np261 no power

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vipergtrdj

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I have a 2000 Silverado 4L80E swap, NP261 manual shift transfercase. Well I found that 4wd is not working, no dash light saying its in 4wd. Checked fuses with a test light and all are good. Checked for power at the 3wire switch on the transfercase and had no power there. Also checked for power at the front differential actuator and no power there either. I looked in my Haynes manual but did not see a wire diagram of the system. Can anyone help me on where to find power so I can get this figured out ?

Thanks
 
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