Need voltages for pins on ALDL OBD2 connector
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Need voltages for pins on ALDL OBD2 connector
I have a 69 camaro with an LS2 with a painless harness and some funky connector. It doesn't have an OBD2 connector. I want to see if I can swap this one out for an OBD2 style as I can't do any diagnostics with it. Can someone post the voltages for the pins. This connector has 4 wires.
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Thanks. Well I can't see the pcm from where it is mounted, but this connector only has 4 wires. I believe one is a ground, one is a +12v one is the CEL and I'm not sure about the 4th; something to the pcm I would guess. I want to check the voltages that I have now with what there should be for the obd2.
Last edited by Beeler422; 08-17-2016 at 07:45 AM.
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Thanks Steve. Pretty sure that's what I have. I'm thinking about ripping it all out and going with a obd2 pcm. This is a nightmare. I have a cel and can't figure out what the issue is.
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Thanks Steve. Any local auto places sell those readers or is it something I need to get online? All I've ever seen are obd readers. I'll for sure let you know if I swap it out.