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Brake switch

Discussion in 'Early CJ5 and CJ6 Tech' started by grannyscj, Feb 10, 2009.

  1. Feb 10, 2009
    grannyscj

    grannyscj Headed to the Yukon

    Anchorage, AK
    Joined:
    Dec 19, 2005
    Messages:
    1,758
    New switch as of 2 years ago. Worked fine until a week ago. There is 12V to switch and when the two leads are jumpered brake lights come on bright. When the 12V lead is attached and brakes pushed only a few milliamps of current flow, not enough to light the bulbs. So, is it the switch? Maybe an air bubble in switch? Any other possibilities?:v6:
     
    grannyscj, Feb 10, 2009
    #1
  2. Feb 10, 2009
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
    Messages:
    8,360
    It's the switch I'd bet.
     
    Patrick, Feb 10, 2009
    #2
  3. Feb 11, 2009
    AKCJ

    AKCJ Active Member

    Fairbanks, Alaska
    Joined:
    Aug 12, 2003
    Messages:
    1,036
    If you confirm that you have a real good wire connection on both sides of the switch and it's still not working then . . . it's the switch.
     
    AKCJ, Feb 11, 2009
    #3
  4. Feb 11, 2009
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
    Joined:
    Nov 6, 2002
    Messages:
    4,275
    Switch.

    You can disconnect both leads and put an ohmmeter across the switch terminals. Resistance should be very low when the brakes are applied.
     
    w3srl, Feb 11, 2009
    #4
  5. Feb 11, 2009
    grannyscj

    grannyscj Headed to the Yukon

    Anchorage, AK
    Joined:
    Dec 19, 2005
    Messages:
    1,758
    Ahh, I haven't done that yet. I spent a lot of time getting everything leak free and bled. I don't want to open the system until I'm sure. I want to test as much as I can before I do. Thanks for the replies, even on something small the more minds the better.:v6:
     
    grannyscj, Feb 11, 2009
    #5
  6. Feb 11, 2009
    jeep2003

    jeep2003 Well-Known Member

    Upstate NY
    Joined:
    May 30, 2006
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    1,939
    Dont forget it was most likely made in China
     
    jeep2003, Feb 11, 2009
    #6
  7. Feb 11, 2009
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
    Messages:
    8,360
    My dad had two of them go bad within a year (he had two plumbed in) that were purchased and installed at the same time when he built the Jeep....
    Mine still has the original...
     
    Patrick, Feb 11, 2009
    #7
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