after replacing the fuel pump and the vehicle still had the symptoms of a bad fuel pump. It is definitely rare. I also remember reading an article about FPCM that were not grounded. I don't remember what situation that caused, but it was repaired by connecting the factory ground to the L-bracket you described.
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Moderating everything now, let me know if I can help.
Originally Posted by the user formerly known as ZX3_Chick
You're special aren't you.