Originally Posted by cronek
there's a thick brown wire in a connector to the right of these, it's the only wire in the connector so you can't miss it. That one carries a ground connection, I used it to wire my coyote and it works flawlessly.
I ended up just modifying my Invisicord and used the screw for the ground. Then I used a quick splice connector to get into the 12V switched source on the green/yellow wire. In my opinion it does not get any simpler or cleaner than that!