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  1. #1

    Default Temperature alarm switch

    Hi all, I have Merc 4.3LX 1995 in a Searay 195 BR
    Does anybody know at what temperature the alarm switch should close, (go to ground) I want to test it using a kettle and meter for pease of mind following a major engine overhaul and partial rewire. The alarm works fine when the wire is grounded but I don't know at what temperature it should operate or if indeed it actually works.

  2. #2

    Default Re: Temperature alarm switch

    I ask the same for a

    Mariner 40hp ,4cyl,2str,1993

    Thank you

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