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Please check C1 #51 circuit 275 green/blue wire needs 12 volts with the clutch in.
One can override this setting in G1213.
Hope this helps, I still LOVE my Volvo LS2 conversion, it burns rubber like nothing I ever owned. Best pass 12.1 seconds 113mph. 25 MPG.
John
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Yup - C1 #51 circuit 275 green/blue wire needs 12 volts with the clutch in
Then - C1 #13 pulls ground to energize starter relay?
Does C1 #52 get 12 volts from the ignition switch in Start position?
Looking forward to wasting some rubber. Thanks.
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Yes, purple on GM is usually cranking voltage. Pink is 12 volts with key on. Also if you want the cruise to work you will need a GTO cruise control interface module that converts cruise switch to CAN language that the ECM can read.
John
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Also, as you mentioned the pin C3 #22 needs to be grounded for start. Where is this signal coming from on a GTO with a manual transmission? There is not TCM or Park/Neutral switch.
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Good question. I would think it would be blank as long as the ECM is flashed for a M6 calibration. I do have an 06 GTO I can check later.
John
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Success. The tuner who removed the VATS did not apply the patch. With my own copy of EFI Live I was able to do that and it started immediately.
Thanks for the help along the way.
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