I bought the worst manual. No index. It shows pin 25 and 26 at the ecm but not which connector. Then it shows x125 connector but no location. https://workshopmanuals.org/product/gmc-yukon-workshop-manual-pdf/ WOW it stinks.
Does anyone have where the {can} wires terminate through wiring harness. I have 8 pages of fault codes active. Have u0020:00 u0078:00 u0140:00 u0170:00 u0155:00 u0073:00 u0140:00 etc. I haven't been working on cars in a long time other than steering and frond diff replacement. So having bad...
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