Yea thats what I did. Just be sure to scrape off the paint to get the best possible connection. I'm not sure how good it would be for some high powered applications, but for my 250 watt amp it works just fine.T3HKMAN said:Don't bother with all that. Fold your rear seats down, in the middle there is a t-bracket that holds the seats. Remove the seats and then remove the t-bracket, ground there, reinstall seats.