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what is this on my engine block

Discussion in 'The Garage' started by mattman4x4, Dec 12, 2006.

  1. mattman4x4

    mattman4x4 1/2 ton status

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    Hi
    this is on my engine block between the 1 and 3 cylinder, help what is it?

    whats this3.JPG
     
  2. dremu

    dremu Officious Thread Derailer Premium Member

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    Temperature sender for the gauge cluster.

    Should be a green wire somewhere for it.

    -- A
     
  3. buefchris

    buefchris 1/2 ton status GMOTM Winner

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    sending unit for water temp .
     
  4. mattman4x4

    mattman4x4 1/2 ton status

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    Well it has a black wire, and I hooked it up and the temp gauge on the dash is not working...How do I tell if its the gauge, wiering, or sender?
    thanks
     
  5. DEMON44

    DEMON44 Low-Tech Redneck

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    BTW, thats not in the block....its in the head.
     
  6. dyeager535

    dyeager535 1 ton status Premium Member

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    Typically that wire is green. Have the truck off, wire off, then turn the key on, note where the gauge is, then apply the wire while the engine is in "run". (doesn't need to be running) If you get no movement, it's likely something in the gauge wiring or the gauge.

    Does it have the right connector on it for that "nailhead" on the sender?
     
  7. mattman4x4

    mattman4x4 1/2 ton status

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    Thanks for pointing out my error, it is the head on the driver side. Sometimes I type before I think!
    Mattman4x4
     

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