How do you replace door handle for 2004 GM 2500?

To replace the door handle on a 2004 GM 2500, first, remove the interior door panel by unscrewing any visible screws and gently prying it away from the door. Next, disconnect the linkage and wiring harness attached to the old handle. Remove the screws securing the handle to the door, then take out the old handle and replace it with the new one, securing it with screws. Finally, reconnect the linkage and wiring, and reattach the door panel.