Switched Ignition Power in on 3100 V6

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  • rynotheman
    • Sep 2012
    • 1

    #1

    Switched Ignition Power in on 3100 V6

    Hi All,

    Maybe an odd question, but I need an answer I'm having a hard time tracking down.

    I have a 2003 Grand Prix SE with the 3100 under the hood. Decent engine once GM's stupid plastic intake manifold gaskets are gone. Anyways - I need a wire to tap under the hood that gets power when the key's in the Run position. This is just to trigger the coil on a relay, to in turn light some custom DRL's - so we're talking a real low current draw off whatever line I can find.

    I can start spinning my wheels with a DMM, but was hoping someone could save me the time and give me a location and color for a switched power wire under the hood?

    Thanks in advance!
  • geoffinbc
    Iron Head Enthusiast
    • Oct 2003
    • 5831

    #2
    Wiper motor is a good spot one of the wires will be hot with key on.
    1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
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    • robertisaar
      W-Body for Life!
      • May 2007
      • 6414

      #3
      there are actually a lot of options for you, i guess it depends on what section of the engine bay you want to start at.
      1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
      Latest nAst1 files here!
      Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

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      • 3400-95-Modified
        The Pink Car
        • Dec 2005
        • 4375

        #4
        Or you can tap into the fuse block with an add a circuit deal and pick a fuse that's power with key on.


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