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Anyone know what the brown wire (ECU connector pin 87) goes to?

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Old Feb 11, 2012 | 06:32 PM
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Jetfixrguy's Avatar
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Anyone know what the brown wire (ECU connector pin 87) goes to?

2003 EVO 8

ECU connector pin # 87 it is a brown insulation color and silver stranded wire, I think it is a ground but not sure, anyone know for sure?

Last edited by Jetfixrguy; Feb 17, 2012 at 09:57 PM.
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Old Feb 12, 2012 | 09:28 AM
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I can't help on wire color, and according to this pin #87 is not used. Hopefully this diagram helps though ( and assuming it's for your VIII);
http://www.roadraceengineering.com/e...-ecuwiring.htm
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Old Feb 12, 2012 | 12:24 PM
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Thanks man. That's the same page I have also. My car had an AEM in it and since I removed it, this is the only wire that doesn't appear to go somewhere.
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Old Feb 17, 2012 | 09:26 AM
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Anyone else know?
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Old Feb 17, 2012 | 12:57 PM
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I went through the '03 service manual wiring diagrams one evening trying to answer your question. No joy.
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