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One more 355 wiring question

Discussion in 'Technical Q&A' started by kendogg41, Apr 7, 2017.

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  1. kendogg41

    kendogg41 Rookie

    Mar 21, 2016
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    #1 kendogg41, Apr 7, 2017
    Last edited by a moderator: Sep 7, 2017
    '95 355 Spider, US car. 2 pictures attached. One is a male 2-pin plug, coming from the harness out of the right back. The other picture shows the same plug on the left bank, but plugged into the only matching female connector I can fine (also out of the left bank). Can anybody tell me what these are possibly supposed to plug into? These are all I have left before test firing this engine. Thanks!
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  2. brendon0

    brendon0 Formula Junior

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    #2 brendon0, Apr 7, 2017
    Thermocouples? Are those connected up? (they live under the ECU's on each side, small black boxes about the size of a pack of cigarettes
     
  3. kendogg41

    kendogg41 Rookie

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    #3 kendogg41, Apr 7, 2017
    These are right at the back of the engine block, coming out of the valley. The EGT's are hooked up to their respective modules where they belong. Thanks.
     
  4. yelcab

    yelcab F1 World Champ
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    #4 yelcab, Apr 7, 2017
    I'll look it up when I get home...
     
  5. Dave rocks

    Dave rocks F1 World Champ
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    #5 Dave rocks, Apr 7, 2017
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  6. kendogg41

    kendogg41 Rookie

    Mar 21, 2016
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    #6 kendogg41, Apr 7, 2017
    Last edited by a moderator: Sep 7, 2017
    Here's a bit better picture to see where they're coming from. Mind you, I didn't assemble the engine, and the harness was already laid and coming out of the valley when I received it.
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  7. Dave rocks

    Dave rocks F1 World Champ
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    #7 Dave rocks, Apr 7, 2017
    Last edited by a moderator: Sep 7, 2017
    OK - I have my harness out of the car and I believe I found that connector. It comes out the same shrink tubing as the oil pressure sender wires. I'll look thru my photos to see what connects to it.
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  8. Prugna

    Prugna Formula 3

    Nov 13, 2014
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    #8 Prugna, Apr 7, 2017
    Any chance that goes to the speed sensor on the transaxle?
     
  9. kendogg41

    kendogg41 Rookie

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    #9 kendogg41, Apr 7, 2017

    Which one? I have 3 2-pin plugs to terminate.
     
  10. Dave rocks

    Dave rocks F1 World Champ
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  11. kendogg41

    kendogg41 Rookie

    Mar 21, 2016
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    #11 kendogg41, Apr 7, 2017
    OK, I found that unplugged on this transaxle. So I assume the black 2-pin male plug is the one that plugs into that, yes? What about the red one from the right side? Does that red one plug into the unused 2-pin female on the left side, and thats it?
     
  12. Qavion

    Qavion F1 World Champ
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    #12 Qavion, Apr 8, 2017
    The 2-pin male should have red/white and green/white wires. The speedo sensor can have different wire colours, so it doesn't have to colour match the 2-pin male.

    Assuming that's the only one left :D
     
  13. yelcab

    yelcab F1 World Champ
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    #13 yelcab, Apr 8, 2017
    If you post the wire colors, I can tell you where things go.
     
  14. kendogg41

    kendogg41 Rookie

    Mar 21, 2016
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    #14 kendogg41, Apr 8, 2017
    Thank you! The black 2-pin on the left side matches those colors, so I plugged that in.



    I've been trying to avoid pulling back the rubber boots if possible, some of them are dry rotted and I didn't want to ruin them anymore than some of them already are. HOWEVER - with only the female 2-pin, and the red/yellow plug'd 2-pin left, I did pull back the boots to find they are both a larger gauge black and white wires. I'm confident they belong together :D
     

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