2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Another wire identification thread

Old Jan 12, 2012 | 08:06 PM
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Another wire identification thread

alright so I am nearing the final steps of my swap. The chasis and WIRING HARNESSES are s4 n/a the engine is s4 t2. I have some shady wiring I am trying to repair or replace or remove all together. The car has all emissions removed, power steering and air conditioning removed as well and battery relocated to passenger side bin.

the first one is a possible resistor? It is NOT the one that goes under/near the trailing coil as I have that one hooked up but it is identical to that one.


this second one is kinda shady and wasnt hooked up when I had my n/a so I am not sure where it goes. Both wires are black so I am assuming its a ground? possibly this goes into the resistor pictured above? They have the same kind of connectors and wire color


next is a sensor that goes into the bottom of the oil filler pedestal.


last (for now) I believe it is for the oil pressure sensor I just want to make sure


If you need more or better pics let me know. thanks!
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Old Jan 12, 2012 | 08:13 PM
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From: tulsa,ok.
First pic is a capacitor and there are two in the car, one for the trailing coil and the second one for the oil pressure sending unit. On a manual car it would be found bolted to the slave cylinder and plugs into the Yellow/Red (Engine harness) wire that comes from the sending unit.

In the second pic what is the color of the wire on the other side of the connector. It's obvious one side is Black, but what about the other side? Is it Yellow/Red?

Last pic is for the oil pressure sending unit as you are correct.
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Old Jan 12, 2012 | 08:22 PM
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in the second pic they are both solid black wires. It looks yellow but thats just the copper wire showing because the insulation is messed up.
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Old Jan 12, 2012 | 08:27 PM
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From: tulsa,ok.
Originally Posted by matt87FC
in the second pic they are both solid black wires. It looks yellow but thats just the copper wire showing because the insulation is messed up.
Where does it appear to that the Black wire runs to?
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Old Jan 12, 2012 | 08:42 PM
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it goes into the same loom section as the B terminal wire from the alt to the fuse box i believe
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Old Jan 12, 2012 | 08:46 PM
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I stand corrected, that wire is a yellow/red wire.
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Old Jan 12, 2012 | 09:24 PM
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Originally Posted by matt87FC
I stand corrected, that wire is a yellow/red wire.
Then connect the spare capacitor you have and bolt the other end to a ground or tape up the existing frayed Black wire and do not ground it or damage will occur.
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Old Jan 12, 2012 | 09:41 PM
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Ahh ok i got you. I did just as you said so hopefully that's all the miscellaneous wires that i have to deal with!
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Old Jan 12, 2012 | 09:57 PM
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Oh, and just so you know... The third pic is the knock sensor. I have the same on my car, but I have not hooked it up. No need for it on my vehicle.
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Old Jan 13, 2012 | 02:27 AM
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Originally Posted by dwb87
Oh, and just so you know... The third pic is the knock sensor. I have the same on my car, but I have not hooked it up. No need for it on my vehicle.
ohh yeah I dont need that because my wiring harness is set up for the power steering to the ecu any ways and not the knock sensor so I just clipped that wire at the harness anyways. lol
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