C2 Wiper Motor Troubleshooting - Internal Ground Fault - NCRS Discussion Boards

C2 Wiper Motor Troubleshooting - Internal Ground Fault

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  • Kenneth B.
    Expired
    • April 10, 2008
    • 39

    C2 Wiper Motor Troubleshooting - Internal Ground Fault

    Hello, Folks,

    My newly reconditioned (two years ago, but just installed it this week) wiper motor assembly appears to have an internal ground fault which will not allow it to operate on the high speed setting (bench testing verifies that the problem is in the unit, not my harness or wiper switch).

    Does anyone have any experience working on the inside of one of these units? Where should I look for the ground fault first?

    I've rebuilt a couple of other electric motors in my lifetime, so I'm not too intimidated about cracking the case, but I would like to hear from anyone else who may have attempted this 'surgery' before.

    As always, thanks in advance for any assistance.
  • Jack H.
    Extremely Frequent Poster
    • April 1, 1990
    • 9906

    #2
    Re: C2 Wiper Motor Troubleshooting - Internal Ground Fault

    If memory serves, the 1963 Corvette Shop Manual has a nice dissertation on troubleshooting the WSW motor (both on-car and on the bench) plus, there's a step-by-step WSW motor overhaul section repleat with pictures and theory of operation thumbnail....

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    • Kenneth B.
      Expired
      • April 10, 2008
      • 39

      #3
      Re: C2 Wiper Motor Troubleshooting - Internal Ground Fault

      Jack,

      Thanks for the info.

      As it turns out, the vendor that I purchased the wiper motor from has graciuosly offered to repair or replace the motor at no cost, even though it has been almost two years since I purchased it.

      Comment

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