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Thread: headlight switch

  1. #1
    Join Date
    Aug 2020
    Location
    chilliwack BC Canada
    Posts
    87

    Default headlight switch

    Anyone know what the letters on my military light switch refer to? The only positions that do anything are all the way to the left which turns the headlights on and the convoy position which turns the light under the rear bumper on.

    Click image for larger version. 

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  2. #2
    Join Date
    Sep 2010
    Location
    killingworth CT
    Posts
    836

    Default

    hst is head lights, side lights and tail lights,
    ST is side and tail lights,
    T is tail lights,
    Then the off position, to the right,
    Convoy lights,
    S. Convoy, is Secret convoy.

  3. #3
    Join Date
    Jul 2020
    Location
    UK
    Posts
    300

    Default

    On the Military 2A Lightweight I once had , the S.Conv. position put the sidelights and convey on, no head or tail lamps. See attached extract from military Handbook for S2/2A , the S3 Lightweight Handbook shows the same . The Infrared switch should extinguish all lights other than headlights.
    Click image for larger version. 

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  4. #4
    Join Date
    Aug 2020
    Location
    chilliwack BC Canada
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    87

    Default

    Quote Originally Posted by cedryck View Post
    hst is head lights, side lights and tail lights,
    ST is side and tail lights,
    T is tail lights,
    Then the off position, to the right,
    Convoy lights,
    S. Convoy, is Secret convoy.
    Thanks they seem to work as you say.

  5. #5
    Join Date
    Aug 2020
    Location
    chilliwack BC Canada
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    87

    Default

    Quote Originally Posted by roverp480 View Post
    On the Military 2A Lightweight I once had , the S.Conv. position put the sidelights and convey on, no head or tail lamps. See attached extract from military Handbook for S2/2A , the S3 Lightweight Handbook shows the same . The Infrared switch should extinguish all lights other than headlights.
    Click image for larger version. 

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ID:	13900Click image for larger version. 

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ID:	13901
    My infrared switch turns everything off. Problem somewhere it appears.

  6. #6
    Join Date
    Jul 2020
    Location
    UK
    Posts
    300

    Default

    These might help, S3 Lightweight with the infrared switch circuit Click image for larger version. 

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ID:	13902Click image for larger version. 

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  7. #7
    Join Date
    Aug 2020
    Location
    chilliwack BC Canada
    Posts
    87

    Default

    Yes thats a big help thanks. I may even try to get it working when it warms up.

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