C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

OBD1 to OBD2 Cable

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Old 12-04-2014, 03:50 PM
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Rx7Rob
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Default OBD1 to OBD2 Cable

Has anyone used one of these?

I already have the OBD2 to USB cable. OBD1 to OBD2 cables are much cheaper than the OBD1 to USB.

Thanks

Rob
Old 12-04-2014, 05:08 PM
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LT1_383
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Hi Rob-
The cable you linked to is for OBD2 cars. 1995 Corvettes came with an OBD2 connector but were really OBD1 protocol. The communications protocol is drastically different between OBD1 and OBD2. I don't think you can use an OBD2 to OBD1 adapter and get there. Very few scanners support both GM OBD1 and OBD2. I know Actron has one.
Old 12-04-2014, 09:16 PM
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Rx7Rob
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Ah, too bad. Thought I could get away cheap!
Old 12-17-2014, 11:54 AM
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K7MXE
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Default Getting away cheap

I guess my plan was to get away cheap too.
I have a OBD2 tester and a 94 Corvette. I would like to know if I have any codes. Even tho I have a OBD2 port can I jumper it and read the flashing lights. I am real green on what to do but want to learn what works.
Old 12-17-2014, 10:32 PM
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Cliff Harris
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Originally Posted by K7MXE
I would like to know if I have any codes. Even tho I have a OBD2 port can I jumper it and read the flashing lights. I am real green on what to do but want to learn what works.
See this link:

http://corvettephotographs.com/c4vettes/codes.htm
Old 12-18-2014, 05:18 AM
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K7MXE
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Thanks I will give that a try. I have no check engine warnings however so do not expect much.

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