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Engine Harness Wiring Questions

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Old 01-26-21, 01:57 AM
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Engine Harness Wiring Questions

Hi i need some help

My car had a engine and gearbox swap when i bought it . I put back a 13B REW and 13BREW gearbox .
My original Engine Harness was completely cut off. I have most of it figured out.

Here are my Questions :
1. I see on pictures of OEM Harnesses, that there are 4 Connectors with 2 Wires each going to the Gearbox :
So far i figured out:
1x Neutral switch (Signal Goes to 1R on ECU) but not sure if the other wire is just GND or +5V ?
1x Reverse switch (No idea to which connector in the car it goes )
1x ??
1x ??

Also what is the connector name of the white and blue connectors so I can find it in the electrical diagrams .




Thanks in Advance guys


Last edited by Markus1981; 01-26-21 at 02:53 AM.
Old 01-26-21, 08:17 AM
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Never mind i found all the info i needed
Old 01-28-21, 11:54 PM
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I have a good used harness if you're interested from a 46k mile car. I hate patching wires together.
Old 01-29-21, 12:28 AM
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It would be advised to not finish this project. Replacing that harness is the much better route. Even if you got it figured out and working, its reliability comes into question. Regardless of how well you're repairs are, the wiring you're patching is still 30 years old.
Old 01-29-21, 03:34 AM
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Originally Posted by cr-rex
It would be advised to not finish this project. Replacing that harness is the much better route. Even if you got it figured out and working, its reliability comes into question. Regardless of how well you're repairs are, the wiring you're patching is still 30 years old.
i won’t use the old harness . I spent way too much time and money already on the car to save on the harness . I am busy making a complete engine harness for my Link ECU. For the White and Blue connector I will also depin and make complete new wires and crimps on there I was just not sure which wire is going where .



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