KW/Cat temp gauge

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Lazer, May 16, 2021.

  1. Lazer

    Lazer Medium Load Member

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    Jan 22, 2017
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    ‘93 KW with Cat, solid copper wire from temp gauge broke, or rusted off at sending unit. Is this all one piece to replace, or can the wire be ‘crimped’ on a new sending unit.
    Not exactly sure which model engine it is, have not been around many Cats.
    TIA
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    Show us?

    My guess is this is an aftermarket mechanical gauge, it which case replace the whole thing. Cheap and available at any local auto parts store.

    Once the copper breaks the gas lets out and no more worky, worky.....
     
    Diesel Dave Thanks this.
  4. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    When I had my 94 Pete E model Cat, someone had install similar gauge, I went back to the OEM style(Electrical). Of course, I had to replace sending unit also. To answer your question @Goodysnap already answered it.
     
    Goodysnap Thanks this.
  5. Lazer

    Lazer Medium Load Member

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    Jan 22, 2017
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    I will be back at the yard in a couple days. The gauge in truck appears original, the sending unit may also be original, no evidence of being changed in the past, still has yellow paint, and no cracked paint where it’s threaded in.
     
  6. bad-luck

    bad-luck Road Train Member

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    It is one complete set up, as it is an mechanical guage. The guage comes with the sending unit, wire and guage. Not sure if you crimp the wire or not. The new style has a hot wire.
     
  7. w9l

    w9l Light Load Member

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    My '93 KW came oe with electric gauge. If there is a nut or spade terminal holding copper wire to sender it is an electric gauge. I had problems with the electric gauge showing 10 or 15 degrees higher when lights were on so I purchased an oem mechanical gauge that was as mentioned all one sealed system from sender to gauge. No repairing that if the cable gets broken. Yes I know, probably a ground issue but it was the 3rd KW I had had the same problem with.
     
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