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keyed power source in engine compartment

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Old Jan 24, 2014 | 02:55 PM
  #1  
Tar Heel's Avatar
Tar Heel
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Burning Brakes
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From: Longview Texas
Default keyed power source in engine compartment

We're installing a nitrous system and after a search I've found the keyed, always hot, and ground source in the interior on the passenger side floor. I'll use that for my toggle switches in the car. However, I think I'll also need keyed power in the engine compartment for the Lingenfelter box. Does anyone know where in the under hood fuse box to find a keyed power source? I've done a search on that and can't seem to find it. Yes, I could get my test light out and check things (and will if I don't find one) but thought someone might know off the top of their head.

Thanks.

Scott
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Old Jan 24, 2014 | 11:47 PM
  #2  
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Last C5
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From: Vancouver Washington
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Why not let the toggles run a relay and just power the relay from the main hot buss?
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Old Jan 27, 2014 | 09:38 AM
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dadaroo
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Hope this helps, the yellow wire below might be what you need. You could run a wire back to the engine compartment where the Red wire from the Engine Fuse box goes to the Passenger Fuse box. That way you are not "sharing" with another load.

In the passenger foot well there should be 3 auxiliary power wires.

Orange wire taped off. Always powered from Fuse #7 (20 Amp). This Fuse/wire is shared with the cigarette lighter.

Orange wire to a connector. Always powered from Fuse #1 (20 Amp). Wire not shared with anything.

Yellow wire taped off. Powered from ignition switch when "On". Powered from Fuse #11 (20 Amp). Not shared with anything.

Here is a link with more info and pictures:

http://www.digitalcorvettes.com/foru...ad.php?t=14632
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