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What year cars have what connectors? Did GM put OBDI PCMs in OBDII connector cars?

April 26, 2017cars connector connectors GM obdi obdii pcms year

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What year cars have what connectors? Did GM put OBDI PCMs in OBDII connector cars?

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Thank you GM for making my life somewhat difficult. 😉 The year breakpoints for OBDII style connectors go: 1994+ Corvettes, 1995+ F-bodies, and 1996+ B-bodies. So, if you have one of these, you *need* the OBDII-style connector. If you have an earlier car, you’ll have the OBDI connector, and would need to order that cable. Again, I only deal in OBDI, but some cars have the OBDII-style connector. Plus, there’s a lot of people who are retrofitting OBDI PCMs in to their OBDII cars, and they’re using my OBDII style cable as well (with no problems!).