That is the shift patern for a NP203 Full time. The LOC is to lock a diferential in the transfercase. That case was used pretty heavy 73-79. In 80 they went to 205 then in 81 they went to the 208
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Grim-Reaper
70 Pontiac LeMans Sport Convertible, worlds longest resto in progress
Looking for 71-72 2wd Blazer or Jimmy Project
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