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    Need help with wiring

    I have a 2008 Tahoe with 5.3 and 4l60 transmission and I have a 2010 Tahoe with 5.3 and 6l80 transmission. I installed the 2010 engine and transmission with the wire harness. I changed the PCM and cluster. It cranks but the fuel pump is not turning on. There are some connectors I can't find...
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