You found it!
2 seconds sound clip from the The Brave Little Toaster to the Rescue movie soundboard.
You can hear this line at 00:49:08.279 in the Blu-ray version of the movie.
Quote context
[...]
- Toaster, I know what you're trying to do.
- I know there's no hope for me. My time has run out.
- I won't have you give up, Wittgenstein. I won't have it.
- There's still a chance, but you gotta hold on.
- Why, I just know that any second now, Ratso and Radio are gonna come down that vent and...
- Ta-da!
- Wait a second, you pushy rat!
- I'm the one who told you what to look for in the first place. Give it here.
[...]