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Hey,
I just bought my first 7.3 and it is throwing a P0683 GPCM to PCM code. I already replaced the GPCM and the code returned about 20 miles after installing. I looked at the pigtail connectors and noticed it was missing a wire on the 8th input. I compared it to ones I found online and it seems all have 7 wires per connector, mine only has 6 (only on the black connector). The backside appears to be plugged (which looks factory?) so I'm doubting if a wire even belongs there. Is this standard on all 7.3's? All the connectors I've found online all have 7 wires, so I'm stumped. Any help is greatly appreciated! Thank you.

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