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What ami doing wrong here. Can’t get reading on sensor

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Cam Roberts, Jan 17, 2019.

  1. Jan 17, 2019 #1
    Cam Roberts

    Cam Roberts Road Train Member

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    Went and bought another new crank sensor and not getting any reading from it
     
    Cam Roberts, Jan 17, 2019
    Cam Roberts, Jan 17, 2019
    #1
    bigguns Thanks this.
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  3. Jan 17, 2019 #2
    Cam Roberts

    Cam Roberts Road Train Member

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    I can get a reading from the crankshaft sensor no problem
     
    Cam Roberts, Jan 17, 2019
    Cam Roberts, Jan 17, 2019
    #2
    bigguns Thanks this.
  4. Jan 17, 2019 #3
    Cam Roberts

    Cam Roberts Road Train Member

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    Eh, never mind. My new more expense multi meter won’t pick up this sensor for whatever reason. I paid 50 for this multimeter. I went and grabbed my 5 dollar harbor freight unit and it gets a reading. Go figure
     
    Last edited: Jan 17, 2019
    Cam Roberts, Jan 17, 2019
    Cam Roberts, Jan 17, 2019
    #3
    bigguns, BoxCarKidd and pushbroom Thank this.
  5. Jan 18, 2019 #4
    bigguns

    bigguns Road Train Member

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    Is it the difference between meters or the cam sensor itself? Myself I would need to figure that out before going ahead. Might just be me though.
     
    bigguns, Jan 18, 2019
    bigguns, Jan 18, 2019
    #4
  7. Jan 26, 2019 #5
    A gear per tire

    A gear per tire Bobtail Member

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    Im pretty sure it could have been the selection made on the voltimeter, to get a reading on the sensor you need to put it in resistance ohms not continuity
     
    A gear per tire, Jan 26, 2019
    A gear per tire, Jan 26, 2019
    #5
  8. Jan 26, 2019 #6
    ast26909

    ast26909 Medium Load Member

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    If you want to do real troubleshooting go on eBay and buy a Snap-On Vantage graphing multi-meter, it's not in production anymore but there are plenty of used ones for sale.
     
    ast26909, Jan 26, 2019
    ast26909, Jan 26, 2019
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    Cam Roberts Thanks this.
  9. Jan 26, 2019 #7
    Cam Roberts

    Cam Roberts Road Train Member

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    You are right. I had it on “auto” mode and it wouldn’t register. I thought it was a good unit. Piece of junk cost me 130 bucks getting a new sensor when I didn’t need to
     
    Cam Roberts, Jan 26, 2019
    Cam Roberts, Jan 26, 2019
    #7
    bigguns Thanks this.
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