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Chassis middle wiring harness

mr_Brink
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mr_Brink Member

mr_Brink

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I was planning to put in a '03 4S wiring harness, into a '00 C4 car and ECU. It indicates that there is only one type wiring harness for a 996 (partnumber 996 612 905 00), which I know for a fact is not right . A '99 middle chassis wiring harness for instance, doesnt fit a '00 because of the different connection to the ECU. My question is: does someone know if a 03 4S's wiring harness fits my '00 C4. Thanks in advance! Martijn

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Loren Member

Loren

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Other than the short wiring harness extensions - every car gets a custom wiring harness from the factory that is dependent on the car's options.

mr_Brink Member

mr_Brink

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But as far as the ECU, and the connection to the engine harness is concerned, they should be compatible?

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Loren Member

Loren

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But as far as the ECU, and the connection to the engine harness is concerned, they should be compatible?

No - MY2000 was DME 7.2 (prior to VarioCan Plus) and MY04 DME 7.8 with VarioCam Plus.

mr_Brink Member

mr_Brink

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I am sorry I was not really clear, but i meant; as far as the connection of the wiring harness to the ECU (not the ECU itself), would that connection be the same for a '00 and a '03 ? In other words, if I would connect the 03 harness to the 00 ECU, would that be compatible? Or did I misunderstand your answer?

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Loren Member

Loren

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DME 7.2 (your MY00) has 40 pins on connector 4 -- and a DME7.8 (MY03 harness) has 48 pins on connector 4 (D).

So they will not match up in number of pins for the connector. Sorry.

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