LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

OBD1 w/OBD2 Plug

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Old Jan 14, 2005 | 04:36 PM
  #1  
99BlackTA's Avatar
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From: Memphis, TN
OBD1 w/OBD2 Plug

I am curious on how exactly a person can check their engine light codes on a car that has an OBD1 computer but a OBD2 diagnostic plug port. The regular OBD2 computer diagnostic system won't work and I believe the OBD1 "paperclip" checking method won't work either. I did a search but couldn't really find exactly what I need to do...

PS: Isn't 95 the only year with this problem??
Old Jan 14, 2005 | 04:38 PM
  #2  
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Re: OBD1 w/OBD2 Plug

I bought a interface plug that is OBD 2 in style but wired for OBD1 , it was made by AKM electronics.
Old Jan 14, 2005 | 04:41 PM
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Re: OBD1 w/OBD2 Plug

You need an OBD-I scanner. If you get an AutoXray, they sell an optional 16-pin connector so it works with your 95. If you get some other brand, Shoebox has a diagram on his Tech Pages showing the interface that will allow it to work. The ScanMaster doesn't even have a connector, and can easilly be wired to a 95. TTS DataMaster or FreeScan will run on your laptop, with the AKM cable mentioned above.

The last year you could use the "short the pins" method was 1993.
Old Jan 14, 2005 | 04:44 PM
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Re: OBD1 w/OBD2 Plug

Well I work up at autozone and finally someone came in the a 95 f-body and I told them off the bat that we couldn't check it but then he asked exactly how he could have it checked. I do have a scanmaster in my car but I am not about to take it outta my car and install it in his just to check his codes!

Thanks for the help. I learn something knew from you guys everyday!
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