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Old 01-31-2023, 01:03 PM   #10
MJN
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Location: Maquoketa, Ia/ Orr, Mn
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Re: Please help identify sender connection

Quote:
Originally Posted by kwmech View Post
The 203 transfer case made its debut IN 1973 and was in GM 1/2 and 3/4 tons trucks until 1979. Mostly behind automatics. The majority of the manual transmissions got the 205. But as always there were lots of variations
According to the GM vehicle info kits only the NP205 was available in 1973 making 1974 the first year for the NP203.
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