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  1. #1
    Join Date
    Feb 2007
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    Essex, UK
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    3,775

    IVA brake test light

    Is a test switch required in the brake warning light circuit for IVA or is the handbrake switch considered sufficient?
    Thanks
    Simon
    WARNING: Translation of author's random thoughts may have resulted in the unintended introduction of grammatical errors, typos, technical inaccuracies, lies, propaganda, rhetoric, blasphemy, rambling, and/or exhibition of shocking levels of ignorance.

  2. #2
    Join Date
    Apr 2005
    Location
    Worcestershire
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    Hand brake is ok, assuming it lights the same bulb of course!!

  3. #3
    Join Date
    Apr 2014
    Location
    Stourport on Severn
    Age
    60
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    218
    As Craig says.
    However if you are using a Savage switch for the brake warning light it’s quite easy to also enable the switch function to test the bulb. There’s a diagram in my blog if it helps.
    Cheers
    Steve

    My missus asked me to build her a Cobra! – How good is that!

    AK Gen2 chassis arrived 12/2/15 IVA Passed 2/7/18 on road 29/7/18
    http://stevesakcobrabuild.blogspot.com

  4. #4
    Join Date
    May 2014
    Location
    Birmingham
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    41
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    So if you use just one bulb, link it to a positive feed and make the negative feeds from the handbrake switch and brake fluid reservoir this passes IVA.

    The tester will just ask you to remove the brake fluid cap to confirm operation.

    Alan.
    AK Gen II delivery date Oct '15
    GM Vortec LQ4 364ci
    Tremec T56 Terminator.

  5. #5
    Join Date
    Apr 2005
    Location
    Worcestershire
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    43
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    1,980
    I didn't realise until my first IVA test that the Sierra reservoir has a built in test switch on the cap.
    Regards

    Craig Perry

    No, I'm not "repairing" it, I'm fine tuning its performance.

  6. #6
    Join Date
    Feb 2007
    Location
    West Sussex
    Posts
    8,062
    The 'hand brake light' is not actually a hand-brake-on light - its a test for you fluid reservoir level! I think most modern cars use this principal, but most people don't realise this.
    Crendon Chassis No.49
    Huddart FE428 + toploader

    Not listed in the Shelby Register.

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