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Home >> GMC >> 1992 >> Yukon V8-350 5.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Diagrams >> Harness Connector
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Harness Connector

ECM without 4L80-E (1 Of 2):



ECM without 4L80-E (2 Of 2):



PCM With 4L80-E (1 Of 2):



PCM With 4L80-E (1 Of 2):



Powertrain Control Module (PCM) Pinouts:



Powertrain Control Module (PCM) Pinouts:



Electronic Control Module (ECM) Pinouts:



Electronic Control Module (ECM) Pinouts:



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