Direct Wiring

I'm attempting to hardwire in my detector again. I ripped all the cords out of my old car awhile ago. The ground wire went with the old car. Can I solder a wire to one of the wires I stripped on the direct wire cord, to create a ground wire, and does it matter which color I do this too?

What I have is the Add-A-Circuit, a black/red wire connected, and the stripped end of the direct wire cord. In the direct wire I see a red, black, green, and yellow wire. What goes where?

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Originally Posted by Frenzy

I'm attempting to hardwire in my detector again. I ripped all the cords out of my old car awhile ago. The ground wire went with the old car. Can I solder a wire to one of the wires I stripped on the direct wire cord, to create a ground wire, and does it matter which color I do this too?

What I have is the Add-A-Circuit, a black/red wire connected, and the stripped end of the direct wire cord. In the direct wire I see a red, black, green, and yellow wire. What goes where?

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Red is POWER.
Green is EARTH.

Black and Yellow are DATA.

Connect RED to RED.
Connect GREEN to BLACK.

Damn, I had a feeling green was ground. To bad I just soldered red, yellow, and black together.

So it should just be red to red, and green to black. Yellow and black should be left alone?

I'm confused...where do I ground the circuit? If I solder green and black together, where does the ground go, I think I lost a wire somewhere when I ripped it out of my old car. I literally just ripped it all out after the accident.

I have this red and black wire which held together at the ends with a connector. I don't know if they are connected at the ends, I don't think it is.

I don't know why I'm making this such a difficult task, it's almost worth the $7 and not worry about it.