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Should The Kill Switch Be Hooked Up Positive Or Negative To

This is a discussion on Should The Kill Switch Be Hooked Up Positive Or Negative To within the General Help forums, part of the LSx Technical Help Section category; ...

  1. #1
    Blown, Stroked, & Sprayed

    Ed Blown Vert's Avatar
    Join Date
    Aug 1999
    San Diego, Ca

    383 Procharged & N20 Vert

    Exclamation Should The Kill Switch Be Hooked Up Positive Or Negative To

  2. #2
    Join Date
    Aug 2005
    Pocono Mtns, PA

    '02 Camaro SS

    For theft protection and general safety I would go with a switched positive. I depends on what you want to shut off as well.
    In modern street cars, a constant power supply is required to keep the electronics "warm" so they would need to be unswitched.
    1: It's too easy to jumper the negative to ground bypassing a negative shutoff.
    2: With the positive out there is no chance of shorts to ground if tampered with.
    3: In the Hot Rod piece the excuse to put the shut-off on the ground does not hold water as a good installation would make exposed terminals a non issue. In other words, any exposed parts carrying voltage should have been insulated, shame on them.
    4: Racing and street applications are different requirements so each needs to be addressed on a case basis.
    IMHO switching the positive is usually the better choice.
    Last edited by SSnow; 05-25-2014 at 05:13 AM.

  3. #3
    Former Mopar Man 2002ssslp's Avatar
    Join Date
    Jun 2011
    Branchville, NJ

    Silver & Blue
    02 Camaro SS, 04 GTO

    I have always gone positive.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

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