Fuses Keep Blowing
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  1. #1
    Tadpole
    Join Date
    Jan 2005
    Location
    Broken Hill
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    Icon8 Fuses Keep Blowing

    Hi,


    My wife has a toyota corolla seca, and the brake light fuse keeps
    blowing. Everytime i replace them it just blows when she puts
    her foot on the brake. We are in an isolated area can anyone
    help us out to why this would be happening please. So i can
    try and fix the problem please.

    Thanx Craig..

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    Last edited by sandman_5666; 15th January 2005 at 09:57 AM.

  2. #2
    1000+ Posts CHRI'S16's Avatar
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    Jun 2002
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    Sydney
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    3,298

    Default

    Quote Originally Posted by sandman_5666
    Hi,


    My wife has a toyota corolla seca, and the brake light fuse keeps
    blowing. Everytime i replace them it just blows when she puts
    her foot on the brake. We are in an isolated area can anyone
    help us out to why this would be happening please. So i can
    try and fix the problem please.

    Thanx Craig..
    Craig, welcome to Aussie Frogs.
    Your first probelm is that Seca ....joking. Get a french machine....ha.
    There is obviously a short in the wiring of the Seca. Remove all the bulbs from the rear lights, replace the fuse with a good one and press the brake pedal with the ignition ON>> if the fuse does blow then the fault is most likely in the wiring, if not you most probaly have a shorted bulb or water/moisture/crap in you rear lenses. Re fit one bulb at a time and each time you put a bulb back, press the brake pedal, if the fuse blows after a particular bulb was put in then either that bulb has a short, or the wire feeding that bulb is shorting near the lense itself. Time to clean the lense, contacts etc and replace any dodgy looking bulbs, wires etc.
    Most cars have a switch on the actual swing arm of the brake pedal. Sometimes the wiring to this switch gets cought and shorts out againts some metal. So check well under there and around the pedal box, make sure no wires are binding/rubbing against any metal or are exposed/damaged. Replace section or tape/heat shrink over damaged area, do it well.
    Next it could be a short in the harness so you will need to find the wiring loom that runs down either side of the car underneath the carpet, from memory most toyotas do this on the driver side. Again your looking for cut, shorted or exposed wiring, again repair if needed. Last but not least it could be the brake switch or the wiring harness in/behind/under the dash. Here its gets tricky, but you are looking again for damaged wires.
    BTW, what year car is it? is it fairly new or older model? The newest of the corrola Seca's have a very complicated loom, but should be under warranty? - Chris
    ... ptui!

  3. #3
    Budding Architect ???? pugrambo's Avatar
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    Parkes - N.S.W - Australia - Earth
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    Default

    i didn't realise that Sydney was isolated

    anyway does the car have a tow bar fitted ?

    if so then check the plug socket to make sure it is secured correctly internally
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  4. #4
    Tadpole
    Join Date
    Jan 2005
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    Broken Hill
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    Default Thanx

    Thanx very much Chris u were a great help...

    Craig....

  5. #5
    1000+ Posts robmac's Avatar
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    Melbourne / Caulfield
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    Default fault finding constantly blowing fuses

    Quote Originally Posted by sandman_5666
    Thanx very much Chris u were a great help...

    Craig....
    If you get sick of replacing the fuse you can try this:

    Put a 60w headlamp ACROSS where the fuse was - if the lamp filament becomes the fuse.

    When there is a short the lamp lights up - this lets you find the fault without blowing 20 fuses!

    When you fix the fault the test lamp will go out/ glow dimly . You can then replace the fuse.

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