2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

ECU question

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Old Mar 17, 2002 | 04:19 PM
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ECU question

well not the ECU exactly i need to know which wire going into the ECU is the one from the O2 sensor. any one have a clue?
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Old Mar 17, 2002 | 04:50 PM
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umm well first of all there are 4 2nd ECUs... which year and turbo or non?

I'm sure you can find the info in the manuals. www.fc3s.org
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Old Mar 17, 2002 | 05:17 PM
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For you 87 Turbo (Read the profile Scott! ) it's pin 2D, which is the green/white wire (bottom row, 2nd from right looking at the plug with the clip on top) on the 9x2 pin plug.
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Old Mar 17, 2002 | 05:18 PM
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Originally posted by NZConvertible
For your 87 Turbo (Read the profile Scott! ) it's pin 2D, which is the green/white wire (bottom row, 2nd from right looking at the plug with the clip on top) on the 9x2 pin plug.
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Old Mar 17, 2002 | 07:04 PM
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thanx alot man i think that is like the 50th time that youve given me the exact answer that i was looking for
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Old Mar 17, 2002 | 07:05 PM
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but more importantly is this a wire i can splice into for my air fuel gauge?
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Old Mar 17, 2002 | 07:47 PM
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Originally posted by Pinfield357
but more importantly is this a wire i can splice into for my air fuel gauge?
Yes, this is recommended over the engine bay wire because you're not damaging a shielded cable.
Glad I can help!
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