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Cannot figure out where this wire attaches.

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by TexasRyanK5, Mar 27, 2007.

  1. TexasRyanK5

    TexasRyanK5 Registered Member

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    I have a 1986 bone stock 305ci Chevy BlazerK5 and I had the Carb rebuilt the right way. But, i cannot figure out where this wire attaches. I am attaching pics to see if anyone knows what I am talking about. All help is appreciated. There is a black wire that goes nowhere it seems and a pink and pinkish/black that is attached to the carb. Someone please give me some info.

    Thanks,
    TexasRyanK5

    Franklin,Tx, Conoco Phillips 002.jpg

    Franklin,Tx, Conoco Phillips 003.jpg

    Franklin,Tx, Conoco Phillips 004.jpg

    Franklin,Tx, Conoco Phillips 005.jpg
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    That's one of those dual capacity pumps or whatever...IIRC, one wire is a ground, the other runs to a switch on the water neck. It's a cold engine operation compensating device. Relatively uncommon.

    I suppose that is probably shown in some wiring diagram, but I've never actually seen it. If someone has an '86 truck wiring manual, it may be shown if they'd look.
     
  3. ct85k10

    ct85k10 1/2 ton status

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    on my 85 the black wire went to the switch on the water neck where the green wire is in the last pic

    edit where the red arrow is[​IMG]
     
  4. TexasRyanK5

    TexasRyanK5 Registered Member

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    Anyone know where I can get this 1986 K5 wiring diagram on an adobe.pdf or word file?

    Thanks

    Texas Ryan K5
     
  5. dyeager535

    dyeager535 1 ton status Premium Member

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    And I lied actually..one wire is 12V, the switch is the ground I'm sure.
     
  6. TexasRyanK5

    TexasRyanK5 Registered Member

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    Nevermind guys, I got it and it runs like a top now....
     
  7. Slapperbar

    Slapperbar Retired Navy NDT Examiner Premium Member

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    So what was it?
     

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