Roll shredded carrot and zucchini in paper towels to remove excess moisture. Then in a medium bowl, combine carrot and zucchini with next six ingredients, through vanilla.
In a separate bowl whisk together remaining dry ingredients (excluding pecan crumble topping). Stir dry ingredients in wet until just combined. Pour batter into buttered loaf pan.
Combine pecan crumble topping ingredients. Sprinkle on top of batter.
Bake for 50 - 55 minutes or until wooden pick inserted in center of bread comes out clean or with a few moist crumbs.