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  1. #1
    Good Citizen
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    Nov 2008
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    Default quick question m27 power wire constant or switched power?

    about to do the install but cant confirm if it should have swtiched 12v when the key is on or constant all the time power

  2. #2
    Old Timer
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    Default Re: quick question m27 power wire constant or switched power?

    Switched would be better, so it's not on all the time. Wouldn't want to run down your battery if you were to leave your car parked for an extended amount of time. Granted, I don't think Blinders pull much current for that to be a real issue, but still.

  3. #3
    Good Citizen
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    Default Re: quick question m27 power wire constant or switched power?

    i dont think it would draw anything of the 3way on/off switch is in the off position.
    I wanted to do swtiched power to but then i was wondering if the ecu has some kind of memory it needs to have constant power

  4. #4
    Old Timer
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    Default Re: quick question m27 power wire constant or switched power?

    You can do constant power with a switch if you wanted, as long as you remember to turn it on

    Either way, AFAIK, you should be fine with switched power.

  5. #5
    Rocket Driver
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    Default Re: quick question m27 power wire constant or switched power?

    Switched power, if you forget to turn them off you could come back to a dead battery, especially if you don't drive it for a few days.
    Valentine One (3.858 Ice Cream Truck, 3.812 in Vette)
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    ProLaser II, ProLaser III, Stalker LZ-1, LTI Marksman & Laser Atlanta "R" (looking for an Ultralyte LRB)

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  6. #6
    Radar Fanatic
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    Default Re: quick question m27 power wire constant or switched power?

    12 volt constant will do just fine. No memory lost if there is no constant 12 volts.

 

 

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