what does the fuel injector and ignition harness connect to?

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03 Jan 2014 12:52 #16518 by 1989porsche928
I honestly am not the best at reading electrical diagrams. I am considering replacing both the fuel injector harness as well as the ignition harness on a '89 along with all the sensors. Is their a list anywhere that brakes down what each harness connects to?thanks

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03 Jan 2014 16:13 #16519 by spun
the FI harness wraps back into the fuse panel and the electronics be the fuse panel. The ignition (or if i read you right the main harness that connects around the motor to the 10 pin connector) wraps from under the motor though it to the 10 pin (and fans). If you mean the other main harness in the car under the dash... that bitch connects to everything and I do not recommend replacing that unless you have the desire to take most the car apart... I have never seen a harness go so many places without breaks/connectors.

I just pulled a full set of harnesses out of my 89 parts car. What are you looking for... I will make you a deal on them depending on what ya need. emerald (att) adair (dott) net

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03 Jan 2014 16:26 #16521 by 1989porsche928
i am talking about the ezk and ecu harnesses (think ezk and ecu) basically in an 89 their are two computers in the passengera side that have similiar connectors. so on is the fuel injwctor harness and whats the other?

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03 Jan 2014 17:05 #16523 by spun
ok... yeah, they run up through the the brake system as well. Why replace them both? full of corrosion?

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07 Jan 2014 15:00 #16581 by wallyp
I would suggest that you need to be really, really certain that you need to replace the harnesses. This is not a trivial task - it can be expensive in time, money and effort.

A very specific, detailed description of your problems might be a good idea first. It is very possible that the problems can be solved more easily.

Wally Plumley
928 Specialists
www.928gt.com

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09 Feb 2014 11:53 #16779 by SteveG

to the 10 pin (and fans). If you mean the other main harness in the car under the dash... that bitch connects to everything and I do not recommend replacing that unless you have the desire to take most the car apart... I have never seen a harness go so many places without breaks/connectors.


Can you better describe where this "10-pin connector" is located? Is it the connector on the US passenger side, next to fender wall and part of the hot start post, that most people refer to as the "14-pin"? Under the plastic cover at #15?

Attached files [img]media/attachments/17172=2440-87%20engine.JPG[/img]

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