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

S4, S5 N/A wire harness differences ???

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Old Jun 15, 2006 | 11:31 AM
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S4, S5 N/A wire harness differences ???

I tried searching this, but all I could find was info about Turbo swaps harness'.

So, I have a 86 N/A that had an electrical fire, and burnt up a secion of the wire harness. Sooo, I got a free harness off a friend, but he couldnt remember if it was an S4 or a S5 harness.

How can I tell which harness I have?

Thanks!
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Old Jun 15, 2006 | 04:28 PM
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There will be a plug for the electrical MOP on a S5 harness and the AFM plug will be different

Those are the easist to see, the rest are things like injectors plugs, (round/oval on S5) or alt plugs and a bunch of others.
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Old Jun 15, 2006 | 04:35 PM
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I have a harness from an `86 GXL in a box in my garage. Its not in perfect shape but was never a fire casualty. PM me if interested we`ll figure something out.
Scott
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Old Jun 15, 2006 | 04:41 PM
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sweet, I have a S4 harness. Because the injectors plugs are square, and the AFM is the right plug. Thanks!
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Old Jun 15, 2006 | 04:44 PM
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Now remember there are two different non turbo US spec S4 engine harnesses, the N326 and N327.

The n326 harness and ECU used a resistor pack on the passengers shock tower, while the N327 did not.
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Old Jun 15, 2006 | 06:16 PM
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Right Icemark I forgot that, Mine is the n326 JFYI

BTW hope you do have the right one if not let me know
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