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firewall black & blue wire with flat connector

Discussion in 'Electrical Systems' started by Rusty Mc, May 12, 2020.

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  1. May 12, 2020 #1
    Rusty Mc

    Rusty Mc New Member

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    Could someone please help me identify a firewall black and blue wires with a 2 post flat connector? It's located around the green wires for the temperature sensor on the passenger side. 1970 Z28 Camaro Thanks
     
  2. May 13, 2020 #2
    dave@ztech

    dave@ztech Veteran Member Lifetime Gold Member

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    picture would help, is the windshield washer pump and wipers all pluged in?
     
  3. May 13, 2020 #3
    Gary S

    Gary S Administrator Lifetime Gold Member

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  4. May 13, 2020 #4
    Rusty Mc

    Rusty Mc New Member

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    Sorry I'm not sure how to post a picture .
    Thanks for both of the replies i will check these out.
     
  5. May 13, 2020 #5
    COPO

    COPO Veteran Member Lifetime Gold Member

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    [​IMG]


    Pass side
    [​IMG]

    [​IMG]

    [​IMG]
     
  6. May 13, 2020 #6
    Rusty Mc

    Rusty Mc New Member

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    Yes that looks like my plug but with a blue wire instead of the green. I'm missing the TCS sensor
    does it mean throttle control sensor? thanks again
     
  7. May 13, 2020 #7
    Gary S

    Gary S Administrator Lifetime Gold Member

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    TCS is transmission controlled spark. A switch in the tranny controls vacuum advance to the distributor for better emissions.
     
  8. May 13, 2020 #8
    COPO

    COPO Veteran Member Lifetime Gold Member

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    Switch on Muncie
    [​IMG]

    [​IMG]

    [​IMG]
     
  9. May 14, 2020 #9
    71Z28RS

    71Z28RS Veteran Member Lifetime Gold Member

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    So.. are they (tcs ) required on a non stock car ....
    ...copo’s car is stock (pretty much :cool: )
    But let’s say a car like mine , not stock intake or carb - 4 speed Muncie ...

    Should it be disconnected if
    Not required ??
     
  10. May 14, 2020 #10
    COPO

    COPO Veteran Member Lifetime Gold Member

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    My smog pump is seized so I removed the pump and the pipes going into the manifolds and bypassed the vacuum switch on the intake and just ran a hose from the dizzy can to full manifold vacuum and left the rest connected. After 50 yrs, half of this stuff probably doesn’t even work.
     
    71Z28RS likes this.
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