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ECM (Oxygen control module) wiring diagram?

 
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winddude  



Joined: 15 Jan 2020
Posts: 50
Location: Vancouver Island

PostPosted: Wed May 06, 2020 2:54 pm    Post subject: ECM (Oxygen control module) wiring diagram? Reply with quote

I'm looking for a wiring diagram for the electronic control module or oxygen sensor control module for an '80 924. It doesn't seem to be in the haynes manual, or I can't find it.

The random relay connector:


Spliced into the harness going to the ecm. (note should say ecm not ignition module).


Red/Black and Black/Green actually connected to the fuel pump fuse. Red wire not connected to anything. The wires go into the harness and don't come out towards the mystery relay connector. As far as I can tell only the fuel pump and warm up regulator and air valve should be off that fuse.



Not sure if this could be related, or any idea what it might be for.
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winddude  



Joined: 15 Jan 2020
Posts: 50
Location: Vancouver Island

PostPosted: Thu May 07, 2020 9:37 am    Post subject: Reply with quote

I believe this is the RPM relay(OXS relay). It's not in the haynes.

Does anyone have a part number for the relay, 1980 924 NA?
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