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Hey guys i need help finding 2 wires under the dash.

the 1st wire i need is: a constand 12v

the 2nd wire i need is: a wire that is grounded when the car is off and not grounded when the car is on...maybe the ignition wire?

i want to set up blinking led's to turn on when the car is off and turn off when the car is on.

thx a lot

 
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double thread

 
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double thread

 
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OK, found them...now what?

 
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sorry i kept getting "page not found" so i clikced it again...and again..

 
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tell me what wires they are (colour, location)
thx

 
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locked the others......ask here

 
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ok thx...so what wires would these be? (colours and location)?

 
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*shrugs his shoulders. I just ran a new one to the battery for my constants. Then I just grounded it wherever with a switch so I could turn my lights off and on, on command. However. I don't know of anything that is grounded just when the car is off.

 
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i know it can be done because it did it on my integra. i used the 12v constand under the dash and the ignition wire. but i do know know what colour these wires are in the civic.

 
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u prolly use the same wires that people use to power their alarm scanners... i found mine under the steering column. i forgot what colors they were. use a test light

 
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parking brake , when the lever is up it makes a complete curcit, so just set the p brake everytime u get out of the car

Take the center counsel out,, and it is the only wire u will see that goes to the p brake

 
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check it out

I installed power windows in my doors a few weeks back. The evil genious SkipBarber walked me through the electricals. The wire I circled here is the constant 12v. I tapped into that, and now I can lower/raise my windows even with the engine off. BEWARE: I drained my battery dead because I kept playing around with my windows after I installed them

the other thinner wire I circled, I thought maybe could have been another power source, but we figured it may be for the Immobilizer system. Good luck!

 
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by the way, the colours may not alway match on our cars. Skip's was black, but my 12v was white. You can tell it by finding the main hose with all the wires inside, and then looking for the green (or black) largest harness, and the 12v should be the thickest gauge wire in it.

 
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thx a lot. that helped..now does anyone know what wire the ignition wire is?

 
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here's an overview to give you a better idea of the area.

 
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i think the black/yellow wire is the ignition wire...i remember a wire like that in my teg that i tapped and a wire wire was the 12v constant like XxSoVeReiGNxX said....any know for sure about the ignition wire?

 
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only place in my cars thats tapped is under the dash for my washr lights to have a switch

 
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i use the white/red stripe wire for my installs...its the ACC on wire

edit:

oh yeah...with your setup you want something on when the car is off..i think it would be easiest to use a relay...

www.12volt.com for more info

relays are really pretty nifty...you can do alot of things with them

 
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i have a varad LED scanner... I used the wires on my head unit. I used the 12v constant wire, the black ground, and I used the red wire that only comes on with the igntion, when the car is off, it has no power so its grounded... It worked great...

 
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hey thx a lot. i found the wire i needed, the Vehicle Wiring Database helped me out.

 
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so whats the wire? that way the rest of us can do this if we want.

 
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the wire is the ignition(black/yellow) wire under the dash. It becomes grounded when the car is off and un-grounded when the car is on. So my LED's will turn on soon as the car is off and turn the LED's will turn off once the car is started..no switches needed