33 marelli ECU connector - Alfa Romeo Forum
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33 1.4IE

33 marelli ECU connector

Hello everybody

I'm looking for the 3 pin ECU connector (T1 on the electric wiring diagram) on my alfa 33.

Its a 1992 1351cc IAW injection model. I can see some 3 pin connectors, but none are empty or unplugged. Also the colours given by the electrit wiring diagram dont seem to match up.

Does anybody know where I can find this connector?

Also maybe a picture of the connector itself so I know what I'm looking for?
I dont understand why i can't find it , it should be right near the ECU...

Also, I'm a young student and this is my first car ever, so i'm still learning lots..

alfavirus33 is offline  
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PM your email and I will email you some original wiring diagrams that may help. Also look up Alex at 33 bits he may be able to help if the guys out there cannot.
johnpm1967 is offline  
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On the bosch injected ones it was hanging out the back of the ECU under the dash in front of the passengers seat. Not sure about marelli versions though.
sprint_veloce is offline  
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Hi, if I can put some external links, try this page for photos
of the position of the connector:


and this (with a traductor italian-english) for some hints about
diagnostic on alfa 33 1.3 I.E. with free software IAW SCAN 2:

Diagnostica centralina IAW alfa 33 1.3 i.e. con IAW SCAN 2
bobkelso is offline  

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connector , ecu , marelli

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