How do you replace starter on a 2004 trailblazer?

To replace the starter on a 2004 Trailblazer, first disconnect the negative battery terminal to ensure safety. Then, locate the starter under the vehicle, remove any necessary components for access, and disconnect the electrical connections from the starter. Next, unbolt the starter from the engine and replace it with the new starter, reattaching the electrical connections and any components removed. Finally, reconnect the battery terminal and test the new starter.