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Thread: GMPP 376/480 Crank No start
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04-15-2022 #1
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- Apr 2022
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GMPP 376/480 Crank No start
I have had this truck running for a couple years it has cut off while driving a few times, then started back up after a few attempts. Now I cannot get it to start at all. It is throwing a 1682 code (ignition 1 circuit 2) I have tried a new battery (per someones advice) I have tried bypassing the ignition switch, checked all fuses and relays. I can't find a GMPP pinout for the e67 ecm used on this motor to test those. any help will be much appreciated.
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