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Oil Press Switch resistence -- SOLVED

Discussion in 'Other Motorcycles' started by vincentmoy, Jul 21, 2009.

  1. vincentmoy

    vincentmoy Member

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    Hi all,

    As I posted earlier my oil press. switch is not working. I took it out and tested it with an ohmmeter today and I got about 40 on the R x 1k scale. I'm not sure if it's normal or not.

    Since there's no pressure the contact should be connected (grounded), hance, the ohms should be close to 0 (current can go through, lite up the indicator) .

    Am I right?
     
    vincentmoy, Jul 21, 2009
    #1
  2. KrS14

    KrS14 Active Member

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    Re: Oil Press Switch resistence

    Sounds right to me.
     
    KrS14, Jul 22, 2009
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  3. vincentmoy

    vincentmoy Member

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    Re: Oil Press Switch resistence

    So is it normal with such a high resistance under no pressure? I took a digital multimeter and got a 1670 on a 2000K scale. My gut tells me it's not right.
     
    vincentmoy, Jul 22, 2009
    #3
  4. bill

    bill Active Member

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    Re: Oil Press Switch resistence

    Vince I will try and test mine this evening - I need to locate it first ;) have not had to mess with it.
     
    bill, Jul 22, 2009
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  5. vincentmoy

    vincentmoy Member

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    Re: Oil Press Switch resistence

    Thanks bill, and I'm sorry I have yet to take a pic since I've been pretty busy. I'll try to do it tonight between jobs. 8)
     
    vincentmoy, Jul 22, 2009
    #5
  6. bill

    bill Active Member

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    Re: Oil Press Switch resistence

    No problem Ok I found the wire in the headlight and I get just 1 or 2 ohms to ground.
     
    bill, Jul 22, 2009
    #6
  7. vincentmoy

    vincentmoy Member

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    Re: Oil Press Switch resistence

    Hope it is not too much too ask but I would like to know the reading of the switch itself. It should located behind the cover where the clutch cable goes into.

    It's on the left corner and should onlt have 1 wire connected to a little screw. The whole unit can just unscrew out. It is kinda a big, I'm guessing 24mm. I just used a vice grip to unscrew it (It was pretty stuck).

    I am uploading the photos and I'll PM u when I'm done.

    Thanks for help anyways!
     
    vincentmoy, Jul 23, 2009
    #7
  8. bill

    bill Active Member

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    Re: Oil Press Switch resistence

    Ok I can do that tonight - I was taking the cover off anyway tonight to lube up the clutch mechanism.

    But I can tell you if I only get a couple of ohms from the headbucket to ground through that switch it won't be any different.
     
    bill, Jul 23, 2009
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  9. bill

    bill Active Member

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    Re: Oil Press Switch resistence

    Still near Zero - measured the switch...
     
    bill, Jul 23, 2009
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  10. vincentmoy

    vincentmoy Member

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    Re: Oil Press Switch resistence

    Appreciate it Bill!
     
    vincentmoy, Jul 23, 2009
    #10
  11. KrS14

    KrS14 Active Member

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    Sorry Vince, i was meaning i think you're right (Bill confirmed it) ~0 ohms when no pressure.
     
    KrS14, Jul 25, 2009
    #11

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