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The rear shaft has the grease updated slip joint but will fit on both ways. The front shaft will not obviously but the grease slip joint goes to the Diff side. What about the back? I thought I read it is the opposite and the slip joint ( see pic below) goes to the t-case output flange side???
****Doing some other work and have all sorts of rigged Fixes by the P.O. so just double checking shaft fit!

Thanks!