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  1. #1
    VXRed
    Join Date
    28th October 2016
    Posts
    49

    Default Cartek battery switch

    Hi, I want to wire in a cartek battery switch, http://www.cartekmotorsport.com/battery_isolators.html

    It says:
    For cars equipped with an alternator, the Battery Isolator needs to kill the engine by cutting power to the
    engine ECU, Fuel system or Ignition system. One way to find a suitable point within the car's electrical system
    to kill the engine is to:
    START ENGINE.
    LOCATE FUSE FOR ECU OR IGNITION SYSTEM.
    REMOVE FUSE TO CONFIRM SUITABILITY FOR KILLING ENGINE.
    Once a suitable fuse is located then remove it permanently. The power input to this fuse can now be
    connected to the Battery Isolator terminal marked BATTERY POSITIVE and the output of the fuse connected
    to the terminal marked 'FUEL or IGN'.

    Can anyone tell me which fuse this is please?

    Thanks

    .

  2. #2
    VXR Nothing comes close vr55vxr's Avatar
    Join Date
    6th February 2008
    Posts
    15,805

    Default

    Check the owners manual, as it has the layout of the fuse boxes

  3. #3
    VXR enough andrewt1971's Avatar
    Join Date
    25th January 2010
    Posts
    3,180

    Default

    Fuse 30 is the one that kills ecu power, but you cant wire it that way on the astra as you wont be able to arm the isolator until you turn the ignition on, which you cant do until you've armed the isolator.
    I'd run a wire direct from the battery to the isolator positive terminal then another from the ign/fuel terminal to the coil pack, cut the black feed wire and power the coil directly. activating the isolator cuts the coil, no sparks, engine shuts off.

  4. #4
    VXRed
    Join Date
    28th October 2016
    Posts
    49

    Default

    Ah, OK, thanks for that. I think I need to find an auto electrician!

  5. #5
    VXR enough
    Join Date
    25th January 2010
    Posts
    1,080

    Default

    Quote Originally Posted by fastdog View Post
    Ah, OK, thanks for that. I think I need to find an auto electrician!
    That would be a wise move

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