1990 c3500 pcm pin-out

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7beast

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Hey fellas I need help if anybody has the correct pcm connector pin-out for my 1990 c3500 with 5.7/th400 drivetrain.. The original engine wire harness is missing some clips and I want to make sure I can identify them. If some can please help thanks
 

PlayingWithTBI

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This may help
www.gmt400.com/threads/88-98-service-manuals.43575/

 

7beast

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