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Thread: Switching +ve in engine bay?

  
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    Question Switching +ve in engine bay?

    Hi guys. I need to find a switching postive supply in the engine bay. It there one (there must be) and where is it? I checked all the wires in the relay box, but non were switching. Anyone know? I really don't want to put another wire through the bulk head.

    Cheers.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    what switch mate? ignition? side lights?

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    Ignition.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    whats it for mate? the only thing like coilpack ect might give off noise, im sure one of the big fuses will be ignition feed?

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    To activate a relay to switch on water injection.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    if youv got a 12V tester take out some fuses and poke around with a mate turning the ignition on and off, never had to look for one so cant give you a position, easiest way would to be to run one thru the pluged hole for cars without a TB cable from the ignition barrel mate

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    That hole is already taken

    I've tried all the relay onnections already.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    try the fuses then mate, there is bound to be something some where, why not physically switch it rather than ignition it? there should be room for another small cable thru the plugged TB calble hole? ive got two cables one 4 gauge amp feed and one 16 gauge cable for my aux fuse box,

    MK4 1.8 16V Sport and MK5 CDTi Estate




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    I have a 4 gauges, TC switch cables and pipe for the boost gauge through there. I'll dig around more tomorrow.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    sounds tight!!!! lol like i said there is one there, take the fuses out to find which one is ignition fed, if you still have no luck PM me and ill find one on my car take a photo and show you mate

    MK4 1.8 16V Sport and MK5 CDTi Estate




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