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1998 Chevrolet Metro LSi and the mystery of the wiper motor

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This topic contains 0 replies, has 1 voice, and was last updated by gfmonaghan gfmonaghan 2 weeks, 1 day ago.

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  • #991891
    gfmonaghan
    gfmonaghan
    Participant

    The wipers on my 1998 Chevrolet Metro LSi started acting weird (i.e. slowing down, stopping mid-wipe). I removed both the wiper motor and wiper transmission. I attempted to test the wiper motor with a 12V battery. I connected the battery negative to the motor case for ground. When I connect the battery positive to the high pin (2), the motor spins at high speed. When I connect battery positive to the low pin (3), the motor spins at low speed. How do I test “park”.

    pins on motor
    =========
    | 3 2 – |
    | 6 5 – |
    =========

    pins on connector (from service manual)
    =========
    | 1 2 3 |
    | 4 5 6 |
    =========
    where 1 and 4 are not used
    where 2 is wiper switch output (high)
    where 3 is wiper switch output (low)
    where 5 is wiper motor park signal
    where 6 is battery positive voltage

    • This topic was modified 2 weeks, 1 day ago by gfmonaghan gfmonaghan.

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