Trying to figure out what transfer case I have.

[Godfather240sx]

I have a 76 K5 blazer that I'm getting ready to fix up and get back on the road. It has a 350 and an auto trans. I have read some of the other treads to see if it will help me figure out my transfer case but they have not helped. The thing that's different from all the transfer cases I have heard discribed in the other threads is the shift patern. Starting the whole way front and working back it has L LOC - L - N - H - H LOC. I'm guessing that the L and H LOC would by low and high four wheel drive and the L and H would be low and high two wheel drive, is that correct? The Trans is shot and I'm checking prices to rebuild or replace it. If I replace it I want to find a Trans that will work with this transfer case.

Thanks in advance for any help you can give.
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