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Extra cig adapters - should I be worried about always on?

Discussion in 'Technical Chat' started by Chickenmunga, Jul 15, 2013.

  1. Jul 15, 2013 at 9:45 AM
    #1
    Chickenmunga

    Chickenmunga [OP] Nuggety

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    I spent Saturday adding a pair of cig lighter plugs (basically this) under the dash so that I can 'hardwire' the two GPS units I have. The power goes straight to a Blue Sea fuse block in the engine bay.
    By wiring it this way, the plugs are constantly on.

    What I would like to do is make the power cut out when a door opens when the vehicle is off (the same way our headlights turn off).

    My feeble brain is imagining I can find somewhere to tap into the switch on the driver's door (but how do you keep it off until the ignition comes back on?), or maybe the headlight wire, then run that to a relay.

    can you recommend the safest way to do this, and what I might need for a relay? I understand the basics of a relay, but haven't wired any yet :eek:
     
  2. Jul 15, 2013 at 9:51 AM
    #2
    Large

    Large Red

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    Install a small relay, or make them switchable. Relays are fairly easy to install although I've never installed a relay without a switch to the accessory.
     
  3. Jul 15, 2013 at 9:58 AM
    #3
    Chickenmunga

    Chickenmunga [OP] Nuggety

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    I guess I'm trying to find the wire to tap for the relay
     
  4. Jul 15, 2013 at 10:15 AM
    #4
    ComeAndTakeIt

    ComeAndTakeIt Bob Lob Law

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    What about the relay for the windows? You could use that as the "signal" for the relay
     
  5. Jul 15, 2013 at 10:23 AM
    #5
    Chickenmunga

    Chickenmunga [OP] Nuggety

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    That one only works for 30 seconds after the ignition is turned off.
     
  6. Jul 19, 2013 at 8:47 AM
    #6
    BamaToy1997

    BamaToy1997 ASE Master Tech Vendor

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    May I ask WHY you want the power to the adapters to go off when you cut off key and open the doors? Unless something is actually plugged in and drawing power, there is no real reason to have the adapters turn off, other than personal preference. I will look through the wiring diagrams and info I have to see if this can be done without affecting other components.
     
  7. Jul 19, 2013 at 12:19 PM
    #7
    Chickenmunga

    Chickenmunga [OP] Nuggety

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    It's convenience so that I don't have to unplug the GPS units each time. I might eventually do an LVD if I can't figure this out.
     
  8. Jul 19, 2013 at 12:23 PM
    #8
    Forster46

    Forster46 Very nice how much?

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    Why not just to ignition? That seems simplest....
     
  9. Jul 19, 2013 at 1:37 PM
    #9
    Chickenmunga

    Chickenmunga [OP] Nuggety

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    I haven't found a schematic for that, other than the service troubleshooting. Thought I'd ask first before ripping into things.
     
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